Form 8-K - Current report

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 22, 2024

DUKE ENERGY CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware

001-32853

20-2777218

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

525 South Tryon Street, Charlotte, North Carolina 28202-1803

(Address of Principal Executive Offices, including Zip Code)

(800) 488-3853

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Registrant	Title of each class:	Trading Symbol(s):	Name of each exchange on which registered:
Duke Energy Corporation	Common Stock, $0.001 par value	DUK	New York Stock Exchange LLC
Duke Energy Corporation	5.625% Junior Subordinated Debentures due September 15, 2078	DUKB	New York Stock Exchange LLC
Duke Energy Corporation	Depositary Shares, each representing a 1/1,000th interest in a share of 5.75% Series A Cumulative Redeemable Perpetual Preferred Stock, par value $0.001 per share	DUK PR A	New York Stock Exchange LLC

Duke Energy Corporation	3.10% Senior Notes due 2028	DUK 28A	New York Stock Exchange LLC

Duke Energy Corporation	3.85% Senior Notes due 2034	DUK34	New York Stock Exchange LLC

Duke Energy Corporation	3.75% Senior Notes due 2031	DUK 31A	New York Stock Exchange LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 8.01. Other Events.

On August 22, 2024, Duke Energy Corporation (the “Company”) consummated the issuance and sale of the securities described below pursuant to an underwriting agreement, dated August 19, 2024 (the “Underwriting Agreement”), with BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, RBC Capital Markets, LLC, Santander US Capital Markets LLC and Truist Securities, Inc., as representatives of the several underwriters named therein (the “Underwriters”), pursuant to which the Company agreed to issue and sell to the Underwriters $1,000,000,000 aggregate principal amount of the Company’s 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 (the “Securities”). The Securities were sold to the Underwriters at a discount to their principal amount. The Company intends to use the net proceeds from the offering of the Securities to redeem on September 16, 2024 the outstanding 1,000,000 shares of its 4.875% Series B Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Stock (the “Series B Preferred Stock”) and for general corporate purposes. On August 16, 2024, the Company issued a Notice of Redemption with respect to the redemption of the Series B Preferred Stock on September 16, 2024. This report shall not constitute a notice of redemption with respect to or an offer to tender for or purchase or sell (or the solicitation of an offer to tender for or purchase or sell) any securities. The Securities were issued pursuant to an Indenture, dated as of June 3, 2008 (the “Indenture”), by and between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”), as amended and supplemented by various supplemental indentures thereto, including the Thirty-fourth Supplemental Indenture, dated as of August 22, 2024 (the “Supplemental Indenture”), between the Company and the Trustee. The disclosure in this Item 8.01 is qualified in its entirety by the provisions of the Indenture, the Supplemental Indenture, together with the form of global debentures evidencing the Securities included therein, which is filed as Exhibit 4.1 hereto, and the Underwriting Agreement, which is filed as Exhibit 99.1 hereto. Such exhibits are incorporated herein by reference. Also, in connection with the issuance and sale of the Securities, the Company is filing a legal opinion regarding the validity of the Securities as Exhibit 5.1 to this Form 8-K and a legal opinion regarding certain tax matters as Exhibit 8.1 to this Form 8-K for the purpose of incorporating such opinions into the Company’s Registration Statement on Form S-3, No. 333-267583.

Item 9.01. Financial Statements and Exhibits.

(d)

Exhibits.

4.1	Thirty-fourth Supplemental Indenture, dated as of August 22, 2024, to the Indenture, dated as of June 3, 2008, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, and form of global debenture included therein

5.1	Opinion of Lindsay B. Schall regarding validity of the Securities

8.1	Opinion of Hunton Andrews Kurth LLP regarding certain tax matters

23.1	Consent of Lindsay B. Schall (included as part of Exhibit 5.1)

23.2	Consent of Hunton Andrews Kurth LLP (included as part of Exhibit 8.1)

99.1	Underwriting Agreement, dated August 19, 2024, among the Company and BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, RBC Capital Markets, LLC, Santander US Capital Markets LLC and Truist Securities, Inc., as representatives of the several underwriters named therein

104	Cover Page Interactive Data file (the Cover Page Interactive Data file is embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	DUKE ENERGY CORPORATION
Date: August 22, 2024
	By:	/s/ David S. Maltz
		Name:	David S. Maltz
		Title:	Vice President, Legal, Chief Governance Officer and Assistant Corporate Secretary

Exhibit 4.1

DUKE ENERGY CORPORATION

THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.

Trustee

Thirty-fourth Supplemental Indenture
Dated as of August 22, 2024

$1,000,000,000 6.45% FIXED-TO-FIXED RESET RATE JUNIOR SUBORDINATED
DEBENTURES DUE 2054

TABLE OF CONTENTS¹

ARTICLE I

6.45% FIXED-TO-FIXED RESET RATE JUNIOR SUBORDINATED DEBENTURES DUE 2054

Section 1.01.	Establishment	1
Section 1.02.	Definitions	2
Section 1.03.	Payment of Principal and Interest	5
Section 1.04.	Deferral of Interest Payments	6
Section 1.05.	Denominations	7
Section 1.06.	Global Securities	7
Section 1.07.	Optional Redemption	7
Section 1.08.	Payments of Interest	9
Section 1.09.	Subordination	9
Section 1.10.	Paying Agent and Security Registrar	9
Section 1.11.	Calculation Agent	9

ARTICLE II

COVENANT; EVENTS OF DEFAULT; AMENDMENTS

Section 2.01.	Dividend and Other Payment Stoppages	10
Section 2.02.	Events of Default	11
Section 2.03.	Conforming Amendments	12

ARTICLE III

MISCELLANEOUS PROVISIONS

Section 3.01.	Recitals by the Corporation	12
Section 3.02.	Ratification and Incorporation of Original Indenture	12
Section 3.03.	Tax Treatment	12
Section 3.04.	Instructions to Trustee	13
Section 3.05.	Executed in Counterparts; Electronic Signatures	13

Exhibit A – Form of 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debenture Due 2054

Exhibit B – Certificate of Authentication

¹This Table of Contents does not constitute part of the Indenture or have any bearing upon the interpretation of any of its terms and provisions.

THIS THIRTY-FOURTH SUPPLEMENTAL INDENTURE is made as of the 22^nd day of August, 2024, by and between DUKE ENERGY CORPORATION, a Delaware corporation, having its principal office at 525 South Tryon Street, Charlotte, North Carolina 28202-1803 (the “Corporation”), and The Bank of New York Mellon Trust Company, N.A. (formerly known as The Bank of New York Trust Company, N.A.), a national banking association, as Trustee (herein called the “Trustee”).

WITNESSETH:

WHEREAS, the Corporation has heretofore entered into an Indenture, dated as of June 3, 2008 (the “Original Indenture”), with The Bank of New York Mellon Trust Company, N.A., as Trustee;

WHEREAS, the Original Indenture is incorporated herein by this reference and the Original Indenture, as it may be amended and supplemented to the date hereof, including by this Thirty-fourth Supplemental Indenture, is herein called the “Indenture”;

WHEREAS, under the Indenture, a new series of Securities may at any time be established in accordance with the provisions of the Indenture and the terms of such series may be described by a supplemental indenture executed by the Corporation and the Trustee;

WHEREAS, the Corporation hereby proposes to create under the Indenture an additional series of Securities;

WHEREAS, additional Securities of other series hereafter established, except as may be limited in the Indenture as at the time supplemented and modified, may be issued from time to time pursuant to the Indenture as at the time supplemented and modified; and

WHEREAS, all conditions necessary to authorize the execution and delivery of this Thirty-fourth Supplemental Indenture and to make it a valid and binding obligation of the Corporation have been done or performed.

NOW, THEREFORE, in consideration of the agreements and obligations set forth herein and for other good and valuable consideration, the sufficiency of which is hereby acknowledged, the parties hereto hereby agree as follows:

ARTICLE I

6.45% FIXED-to-FIxed Reset Rate JUNIOR SUBORDINATED DEBENTURES DUE 2054

Section 1.01. Establishment. There is hereby established a new series of Securities to be issued under the Indenture, to be designated as the Corporation’s 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 (the “Debentures”).

There are to be authenticated and delivered initially $1,000,000,000 principal amount of the Debentures, and no further Debentures shall be authenticated and delivered except as provided by Section 304, 305, 306, 906 or 1106 of the Original Indenture and the last paragraph of Section 301 thereof. The Debentures shall be issued in fully registered form without coupons.

The Debentures shall be in substantially the form set out in Exhibit A hereto, and the form of the Trustee’s Certificate of Authentication for the Debentures shall be in substantially the form set forth in Exhibit B hereto.

Each Debenture shall be dated the date of authentication thereof and shall bear interest from the date of original issuance thereof or from the most recent Interest Payment Date to which interest has been paid or duly provided for.

Section 1.02. Definitions. The following defined terms used in this Article I shall, unless the context otherwise requires, have the meanings specified below for purposes of the Debentures. Capitalized terms used herein for which no definition is provided herein shall have the meanings set forth in the Original Indenture.

“Additional Interest” has the meaning set forth in Section 104.

“Business Day” means a day other than (i) a Saturday or Sunday, (ii) a day on which banks in New York, New York are authorized or obligated by law or executive order to remain closed or (iii) a day on which the Corporate Trust Office is closed for business.

“Calculation Agent” means the Corporation, an Affiliate of the Corporation selected by the Corporation, or any other firm appointed by the Corporation, in each case, in the Corporation’s sole discretion, acting as calculation agent in respect of the Debentures.

“Capital Stock” means (i) with respect to any Person organized as a corporation, any and all shares, interests, rights to purchase, warrants, options, participations or other equivalents of or interest in (however designated) corporate stock, and (ii) with respect to any Person that is not organized as a corporation, the partnership, membership or other equity interests or participations in such Person.

“First Reset Date” means September 1, 2034.

“Five-Year Treasury Rate” means, as of any Reset Interest Determination Date, (i) an interest rate (expressed as a decimal) determined to be the per annum rate equal to the arithmetic mean of the yields to maturity for U.S. Treasury securities adjusted to constant maturity with a maturity of five years from the next Interest Reset Date and trading in the public securities markets, for the five consecutive Business Days immediately prior to the respective Reset Interest Determination Date as published (or, if fewer than five consecutive Business Days are so published on the applicable Reset Interest Determination Date, for such number of Business Days published) in the most recent H.15, or (ii) if there is no such published U.S. Treasury security with a maturity of five years from the next Interest Reset Date and trading in the public securities markets, then the rate will be determined by interpolation between the arithmetic mean of the yields to maturity for each of the two series of U.S. Treasury securities adjusted to constant maturity trading in the public securities markets, (A) one maturing as close as possible to, but earlier than, the Interest Reset Date following the next succeeding Reset Interest Determination Date, and (B) the other maturing as close as possible to, but later than, the Interest Reset Date following the next succeeding Reset Interest Determination Date, in each case for the five consecutive Business Days immediately prior to the respective Reset Interest Determination Date as published in the most recent H.15. If the Five-Year Treasury Rate cannot be determined pursuant to the methods described in clause (i) or (ii) above, then the Five-Year Treasury Rate will be the same interest rate determined for the prior Reset Interest Determination Date or, if the Five-Year Treasury Rate cannot be so determined as of the Reset Interest Determination Date preceding the First Reset Date, then the interest rate applicable for the Interest Reset Period beginning on and including the First Reset Date will be deemed to be 6.45% per annum, which is the same interest rate as in effect from and including the original issue date to, but excluding, the First Reset Date.

“H.15” means the statistical release designated as such, or any successor publication as determined by the Calculation Agent in its sole discretion, published by the Board of Governors of the Federal Reserve System (or any successor thereto).

“Interest Payment Date” means March 1 and September 1 of each year, commencing on March 1, 2025.

“Interest Reset Date” means the First Reset Date and each date falling on the five-year anniversary of the preceding Interest Reset Date.

“Interest Reset Period” means the period from and including the First Reset Date to, but not including, the next following Interest Reset Date and thereafter each period from and including each Interest Reset Date to, but not including, the next following Interest Reset Date.

“most recent H.15” means the H.15 published closest in time but prior to the close of business on the second Business Day prior to the applicable Reset Interest Determination Date.

“Optional Deferral Period” has the meaning set forth in Section 1.04.

“Original Issue Date” means August 22, 2024.

“Rating Agency Event” means, as of any date, a change, clarification or amendment in the methodology published by any nationally recognized statistical rating organization within the meaning of Section 3(a)(62) of the Securities Exchange Act of 1934, as amended (or any successor provision thereto), that then publishes a rating for the Corporation (together with any successor thereto, a “rating agency”) in assigning equity credit to securities such as the Debentures, (a) as such methodology was in effect on August 19, 2024, in the case of any rating agency that published a rating for the Corporation as of August 19, 2024, or (b) as such methodology was in effect on the date such rating agency first published a rating for the Corporation, in the case of any rating agency that first publishes a rating for the Corporation after August 19, 2024 (in the case of either clause (a) or (b), the “current methodology”), that results in (i) any shortening of the length of time for which a particular level of equity credit pertaining to the Debentures by such rating agency would have been in effect had the current methodology not been changed or (ii) a lower equity credit (including up to a lesser amount) being assigned by such rating agency to the Debentures as of the date of such change, clarification or amendment than the equity credit that would have been assigned to the Debentures by such rating agency had the current methodology not been changed.

“Redemption Date,” when used with respect to any Debenture to be redeemed, means the date fixed for such redemption by or pursuant to this Thirty-fourth Supplemental Indenture.

“Regular Record Date” means, with respect to each Interest Payment Date, the close of business (i) on the Business Day immediately preceding such Interest Payment Date if any Debentures are issuable in the form of one or more Global Securities or (ii) on the 15th calendar day preceding such Interest Payment Date if no Debentures are issuable in the form of one or more Global Securities (whether or not a Business Day).

“Rights Plan” means a plan of the Corporation providing for the issuance by the Corporation to all Holders of its common stock of rights entitling the Holders thereof to subscribe for or purchase shares of its common stock or any class or series of preferred stock, which rights (i) are deemed to be transferred with such shares of common stock, (ii) are not exercisable and (iii) are also issued in respect of future issuances of its common stock, in each case until the occurrence of a specified event or events.

“Reset Interest Determination Date” means, in respect of any Interest Reset Period, the day falling two Business Days prior to the beginning of such Interest Reset Period.

“Special Record Date” means the Regular Record Date with respect to the Interest Payment Date at the end of (that is, on the day next succeeding the conclusion of) an Optional Deferral Period.

“Stated Maturity” means September 1, 2054.

“Subsidiary” means, at any time, any Person the shares of stock or other ownership interests of which ordinarily have voting power to elect a majority of the board of directors or other managers of such Person, are at the time owned or the management and policies of which are otherwise at the time controlled, directly or indirectly through one or more intermediaries (including other Subsidiaries) or both, by another Person.

“Tax Event” means receipt by the Corporation of an opinion of counsel experienced in such matters to the effect that, as a result of:

(a)

any amendment to, clarification of, or change, including any announced prospective change, in the laws or treaties of the United States or any of its political subdivisions or taxing authorities, or any regulations under those laws or treaties;

(b)

an administrative action, which means any judicial decision or any official administrative pronouncement, ruling, regulatory procedure, notice or announcement including any notice or announcement of intent to issue or adopt any administrative pronouncement, ruling, regulatory procedure or regulation;

(c)

any amendment to, clarification of, or change in the official position or the interpretation of any administrative action or judicial decision or any interpretation or pronouncement that provides for a position with respect to an administrative action or judicial decision that differs from the previously generally accepted position, in each case by any legislative body, court, governmental authority or regulatory body, regardless of the time or manner in which that amendment, clarification or change is introduced or made known; or

(d)

a threatened challenge asserted in writing in connection with a tax audit of the Corporation or an audit of any of the Subsidiaries of the Corporation, or a publicly-known threatened challenge asserted in writing against any other taxpayer that has raised capital through the issuance of securities that are substantially similar to the Debentures,

which amendment, clarification, or change is effective or the administrative action is taken or judicial decision, interpretation or pronouncement is issued or threatened challenge is asserted or becomes publicly known after August 19, 2024, there is more than an insubstantial risk that interest payable by the Corporation on the Debentures is not deductible, or within 90 days would not be deductible, in whole or in part, by the Corporation for United States federal income tax purposes.

Section 1.03. Payment of Principal and Interest. The principal of the Debentures shall be due at the Stated Maturity (unless earlier redeemed). Except as otherwise set forth in Section 1.04, the Debentures will bear interest (i) from and including the Original Issue Date to but excluding the First Reset Date at the rate of 6.45% per annum and (ii) from and including the First Reset Date, during each Interest Reset Period, at the rate equal to the Five-Year Treasury Rate as of the most recent Reset Interest Determination Date, plus a spread of 2.588% to be reset on each Interest Reset Date. Subject to Section 1.04 hereof, interest shall be paid semi-annually in arrears on each Interest Payment Date to the Person or Persons in whose name the Debentures are registered on the Regular Record Date for such Interest Payment Date; provided that interest payable at the Stated Maturity or on a Redemption Date as provided herein shall be paid to the Person to whom principal is payable. So long as an Optional Deferral Period is not occurring, any such interest that is not so punctually paid or duly provided for will forthwith cease to be payable to the Holders on such Regular Record Date and may either be paid to the Person or Persons in whose name the Debentures are registered at the close of business on a Special Record Date for the payment of such defaulted interest to be fixed by the Trustee, notice whereof shall be given to Holders of the Debentures not less than ten (10) days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange, if any, on which the Debentures shall be listed, and upon such notice as may be required by any such exchange, all as more fully provided in the Original Indenture.

Payments of interest on the Debentures shall include interest accrued to but excluding the respective Interest Payment Dates. Interest payments for the Debentures shall be computed and paid on the basis of a 360-day year consisting of twelve 30-day months. In the event that any date on which interest is payable on the Debentures is not a Business Day, then payment of the interest payable on such date shall be made on the next succeeding day that is a Business Day (and without any interest or payment in respect of any such delay) with the same force and effect as if made on the date the payment was originally payable.

Payment of principal of, premium, if any, and interest (including Additional Interest) on the Debentures shall be made in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. Payments of principal of, premium, if any, and interest (including Additional Interest) on Debentures represented by a Global Security shall be made by wire transfer of immediately available funds to the Holder of such Global Security. If any of the Debentures are no longer represented by a Global Security, (i) payments of principal, premium, if any, and interest (including Additional Interest) due at the Stated Maturity or earlier redemption of such Debentures shall be made at the office of the Paying Agent upon surrender of such Debentures to the Paying Agent and (ii) payments of interest shall be made, at the option of the Corporation, subject to such surrender where applicable, by (A) check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register or (B) wire transfer at such place and to such account at a banking institution in the United States as may be designated in writing to the Trustee at least sixteen (16) days prior to the date for payment by the Person entitled thereto.

Section 1.04. Deferral of Interest Payments. So long as no Event of Default with respect to the Debentures has occurred and is continuing, the Corporation shall have the right on one or more occasions, to defer payment of the current and accrued interest otherwise due on the Debentures by extending the interest payment period for up to ten (10) consecutive years (each period, commencing on the date that the first such interest payment would otherwise have been made, an “Optional Deferral Period”). A deferral of interest payments may not extend beyond the Stated Maturity or end on a day other than an Interest Payment Date. Any deferred interest on the Debentures will accrue additional interest at the rate then applicable to the Debentures from the applicable Interest Payment Date to the date of payment, compounded semi-annually (such deferred interest and additional interest accrued thereon, “Additional Interest”), to the extent permitted under applicable law. No interest shall be due and payable during an Optional Deferral Period until the end of an Optional Deferral Period, except upon a redemption of the Debentures during such Optional Deferral Period or unless the principal of and interest on the Debentures shall have been declared due and payable as the result of an Event of Default with respect to the Debentures (in which case all accrued and unpaid interest, including, to the extent permitted by law, Additional Interest).

So long as no Event of Default has occurred and is continuing, prior to the termination of any Optional Deferral Period, the Corporation may further defer the payment of interest by extending such Optional Deferral Period; provided that such Optional Deferral Period together with all such previous and further deferrals of interest payments shall not exceed ten (10) consecutive years at any one time or extend beyond the Stated Maturity. Upon the termination of any Optional Deferral Period, which shall be an Interest Payment Date, the Corporation shall pay all interest accrued and unpaid on the Debentures, including any Additional Interest, to the Person in whose name the Debentures are registered on the Regular Record Date for such Interest Payment Date, provided that interest accrued and unpaid on the Debentures, including any Additional Interest, payable at Stated Maturity or on any Redemption Date will be paid to the Person to whom principal is payable. Once the Corporation pays all interest accrued and unpaid on the Debentures, including any Additional Interest, it shall be entitled again to defer interest payments on the Debentures as described above.

The Corporation shall give the Trustee written notice of its election of an Optional Deferral Period or any shortening or extension thereof at least ten (10) and not more than sixty (60) Business Days before the earlier of (x) the next applicable Interest Payment Date, or (y) if the Debentures are then listed on any securities exchange, the date the Corporation is required to give notice of such Interest Payment Date or the relevant record date therefor to such securities exchange or other applicable self-regulatory organization.

If the Corporation shall fail to pay interest on the Debentures on any Interest Payment Date, the Corporation shall be deemed to have elected to defer payment of such interest for the interest payment period immediately preceding such Interest Payment Date, unless the Corporation shall pay such interest in full within five Business Days after any such Interest Payment Date.

Section 1.05. Denominations. The Debentures shall be issued in denominations of $2,000 or any integral multiple of $1,000 in excess thereof.

Section 1.06. Global Securities. The Debentures shall initially be issued in the form of one or more Global Securities registered in the name of the Depositary (which initially shall be The Depository Trust Company) or its nominee. Except under the limited circumstances described below, Debentures represented by such Global Security or Global Securities shall not be exchangeable for, and shall not otherwise be issuable as, Debentures in definitive form. The Global Securities described in this Article I may not be transferred except by the Depositary to a nominee of the Depositary or by a nominee of the Depositary to the Depositary or another nominee of the Depositary or to a successor Depositary or its nominee.

A Global Security representing the Debentures shall be exchangeable for Debentures registered in the names of persons other than the Depositary or its nominee only if (i) the Depositary notifies the Corporation that it is unwilling or unable to continue as a Depositary for such Global Security and no successor Depositary shall have been appointed by the Corporation within 90 days of receipt by the Corporation of such notification, or if at any time the Depositary ceases to be a clearing agency registered under the Exchange Act at a time when the Depositary is required to be so registered to act as such Depositary and no successor Depositary shall have been appointed by the Corporation within 90 days after it becomes aware of such cessation, (ii) an Event of Default has occurred and is continuing with respect to the Debentures and beneficial owners of a majority in aggregate principal amount of the Debentures represented by Global Securities advise the Depositary to cease acting as Depositary, or (iii) the Corporation in its sole discretion, and subject to the procedures of the Depositary, determines that such Global Security shall be so exchangeable. Any Global Security that is exchangeable pursuant to the preceding sentence shall be exchangeable for Debentures registered in such names as the Depositary shall direct.

Section 1.07. Optional Redemption. The Corporation may redeem some or all of the Debentures, at its option, in whole or in part (i) on any day in the period commencing on the date falling 90 days prior to the Interest Reset Date and ending on and including the Interest Reset Date and (ii) after the Interest Reset Date, on any interest payment date, at a redemption price in cash equal to 100% of the principal amount of the Debentures being redeemed plus, (subject to the provisions set forth in Section 1.08 regarding the payment of installments of interest on the Debentures that are due and payable on any Interest Payment Date falling on or prior to a Redemption Date), accrued and unpaid interest (including any Additional Interest) on the principal amount of the Debentures to be redeemed to, but excluding, such Redemption Date.

In addition, the Debentures may be redeemable, in whole but not in part, at the option of the Corporation, by a notice of redemption delivered by or on behalf of the Corporation pursuant to Section 1104 of the Original Indenture, following the occurrence and during the continuance of a Tax Event, at a redemption price in cash equal to 100% of the principal amount of such Debentures being redeemed plus, (subject to the provisions set forth in Section 1.08 regarding the payment of installments of interest on the Debentures that are due and payable on any Interest Payment Date falling on or prior to a Redemption Date), accrued and unpaid interest (including any Additional Interest) on the principal amount of the Debentures being redeemed to, but excluding, such Redemption Date.

In addition, the Debentures may be redeemable, in whole but not in part, at the option of the Corporation, by a notice of redemption delivered by or on behalf of the Corporation pursuant to Section 1104 of the Original Indenture, following the occurrence and during the continuance of a Rating Agency Event, at a redemption price in cash equal to 102% of the principal amount of such Debentures being redeemed plus, (subject to the provisions set forth in Section 1.08 regarding the payment of installments of interest on the Debentures that are due and payable on any Interest Payment Date falling on or prior to a Redemption Date), accrued and unpaid interest (including any Additional Interest) on the principal amount of the Debentures being redeemed to, but excluding, such Redemption Date.

Notice of any redemption by the Corporation will be mailed or electronically given (or, as long as the Debentures are represented by one or more Global Securities, transmitted in accordance with the Depositary’s standard procedures therefor) at least 10 days but not more than 60 days before any Redemption Date to each Holder of Debentures to be redeemed. Once notice of redemption is mailed, the Debentures called for redemption will become due and payable on the Redemption Date at the applicable redemption price, plus, subject to the terms described in Section 1.08 of this Thirty-fourth Supplemental Indenture, accrued and unpaid interest (including, to the extent permitted by applicable law, any Additional Interest) to, but excluding, the Redemption Date, and will be paid upon surrender thereof for redemption. If only part of a debenture is redeemed, the Trustee will issue in the name of the registered holder of the note and deliver to such holder a new debenture in a principal amount equal to the unredeemed portion of the principal of the note surrendered for redemption. If the Corporation elects to redeem all or a portion of the Debentures, the redemption will not be conditional upon receipt by the Paying Agent or the Trustee of monies sufficient to pay the redemption price.

If less than all of the Debentures are to be redeemed, the Trustee shall select the Debentures or portions of Debentures to be redeemed by lot, or in the case the Debentures are represented by one or more Global Securities, beneficial interests in such Debentures shall be selected for redemption by such other customary method proscribed by the Depositary. The Trustee may select for redemption Debentures and portions of Debentures in amounts of $2,000 or any integral multiple of $1,000 in excess thereof.

The Debentures shall not have a sinking fund.

Section 1.08. Payments of Interest. Notwithstanding any statement in Article I to the contrary, installments of interest on the Debentures that are due and payable on any interest payment date falling on or prior to a Redemption Date for the Debentures will be payable on that interest payment date to the Holders thereof as of the close of business on the relevant record date according to the terms of the Debentures and the Indenture, except that, if the Redemption Date for any Debentures falls on any day during an Optional Deferral Period, accrued and unpaid interest (including, to the extent permitted by applicable law, any compound interest) on such Debentures will be paid on such Redemption Date to the persons entitled to receive the redemption price of such Debentures. For the avoidance of doubt, the interest payment date falling immediately after the last day of an Optional Deferral Period shall not be deemed to fall on a day during such Optional Deferral Period.

Section 1.09. Subordination. The Debentures are designated as Subordinated Securities under the Indenture and the provisions of Article Fifteen of the Original Indenture shall apply to the Debentures, provided that, for the purposes of such Article Fifteen as it applies to the Debentures, (a) the term “Senior Indebtedness” will not include (i) any indebtedness which by its terms ranks equally with the Debentures in right of payment, including guarantees of such indebtedness, (ii) any indebtedness which by its terms is subordinated to the Debentures in right of payment, which shall rank junior in right of payment to the Debentures, (iii) any indebtedness owed by the Corporation to trade creditors incurred in connection with the purchase of goods, materials or services obtained in the ordinary course of business, which shall rank equally in right of payment with the Debentures, (iv) indebtedness owed by the Corporation to its Subsidiaries, which shall rank equally in right of payment with the Debentures or (v) indebtedness owed by the Corporation to its employees, which shall rank equally in right of payment with the Debentures, and (b) the first sentence of the second paragraph of Section 1502 of the Original Indenture shall not apply to the Debentures and the following shall apply to the Debentures as if included in the Original Indenture in lieu thereof:

“Subject to the payment in full, in money or money’s worth, of all Senior Indebtedness, the Holders of the Subordinated Securities (together with the holders of any indebtedness of the Corporation which is subordinate in right of payment to the payment in full of all Senior Indebtedness and which is not subordinate in right of payment to the Subordinated Securities) shall be subrogated to the rights of the holders of Senior Indebtedness to receive payments or distribution of assets or securities of the Corporation applicable to Senior Indebtedness until the principal of (and premium, if any) and interest on the Subordinated Securities shall be paid in full.”

Section 1.10. Paying Agent and Security Registrar. The Trustee shall initially serve as Paying Agent and Security Registrar with respect to the Debentures, with the Place of Payment initially being the Corporate Trust Office.

Section 1.11. Calculation Agent. Unless the Corporation has redeemed all of the outstanding Debentures as of the First Reset Date, the Corporation shall appoint the Calculation Agent prior to the Reset Interest Determination Date preceding the First Reset Date. The Corporation or any of its Affiliates may assume the duties of the Calculation Agent. The applicable interest rate for each Interest Reset Period will be determined by the Calculation Agent as of the applicable Reset Interest Determination Date. If the Corporation or one of its Affiliates is not the Calculation Agent, the Calculation Agent shall notify the Corporation of the interest rate for the relevant Interest Reset Period promptly upon such determination. The Corporation shall notify the Trustee of such interest rate, promptly upon making or being notified of such determination. The Calculation Agent’s determination of any interest rate and its calculation of the amount of interest for any Interest Reset Period beginning on or after the First Reset Date will be conclusive and binding absent manifest error, will be made in the Calculation Agent’s sole discretion and, notwithstanding anything to the contrary in the Indenture, will become effective without consent from any other person or entity. Such determination of any interest rate and calculation of the amount of interest shall be on file at the Corporation’s principal office and shall be made available to any Holder upon request.

In no event shall the Trustee be the Calculation Agent, nor shall it have any liability for any determination made by or on behalf of the Calculation Agent. In no event shall the Trustee be responsible for determining any substitute or successor base rate, the business day convention or the definition of “Business Day” and the Reset Interest Determination Date to be used and any other relevant methodology for calculating such substitute or successor base rate. In connection with the foregoing, the Trustee will be entitled to conclusively rely on any determinations made by the Calculation Agent and will have no liability for such actions taken at the direction of the Calculation Agent or the Corporation.

ARTICLE II

COVENANT; EVENTS OF DEFAULT; AMENDMENTS

Section 2.01. Dividend and Other Payment Stoppages. So long as any Debentures remain Outstanding, if the Corporation shall have given notice of its election to defer interest payments on the Debentures but the related Optional Deferral Period has not yet commenced or an Optional Deferral Period has commenced and is continuing, the Corporation shall not (subject to the exceptions set forth in the next succeeding paragraph):

(a)

declare or pay any dividends or distributions on the Capital Stock of the Corporation:

(b)

redeem, purchase, acquire or make a liquidation payment with respect to any Capital Stock of the Corporation;

(c)

pay any principal, interest (to the extent such interest is deferable) or premium on, or repay, repurchase or redeem any debt securities of the Corporation that are equal or junior in right of payment with the Debentures; or

(d)

make any payments with respect to any guarantee by the Corporation of debt securities if such guarantee is equal or junior in right of payment with the Debentures;

provided that, notwithstanding the foregoing, during an Optional Deferral Period, the Corporation may (i) declare and pay dividends or distributions payable solely in shares of common stock of the Corporation (together, for the avoidance of doubt, with cash in lieu of any fractional share) or options, warrants or rights to subscribe for or purchase shares of common stock of the Corporation; (ii) declare and pay any dividend in connection with the implementation of a Rights Plan, (iii) issue any of shares of Capital Stock of the Corporation under any Rights Plan or redeem or repurchase any rights distributed pursuant to a Rights Plan, (iv) reclassify the Capital Stock of the Corporation or exchange or convert one class or series of the Capital Stock of the Corporation for another class or series of the Capital Stock of the Corporation, (v) purchase fractional interests in shares of the Capital Stock of the Corporation pursuant to the conversion or exchange provisions of such Capital Stock or the security being converted or exchanged, (vi) purchase common stock of the Corporation related to the issuance of such common stock or rights under any dividend reinvestment plan of the Corporation or any benefit plan of the Corporation for the directors, officers, employees, consultants or advisors of the Corporation, and (vii) settle conversion of any convertible notes or debentures that rank equally with the Debentures.

Section 2.02. Events of Default. Solely for purposes of the Debentures, Section 501 of the Original Indenture shall be deleted and replaced by the following:

“Event of Default,” wherever used herein with respect to the Debentures, means any one of the following events (whatever the reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or order of any court or any order, rule or regulation of any administrative or governmental body):

(1) default in the payment of any interest (including any compound interest) upon any Debenture when it becomes due and payable, and continuance of such default for a period of 60 days, other than during an Optional Deferral Period; or

(2) default in the payment of the principal of or any premium on any Debenture when due; or

(3) the entry by a court having jurisdiction in the premises of (A) a decree or order for relief in respect of the Corporation in an involuntary case or proceeding under any applicable federal or state bankruptcy, insolvency, reorganization or other similar law or (B) a decree or order adjudging the Corporation a bankrupt or insolvent, or approving as properly filed a petition seeking reorganization, arrangement, adjustment or composition of or in respect of the Corporation under any applicable federal or state law, or appointing a custodian, receiver, liquidator, assignee, Trustee, sequestrator or other similar official of the Corporation or of any substantial part of its property, or ordering the winding-up or liquidation of its affairs, and the continuance of any such decree or order for relief or any such other decree or order unstayed and in effect for a period of 90 consecutive days; or

(4) the commencement by the Corporation of a voluntary case or proceeding under any applicable federal or state bankruptcy, insolvency, reorganization or other similar law or of any other case or proceeding to be adjudicated a bankrupt or insolvent, or the consent by it to the entry of a decree or order for relief in respect of the Corporation in an involuntary case or proceeding under any applicable federal or state bankruptcy, insolvency, reorganization or other similar law or to the commencement of any bankruptcy or insolvency case or proceeding against it, or the filing by it of a petition or answer or consent seeking reorganization or relief under any applicable federal or state law, or the consent by it to the filing of such petition or to the appointment of or taking possession by a custodian, receiver, liquidator, assignee, Trustee, sequestrator or other similar official of the Corporation or of any substantial part of its property, or the making by it of an assignment for the benefit of creditors, or the admission by it in writing of its inability to pay its debts generally as they become due, or the authorization of any such action by the Board of Directors.

The Trustee shall have no right or obligation under the Indenture or otherwise to exercise any remedies on behalf of the Holders of the Debentures pursuant to the Indenture in connection with any failure by the Corporation to comply with any covenant thereunder, which failure does not constitute, or with the giving of notice or passage of time would not constitute, an Event of Default hereunder.

Section 2.03. Conforming Amendments. In addition to those supplemental indentures permitted under Section 901 of the Original Indenture, without the consent of any Holders, the Corporation, when authorized by a Board Resolution, and the Trustee, as requested in an Officers’ Certificate, at any time and from time to time, may enter into one or more indentures supplemental to the Original Indenture, each in a form reasonably satisfactory to the Trustee, to modify and amend this Thirty-fourth Supplemental Indenture, and any instruments evidencing the Debentures, if such modification or amendment only conforms the terms of this Thirty-fourth Supplemental Indenture or such instruments to the terms thereof as contained in the prospectus supplement of the Corporation, and the accompanying prospectus, with respect to the offering of the Debentures, filed with the Securities and Exchange Commission on August 20, 2024.

ARTICLE III
MISCELLANEOUS PROVISIONS

Section 3.01. Recitals by the Corporation. The recitals in this Thirty-fourth Supplemental Indenture are made by the Corporation only and not by the Trustee, and all of the provisions contained in the Original Indenture in respect of the rights, privileges, immunities, powers and duties of the Trustee shall be applicable in respect of the Debentures and this Thirty-fourth Supplemental Indenture as fully and with like effect as if set forth herein in full.

Section 3.02. Ratification and Incorporation of Original Indenture. As supplemented hereby, the Original Indenture is in all respects ratified and confirmed, and the Original Indenture and this Thirty-fourth Supplemental Indenture shall be read, taken and construed as one and the same instrument.

Section 3.03. Tax Treatment. The Corporation agrees, and by acceptance of a Debenture or a beneficial interest in a Debenture each Holder of a Debenture and any Person acquiring a beneficial interest in a Debenture agrees, to treat the Debentures as indebtedness for United States federal, state and local income tax purposes.

Section 3.04. Instructions to Trustee. The Trustee shall have the right to accept and act upon instructions, including funds transfer instructions (“Instructions”) given pursuant to this Thirty-fourth Supplemental Indenture and delivered using Electronic Means; provided, however, that the Corporation shall provide to the Trustee an incumbency certificate listing officers with the authority to provide such Instructions (“Authorized Officers”) and containing specimen signatures of such Authorized Officers, which incumbency certificate shall be amended by the Corporation whenever a person is to be added or deleted from the listing. If the Corporation elects to give the Trustee Instructions using Electronic Means and the Trustee in its discretion elects to act upon such Instructions, the Trustee’s understanding of such Instructions shall be deemed controlling. The Corporation understands and agrees that the Trustee cannot determine the identity of the actual sender of such Instructions and that the Trustee shall conclusively presume that directions that purport to have been sent by an Authorized Officer listed on the incumbency certificate provided to the Trustee have been sent by such Authorized Officer. The Corporation shall be responsible for ensuring that only Authorized Officers transmit such Instructions to the Corporate Trustee and that the Corporation and all Authorized Officers are solely responsible to safeguard the use and confidentiality of applicable user and authorization codes, passwords and/or authentication keys upon receipt by the Corporation. The Trustee shall not be liable for any losses, costs or expenses arising directly or indirectly from the Trustee’s good faith reliance upon and compliance with such Instructions notwithstanding such directions conflict or are inconsistent with a subsequent written instruction. The Corporation agrees: (i) to assume all risks arising out of the use of Electronic Means to submit Instructions to the Trustee, including without limitation the risk of the Trustee acting on unauthorized Instructions, and the risk of interception and misuse by third parties; (ii) that it is fully informed of the protections and risks associated with the various methods of transmitting Instructions to the Trustee and that there may be more secure methods of transmitting Instructions than the method(s) selected by the Corporation; (iii) that the security procedures (if any) to be followed in connection with its transmission of Instructions provide to it a commercially reasonable degree of protection in light of its particular needs and circumstances; and (iv) to notify the Trustee as soon as reasonably practicable upon learning of any compromise or unauthorized use of the security procedures. “Electronic Means” shall mean the following communications methods: e-mail, facsimile trans-mission, secure electronic transmission containing applicable authorization codes, passwords and/or authentication keys issued by the Trustee, or another method or system specified by the Trustee as available for use in connection with its services hereunder.

Section 3.05. Executed in Counterparts; Electronic Signatures. This Thirty-fourth Supplemental Indenture may be executed in several counterparts, each of which shall be deemed to be an original, and such counterparts shall together constitute but one and the same instrument. The words “execution,” signed,” signature,” and words of like import in the Indenture shall include images of manually executed signatures transmitted by facsimile, email or other electronic format (including, without limitation, “pdf,” “tif” or “jpg”) and other electronic signatures (including without limitation, DocuSign and AdobeSign). The use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated, sent, communicated, received, or stored by Electronic Means) shall be of the same legal effect, validity and enforceability as a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act and any other applicable law, including, without limitation, any state law based on the Uniform Electronic Transactions Act or the Uniform Commercial Code. Without limitation to the foregoing, and anything in the Original Indenture to the contrary notwithstanding, (a) any Officers’ Certificate, Company Order, Opinion of Counsel, Security, certificate of authentication appearing on or attached to any Security, supplemental indenture or other certificate, opinion of counsel, instrument, agreement or other document delivered pursuant to the Indenture may be executed, attested and transmitted by any of the foregoing Electronic Means and formats, (b) all references in Section 303 or elsewhere in the Original Indenture to the execution, attestation or authentication of any Security or any certificate of authentication appearing on or attached to any Security by means of a manual or facsimile signature shall be deemed to include signatures that are made or transmitted by any of the foregoing Electronic Means or formats, and (c) any requirement in Section 303 or elsewhere in the Original Indenture that any signature be made under a corporate seal (or facsimile thereof) shall not be applicable to the Securities of such series.

IN WITNESS WHEREOF, each party hereto has caused this instrument to be signed in its name and behalf by its duly authorized officer, all as of the day and year first above written.

	Duke Energy Corporation

	By:	/s/ Chris R. Bauer
	Name:	Chris R. Bauer
	Title:	Assistant Treasurer

	The Bank of New York Mellon Trust Company, N.A., as Trustee

	By:	/s/ Ann M. Dolezal
	Name:	Ann M. Dolezal
	Title:	Vice President

[Signature Page to Thirty-fourth Supplemental Indenture]

EXHIBIT A

FORM OF

6.45% FIXED-TO-FIXED RESET RATE Junior Subordinated Debenture DUE
2054

No.	CUSIP No. 26441C CG8

DUKE ENERGY CORPORATION

6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debenture DUE
2054

Principal Amount: $

Regular Record Date: [Close of business on the business day immediately preceding such Interest Payment Date so long as all of the Securities (as defined herein) of this series remain in book-entry only form] [Close of business on the 15th calendar day next preceding such Interest Payment Date (whether or not a Business Day) if any of the Securities of this series do not remain in book-entry only form]

Original Issue Date: August 22, 2024

Stated Maturity: September 1, 2054

Interest Payment Dates: Semi-annually on March 1 and September 1 of each year, commencing on March 1, 2025

Interest Rate: (i) From and including the Original Issue Date to but excluding the First Reset Date at the rate of 6.45% per annum and (ii) from and including the First Reset Date, during each Interest Reset Period, at the rate equal to the Five-Year Treasury Rate as of the most recent Reset Interest Determination Date, plus a spread of 2.588% per annum to be reset on each Interest Reset Date.

Authorized Denomination: $2,000 or any integral multiple of $1,000 in excess thereof

Duke Energy Corporation, a Delaware corporation (the “Corporation”, which term includes any successor corporation under the Indenture referred to on the reverse hereof), for value received, hereby promises to pay to , or registered assigns, the principal sum of DOLLARS ($ ) on the Stated Maturity shown above and to pay interest thereon from the Original Issue Date shown above, or from the most recent Interest Payment Date to which interest has been paid or duly provided for, subject to the following paragraph, semi-annually in arrears on each Interest Payment Date as specified above, commencing on August 22, 2024 and on the Stated Maturity at the rate per annum shown above until the principal hereof is paid or made available for payment and at such rate on any overdue principal and on any overdue installment of interest (other than interest the payment of which is deferred pursuant to the following paragraph, which shall be payable at the rate set forth in such paragraph). The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date (other than an Interest Payment Date that is the Stated Maturity or a Redemption Date) will, as provided in the Indenture, be paid to the Person in whose name this 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debenture due 2054 (this “Security”) is registered on the Regular Record Date as specified above next preceding such Interest Payment Date; provided that any interest payable at Stated Maturity or on a Redemption Date will be paid to the Person to whom principal is payable. Except as otherwise provided in the Indenture, any such interest not so punctually paid or duly provided for (other than interest the payment of which is deferred pursuant to the following paragraph) will forthwith cease to be payable to the Holder on such Regular Record Date and may either be paid to the Person in whose name this Security is registered at the close of business on a Special Record Date (as defined below) for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be given to Holders of Securities of this series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange, if any, on which the Securities of this series shall be listed, and upon such notice as may be required by any such exchange, all as more fully provided in the Indenture.

A-1

“First Reset Date” means September 1, 2034.

A-2

“Interest Reset Date” means the First Reset Date and each date falling on the five-year anniversary of the preceding Interest Reset Date.

“most recent H.15” means the H.15 published closest in time but prior to the close of business on the second Business Day prior to the applicable Reset Interest Determination Date.

“Reset Interest Determination Date” means, in respect of any Interest Reset Period, the day falling two Business Days prior to the beginning of such Interest Reset Period.

So long as no Event of Default with respect to the Securities of this series has occurred and is continuing, the Corporation shall have the right on one or more occasions, to defer payment of the current and accrued interest otherwise due on this Security by extending the interest payment period for up to 10 consecutive years (each period, commencing on the date that the first such interest payment would otherwise have been made, an “Optional Deferral Period”). A deferral of interest payments may not extend beyond the Stated Maturity or end on a day other than an Interest Payment Date. As provided in the Indenture, Additional Interest on this Security will accrue to the extent permitted by law. No interest shall be due and payable during an Optional Deferral Period, except at the end of such Optional Deferral Period or upon a redemption of this Security during such Optional Deferral Period or unless the principal of and interest on the Securities of this series shall have been declared due and payable as the result of an event of default with respect to the Securities of this series (in which case all accrued and unpaid interest, including, to the extent permitted by law, Additional Interest).

So long as no Event of Default shall have occurred and be continuing, prior to the termination of any Optional Deferral Period, the Corporation may further defer the payment of interest by extending such Optional Deferral Period; provided that such Optional Deferral Period together with all such previous and further deferrals of interest payments shall not exceed 10 consecutive years at any one time or extend beyond the Stated Maturity. Upon the termination of any Optional Deferral Period, which shall be an Interest Payment Date, the Corporation shall pay all interest accrued and unpaid on this Security, including any Additional Interest, to the Person in whose name this Security is registered on the Regular Record Date for such Interest Payment Date, provided that interest accrued and unpaid on this Security, including any Additional Interest, payable at Stated Maturity or on any Redemption Date will be paid to the Person to whom principal is payable. Once the Corporation pays all interest accrued and unpaid on this Security, including any Additional Interest, it shall be entitled again to defer interest payments on this Security as described above.

A-3

If the Corporation shall fail to pay interest on this Security on any Interest Payment Date, the Corporation shall be deemed to have elected to defer payment of such interest for the interest payment period immediately preceding such Interest Payment Date, unless the Corporation shall pay such interest in full within five Business Days after any such Interest Payment Date.

Payments of interest (including Additional Interest) on this Security will include interest accrued to but excluding the respective Interest Payment Dates. Interest payments for this Security shall be computed and paid on the basis of a 360-day year consisting of twelve 30-day months and will accrue from August 22, 2024 or from the most recent Interest Payment Date to which interest has been paid or duly provided for. In the event that any date on which interest is payable on this Security is not a Business Day, then payment of the interest payable on such date will be made on the next succeeding day that is a Business Day (and without any interest or payment in respect of any such delay) with the same force and effect as if made on the date the payment was originally payable. “Business Day” means a day other than (i) a Saturday or Sunday, (ii) a day on which banks in New York, New York are authorized or obligated by law or executive order to remain closed or (iii) a day on which the Corporate Trust Office is closed for business.

Payment of principal of, premium, if any, and interest (including Additional Interest) on the Securities of this series shall be made in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. Payments of principal of, premium, if any, and interest (including Additional Interest) on the Securities of this series represented by a Global Security shall be made by wire transfer of immediately available funds to the Holder of such Global Security. If any of the Securities of this series are no longer represented by a Global Security, (i) payments of principal, premium, if any, and interest (including Additional Interest) due at the Stated Maturity or earlier redemption of such Securities shall be made at the office of the Paying Agent upon surrender of such Securities to the Paying Agent, and (ii) payments of interest shall be made, at the option of the Corporation, subject to such surrender where applicable, by (A) check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register or (B) wire transfer at such place and to such account at a banking institution in the United States as may be designated in writing to the Trustee at least 16 days prior to the date for payment by the Person entitled thereto.

The Corporation may redeem some or all of the Securities of this series, at its option, in whole or in part (i) on any day in the period commencing on the date falling 90 days prior to the Interest Reset Date and ending on and including the Interest Reset Date and (ii) after the Interest Reset Date, on any interest payment date, at a redemption price in cash equal to 100% of the principal amount of the Securities of this series being redeemed plus, (subject to the terms described below), accrued and unpaid interest (including any Additional Interest) on the principal amount of the Debentures to be redeemed to, but excluding, such Redemption Date.

A-4

“Tax Event” means receipt by the Corporation of an opinion of counsel experienced in such matters to the effect that, as a result of:

(a)

(b)

(c)

(d)

a threatened challenge asserted in writing in connection with an audit of the Corporation or an audit of any of the Subsidiaries of the Corporation, or a publicly-known threatened challenge asserted in writing against any other taxpayer that has raised capital through the issuance of securities that are substantially similar to the Securities of this series,

which amendment, clarification, or change is effective or the administrative action is taken or judicial decision, interpretation or pronouncement is issued or threatened challenge is asserted or becomes publicly known after August 19, 2024, there is more than an insubstantial risk that interest payable by the Corporation on the Securities of this series is not deductible, or within 90 days would not be deductible, in whole or in part, by the Corporation for United States federal income tax purposes.

In addition, the Securities of this series may be redeemable, in whole but not in part, at the option of the Corporation, by a notice of redemption delivered by or on behalf of the Corporation pursuant to Section 1104 of the Original Indenture, following the occurrence and during the continuance of a Rating Agency Event (as defined below), at a redemption price equal to 102% of the principal amount of such Securities of this series being redeemed plus accrued and unpaid interest (including, to the extent permitted by applicable law, any Additional Interest) to, but excluding, such Redemption Date. “Rating Agency Event” means, as of any date, a change, clarification or amendment in the methodology published by any nationally recognized statistical rating organization within the meaning of Section 3(a)(62) of the Securities Exchange Act of 1934, as amended (or any successor provision thereto), that then publishes a rating for the Corporation (together with any successor thereto, a “rating agency”) in assigning equity credit to securities such as the Securities of this series, (a) as such methodology was in effect on the date of this prospectus supplement, in the case of any rating agency that published a rating for the Corporation as of the date of this prospectus supplement, or (b) as such methodology was in effect on the date such rating agency first published a rating for the Corporation, in the case of any rating agency that first publishes a rating for the Corporation after the date of this prospectus supplement (in the case of either clause (a) or (b), the “current methodology”), that results in (i) any shortening of the length of time for which a particular level of equity credit pertaining to Securities of this series by such rating agency would have been in effect had the current methodology not been changed or (ii) a lower equity credit (including up to a lesser amount) being assigned by such rating agency to Securities of this series as of the date of such change, clarification or amendment than the equity credit that would have been assigned to Securities of this series by such rating agency had the current methodology not been changed.

A-5

Notwithstanding any statement to the contrary, installments of interest on the Securities of this series that are due and payable on any interest payment date falling on or prior to a Redemption Date for the Securities of this series will be payable on that interest payment date to the registered Holders thereof as of the close of business on the relevant record date according to the terms of the Securities of this series and the indenture, except that, if the Redemption Date for any Securities of this series falls on any day during an Optional Deferral Period, accrued and unpaid interest (including, to the extent permitted by applicable law, any Additional Interest) on such Securities of this series will be paid on such Redemption Date to the persons entitled to receive the redemption price of such Securities of this series . For the avoidance of doubt, the interest payment date falling immediately after the last day of an Optional Deferral Period shall not be deemed to fall on a day during such Optional Deferral Period.

Notice of any redemption will be mailed or electronically delivered (or otherwise transmitted in accordance with the depositary’s procedures) at least 10 days but not more than 60 days before the Redemption Date to each holder of Securities of this series to be redeemed. Once notice of redemption is mailed, the Securities of this series called for redemption will become due and payable on the Redemption Date at the applicable redemption price, plus, subject to the terms described in the immediately preceding paragraph, accrued and unpaid interest (including, to the extent permitted by applicable law, any Additional Interest) to, but excluding, the Redemption Date, and will be paid upon surrender thereof for redemption. If only part of a Debenture is redeemed, the Trustee will issue in the name of the registered holder of the Debenture and deliver to such holder a new Debenture in a principal amount equal to the unredeemed portion of the principal of the Debenture surrendered for redemption. If the Corporation elects to redeem all or a portion of the Securities of this series , then the redemption will not be conditional upon receipt by the Paying Agent or the Trustee of monies sufficient to pay the redemption price.

Unless the Corporation defaults in payment of the redemption price, on and after the Redemption Date interest will cease to accrue on the Securities of this series or portions thereof called for redemption.

The Corporation’s actions and determinations in determining the redemption price shall be conclusive and binding for all purposes, absent manifest error.

The Trustee shall have no duty to determine, or verify the calculation of, the redemption price.

A-6

If the Corporation redeems less than all of the Securities of this series on any Redemption Date, the Trustee will select the Securities of this series to be redeemed by lot or, in the case of Securities of this series in book-entry form represented by one or more Global Securities of this series, by such other customary method proscribed by the depositary.

In the event of redemption of this Security in part only, a new Security or Securities of this series and of like tenor for the unredeemed portion hereof will be issued in the name of the Holder hereof upon the surrender hereof.

The Securities of this series shall not have a sinking fund.

The Securities of this series shall constitute Subordinated Securities under the Indenture and shall be subject to the subordination provisions set forth in the Indenture.

REFERENCE IS HEREBY MADE TO THE FURTHER PROVISIONS OF THIS SECURITY SET FORTH ON THE REVERSE HEREOF, WHICH FURTHER PROVISIONS SHALL FOR ALL PURPOSES HAVE THE SAME EFFECT AS IF SET FORTH AT THIS PLACE.

Unless the certificate of authentication hereon has been executed by the Trustee by manual signature, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose.

A-7

IN WITNESS WHEREOF, the Corporation has caused this instrument to be duly executed as of August 22, 2024.

	Duke Energy Corporation

	By:
	Name:
	Title:

A-8

CERTIFICATE OF AUTHENTICATION

This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture.

Dated: August 22, 2024	The Bank of New York Mellon Trust Company, N.A., as Trustee

	By:
	Authorized Signatory

A-9

(Reverse Side of Security)

This 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debenture due 2054 is one of a duly authorized issue of Securities of the Corporation (the “Securities”), issued and issuable in one or more series under an Indenture, dated as of June 3, 2008 (the “Original Indenture”), as supplemented including by the Thirty-fourth supplemental dated August 22, 2024 (the “Supplemental Indenture”) (as supplemented, the “Indenture”), between the Corporation and The Bank of New York Mellon Trust Company, N.A. (formerly known as The Bank of New York Trust Company, N.A.), as Trustee (the “Trustee,” which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto reference is hereby made for a statement of the respective rights, limitation of rights, duties and immunities thereunder of the Corporation, the Trustee and the Holders of the Securities issued thereunder and of the terms upon which said Securities are, and are to be, authenticated and delivered. This Security is one of the series designated on the face hereof as 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 initially in the aggregate principal amount of $1,000,000,000. Capitalized terms used herein for which no definition is provided herein shall have the meanings set forth in the Indenture.

If an Event of Default with respect to the Securities of this series shall occur and be continuing, the principal of the Securities of this series may be declared due and payable in the manner, with the effect and subject to the conditions provided in the Indenture.

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations of the Corporation and the rights of the Holders of the Securities of all series affected under the Indenture at any time by the Corporation and the Trustee with the consent of the Holders of not less than a majority in principal amount of the Outstanding Securities of all series affected thereby (voting as one class). The Indenture contains provisions permitting the Holders of not less than a majority in principal amount of the Outstanding Securities of all series with respect to which a default under the Indenture shall have occurred and be continuing (voting as one class), on behalf of the Holders of the Securities of all such series, to waive, with certain exceptions, such default under the Indenture and its consequences. The Indenture also permits the Holders of not less than a majority in principal amount of the Securities of each series at the time Outstanding, on behalf of the Holders of all Securities of such series, to waive compliance by the Corporation with certain provisions of the Indenture affecting such series. Any such consent or waiver by the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange hereof or in lieu hereof, whether or not notation of such consent or waiver is made upon this Security.

No reference herein to the Indenture and no provision of this Security or of the Indenture shall alter or impair the obligation of the Corporation, which is absolute and unconditional, to pay the principal of and interest on this Security at the times, place and rate, and in the coin or currency, herein prescribed.

A-10

As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable in the Security Register, upon surrender of this Security for registration of transfer at the office or agency of the Corporation for such purpose, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Corporation and the Security Registrar and duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Securities of this series, of authorized denominations and of like tenor and for the same aggregate principal amount, will be issued to the designated transferee or transferees. No service charge shall be made for any such registration of transfer or exchange, but the Corporation may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith.

The Indenture contains provisions for defeasance at any time of the entire indebtedness of the Securities of this series and for covenant defeasance at any time of certain covenants in the Indenture upon compliance with certain conditions set forth in the Indenture.

Prior to due presentment of this Security for registration of transfer, the Corporation, the Trustee and any agent of the Corporation or the Trustee may treat the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not this Security be overdue, and neither the Corporation, the Trustee nor any such agent shall be affected by notice to the contrary.

The Securities of this series are issuable only in registered form without coupons in denominations of $2,000 or any integral multiple of $1,000 in excess thereof. As provided in the Indenture and subject to the limitations therein set forth, Securities of this series are exchangeable for a like aggregate principal amount of Securities of this series of a different authorized denomination, as requested by the Holder surrendering the same upon surrender of the Security or Securities to be exchanged at the office or agency of the Corporation.

This Security shall be governed by, and construed in accordance with, the laws of the State of New York.

A-11

ABBREVIATIONS

The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations:

TEN COM — as tenants in common	UNIF GIFT MIN ACT - ______Custodian ______
	(Cust)   (Minor)
TEN ENT — as tenants by the entireties

JT TEN — as joint tenants with rights of survivorship and not as tenants in common		under Uniform Gifts to Minors Act

		(State)

Additional abbreviations may also be used though not on the above list.

FOR VALUE RECEIVED, the undersigned hereby sell(s) and transfer(s) unto (please insert Social Security or other identifying number of assignee)

PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE OF ASSIGNEE

the within Security and all rights thereunder, hereby irrevocably constituting and appointing agent to transfer said Security on the books of the Corporation, with full power of substitution in the premises.

Dated:
			NOTICE: The signature to this assignment must correspond with the name as written upon the face of the within instrument in every particular without alteration or enlargement, or any change whatever.

		Signature
		Guarantee:

A-12

SIGNATURE GUARANTEE

Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the Security Registrar, which requirements include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Security Registrar in addition to, or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended.

A-13

EXHIBIT B

CERTIFICATE OF AUTHENTICATION

This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture.

Dated: August 22, 2024	The Bank of New York Mellon Trust Company, N.A., as Trustee

	By:
	Authorized Signatory

B-1

Exhibit 5.1

DUKE ENERGY BUSINESS SERVICES LLC

525 South Tryon Street
Charlotte, North Carolina 28202-1803

August 22, 2024

Duke Energy Corporation

525 South Tryon Street

Charlotte, North Carolina 28202-1803

Re:

Duke Energy Corporation $1,000,000,000 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054

To the Addressee:

I am Deputy General Counsel of Duke Energy Business Services LLC, the service company subsidiary of Duke Energy Corporation, a Delaware corporation (the “Company”), and in such capacity I have acted as counsel to the Company in connection with the public offering of $1,000,000,000 aggregate principal amount of the Company’s 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 (the “Securities”).  The Securities are being issued pursuant to an Indenture, dated as of June 3, 2008 (the “Original Indenture”), by and between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”), as amended and supplemented by various supplemental indentures thereto, including the Thirty-fourth Supplemental Indenture, dated as of August 22, 2024 (the “Supplemental Indenture”), between the Company and the Trustee (the Original Indenture, as amended and supplemented, being referred to as the “Indenture”).  On August 19, 2024, the Company entered into an Underwriting Agreement (the “Underwriting Agreement”) with BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, RBC Capital Markets, LLC, Santander US Capital Markets LLC and Truist Securities, Inc., as representatives of the several underwriters named therein (the “Underwriters”), relating to the sale by the Company to the Underwriters of the Securities.

This opinion letter is being delivered in accordance with the requirements of Item 601(b)(5) of Regulation S-K under the Securities Act of 1933, as amended (the “Securities Act”).

I am a member of the bar of the State of North Carolina and my opinions set forth herein are limited to Delaware corporate law and the laws of the State of New York and the federal laws of the United States that, in my experience, are normally applicable to transactions of the type contemplated above and, to the extent that judicial or regulatory orders or decrees or consents, approvals, licenses, authorizations, validations, filings, recordings or registrations with governmental authorities are relevant, to those required under such laws (all of the foregoing being referred to as “Opined on Law”).  I do not express any opinion with respect to the law of any jurisdiction other than Opined on Law or as to the effect of any such non-opined law on the opinions herein stated.  This opinion letter is limited to the laws, including the rules and regulations, as in effect on the date hereof, which laws are subject to change with possible retroactive effect.

In rendering the opinions set forth herein, I or attorneys under my supervision (with whom I have consulted) have examined and are familiar with originals or copies, certified or otherwise identified to our satisfaction, of:

(a)            the registration statement on Form S-3 (File No. 333-267583) of the Company relating to the Securities and other securities of the Company filed on September 23, 2022 with the Securities and Exchange Commission (the “Commission”) under the Securities Act, allowing for delayed offerings pursuant to Rule 415 under the Securities Act and the information deemed to be a part of such registration statement as of the date hereof pursuant to Rule 430B of the General Rules and Regulations under the Securities Act (the “Rules and Regulations”) (such registration statement, effective upon filing with the Commission on September 23, 2022 pursuant to Rule 462(e) of the Rules and Regulations, being hereinafter referred to as the “Registration Statement”);

(b)           the prospectus, dated September 23, 2022 (the “Base Prospectus”) relating to the offering of securities of the Company, which forms a part of and is included in the Registration Statement in the form filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations;

(c)           the preliminary prospectus supplement, dated August 19, 2024, and the Base Prospectus, relating to the offering of the Securities in the form filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations;

(d)           the prospectus supplement, dated August 19, 2024, and the Base Prospectus, relating to the offering of the Securities in the form filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations;

(e)           the Amended and Restated Certificate of Incorporation of the Company, effective as of May 19, 2014 and as amended on September 11, 2019, as certified by the Secretary of State of the State of Delaware;

(f)            the Amended and Restated By-laws of the Company, effective as of May 9, 2024;

(g)           an executed copy of the Original Indenture;

(h)           an executed copy of the Supplemental Indenture;

(i)            an executed copy of the Underwriting Agreement;

(j)            the certificates representing the Securities;

(k)           the issuer free writing prospectus issued at or prior to 2:25 p.m. (Eastern time) on August 19, 2024, which the Company was advised is the time of the first contract of sale of the Securities, substantially in the form attached as Schedule C to the Underwriting Agreement and as filed with the Commission pursuant to Rule 433(d) of the Securities Act and Section 5(e) of the Underwriting Agreement;

(l)            the Statement of Eligibility under the Trust Indenture Act of 1939, as amended, on Form T-1, of the Trustee;

(m)          resolutions of the Board of Directors of the Company, adopted on May 5, 2022, relating to the preparation and filing with the Commission of the Registration Statement and the issuance of the Company’s securities; and

(n)           the written consent of the Assistant Treasurer of the Company, effective as of August 19, 2024.

I or attorneys under my supervision (with whom I have consulted) have also examined originals or copies, certified or otherwise identified to our satisfaction, of such records of the Company and such agreements, certificates and receipts of public officials, certificates of officers or other representatives of the Company and others, and such other documents as I or attorneys under my supervision (with whom I have consulted) have deemed necessary or appropriate as a basis for the opinions set forth below.

In my examination, I or attorneys under my supervision (with whom I have consulted) have assumed the legal capacity of all natural persons, the genuineness of all signatures, the authenticity of all documents submitted to me as originals, the conformity to original documents of all documents submitted to me as facsimile, electronic, certified, conformed, or photostatic copies, and the authenticity of the originals of such documents.  In making my examination of executed documents or documents to be executed, I have assumed that the parties thereto, other than the Company had or will have the power, corporate or otherwise, to enter into and perform all obligations thereunder and have also assumed the due authorization by all requisite action, corporate or other, and the execution and delivery by such parties of such documents, and, as to parties other than the Company, the validity and binding effect on such parties.  As to any facts material to this opinion letter that I or attorneys under my supervision (with whom I have consulted) did not independently establish or verify, we have relied upon oral or written statements and representations of officers and other representatives of the Company and others and of public officials.

The opinions set forth below are subject to the following further qualifications, assumptions and limitations:

(i)            the validity or enforcement of any agreements or instruments may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or other similar laws affecting creditors’ rights generally and by general principles of equity (regardless of whether enforceability is considered in a proceeding in equity or at law); and

(ii)            I do not express any opinion as to the applicability or effect of any fraudulent transfer, preference or similar law on any agreements or instruments or any transactions contemplated thereby.

Based upon the foregoing and subject to the limitations, qualifications, exceptions and assumptions set forth herein, I am of the opinion that the Securities have been duly authorized and executed by the Company, and that when duly authenticated by the Trustee and issued and delivered by the Company against payment therefor in accordance with the terms of the Underwriting Agreement and the Indenture, the Securities will constitute valid and binding obligations of the Company entitled to the benefits of the Indenture and enforceable against the Company in accordance with their respective terms.

I hereby consent to the filing of this opinion letter with the Commission as Exhibit 5.1 to the Registration Statement through incorporation by reference of a current report on Form 8-K.  I also hereby consent to the use of my name under the heading “Legal Matters” in the prospectus which forms a part of the Registration Statement.  In giving this consent, I do not thereby admit that I am within the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of the Commission promulgated thereunder.  This opinion letter is expressed as of the date hereof unless otherwise expressly stated, and I disclaim any undertaking to advise you of any subsequent changes in the facts stated or assumed herein or of any subsequent changes in applicable laws.

	Very truly yours,

	/s/ Lindsay B. Schall
	Lindsay B. Schall, Esq.

Exhibit 8.1

	Hunton Andrews Kurth LLP 200 PARK AVENUE New York, NY 10166-0005
	Tel 212 • 309 • 1000
	Fax 212 • 309 • 1100

August 22, 2024

Duke Energy Corporation

525 South Tryon Street

Charlotte, North Carolina 28202-1803

Duke Energy Corporation

$1,000,000,000 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054

Ladies and Gentlemen:

We have acted as counsel to Duke Energy Corporation, a Delaware corporation (the “Company”), in connection with the offering and sale (the “Offering”) of $1,000,000,000 aggregate principal amount of 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 (the “Debentures”) of the Company pursuant to a preliminary prospectus supplement dated August 19, 2024, and a final prospectus supplement dated August 22, 2024 (together, the “Prospectus Supplement”) and a base prospectus dated September 23, 2022 (the “Base Prospectus”). The Debentures are being issued pursuant to an Indenture, dated as of June 3, 2008 (the “Original Indenture”), as amended and supplemented from time to time, including by the Thirty-fourth Supplemental Indenture, dated as of August 22, 2024, relating to the Debentures (the Original Indenture, as amended and supplemented, the “Indenture”), between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee. You have requested our opinion as to certain U.S. federal income tax matters. Capitalized terms used but not defined herein shall have the meaning assigned to such terms in the Indenture.

In rendering the opinions expressed below, we have made such legal and factual examinations and inquiries as we have deemed necessary or advisable for the purpose of rendering this opinion letter, including but not limited to the examination of the following: (i) the Base Prospectus and the Prospectus Supplement, (ii) the Indenture and (iii) such other documents as we have deemed necessary or appropriate as a basis for the opinion set forth below.

As to any facts material to the opinion expressed herein, we have relied upon certificates and statements and representations and warranties of the officers and other representatives and agents of the parties to the documents and of public officials. In rendering this opinion letter, except for the matters that are specifically addressed in the opinion expressed below, with your permission, we have assumed, and are relying on without independent investigation, (i) the authenticity of all documents submitted to us as originals, (ii) the conformity to the originals of all documents submitted to us as certified or photostatic copies and the authenticity of the originals of such copies, (iii) the genuineness of signatures, (iv) the legal capacity of natural persons signing the documents, (v) the necessary entity formation and continuing existence in the jurisdiction of formation, and the necessary licensing and qualification in all jurisdictions, of all parties to the documents, (vi) the necessary entity authorization, execution, delivery and enforceability (as limited by bankruptcy and other insolvency laws) of all documents by all parties thereto, and the necessary entity power and authority with respect thereto, (vii) the validity, binding effect, and enforceability of all documents, (viii) that each of the parties to the documents will comply (without waiver) with all of the terms of such documents, and (ix) that there is not any other agreement that modifies or supplements the agreements expressed in any document to which this opinion letter relates and that renders the opinion expressed below inconsistent with such document as so modified or supplemented.

ATLANTA AUSTIN BANGKOK BEIJING BOSTON BRUSSELS CHARLOTTE DALLAS DUBAI HOUSTON LONDON

LOS ANGELES MIAMI NEW YORK RICHMOND SAN FRANCISCO TOKYO TYSONS WASHINGTON, DC

www.HuntonAK.com

In rendering this opinion letter, except for matters that are specifically addressed in the opinion expressed below, we have made no inquiry, have conducted no investigation and assume no responsibility with respect to (i) the accuracy of and compliance by the parties thereto with the representations, warranties, covenants, certifications and assumptions as to factual matters contained in any document or (ii) the conformity of the documents to the requirements of any agreement to which this opinion letter relates.

Based on the foregoing and subject to the qualifications, representations, warranties, covenants, certifications and assumptions stated herein, we are of the opinion that under current U.S. federal income tax law as of the date hereof, although there are no regulations, rulings or judicial precedents addressing the characterization of securities having terms substantially similar to the Debentures for U.S. federal income tax purposes, the Debentures will be classified for U.S. federal income tax purposes as indebtedness of the Company to the extent that they are not beneficially owned by any person related to the Company including (i) any member of the Company’s “expanded group” within the meaning of the regulations under section 385 of the Internal Revenue Code of 1986, as amended (the “Code”) (hereinafter, such regulations are the “Section 385 Regulations”), (ii) with respect to the Company’s expanded group, a “controlled partnership” within the meaning of the Section 385 Regulations, or (iii) a disregarded entity owned by any entity described in (i) or (ii) for U.S. federal income tax purposes.

Other than in the context of certain related party debt instruments addressed under the Section 385 Regulations, there are no Treasury regulations defining instruments held by persons unrelated to the issuer as equity or indebtedness for U.S. federal income tax purposes. Furthermore, there are no controlling Treasury regulations, published rulings, or judicial decisions involving securities with terms substantially the same as the Debentures that discuss whether, for U.S. federal income tax purposes, the securities constitute equity or indebtedness. Therefore, our opinion regarding the characterization of the Debentures as evidences of indebtedness is based upon rulings and judicial decisions under the Code involving situations that we consider to be analogous and an analysis of all of the facts and circumstances surrounding the issuance and sale of the Debentures.

The foregoing opinion is based only on the federal income tax laws of the United States, Treasury regulations promulgated thereunder, and administrative and judicial interpretations thereof, all of which are subject to change. The foregoing opinion is limited to the matters addressed herein, and no other opinion is rendered with respect to other United States federal tax matters or to any issues arising under the tax laws of any other country, or any state or locality or governmental agency (other than the Internal Revenue Service) including without limitation (i) any statute, regulation, or provision of law of any state, county, municipality, or other political subdivision or any agency or instrumentality thereof or (ii) the securities or tax laws of any jurisdiction (other than the federal income tax laws of the United States). Additional issues may exist that could affect the United States federal tax treatment of the transaction or matter that is the subject of this opinion letter, and this opinion letter does not consider or provide a conclusion with respect to such additional issues. You should be aware that this opinion letter represents conclusions as to the application of existing law, regulations, administrative rules and practices, and legislative history to the transactions described above. There can be no assurance, however, that existing law will not change or that contrary positions will not be taken by the Internal Revenue Service. Any such change might be retroactive and might affect the opinion set forth above.

We express no opinion on any other laws and intimate no view on any other matter that may be relevant to your interests. We also caution you that our opinion depends upon the facts, representations, warranties, covenants, certifications, assumptions and documents to which this letter refers, which are subject to change, reinterpretation and misunderstanding. Our conclusion could differ if these items on which we have relied are, become or are found to be different.

This opinion letter is rendered as of the date hereof and we undertake no obligation to update the opinion expressed herein after the date of this letter or advise you of changes in the event there is any change in legal authorities, facts, representations, warranties, covenants, certifications and assumptions or documents on which this opinion letter is based (including the taking of any action by any party to the documents pursuant to any opinion of counsel or a waiver), or any inaccuracy in any of these items upon which we have relied in rendering this opinion letter, unless we are specifically engaged to do so. Except as described in the next paragraph, this opinion letter may not be distributed, quoted in whole or in part or otherwise reproduced in any document, or filed with any governmental agency without our express written consent.

We hereby consent to the filing of this opinion as an exhibit to the Current Report on Form 8-K filed on the date of this opinion letter. We also consent to the references to Hunton Andrews Kurth LLP under the captions “Material U.S. Federal Income Tax Considerations” and “Legal Matters” in the Prospectus Supplement. In giving this consent, we do not admit that we are in the category of persons whose consent is required by Section 7 of the Securities Act of 1933, as amended, or the rules and regulations promulgated thereunder by the Securities and Exchange Commission.

	Very truly yours,

	/s/ Hunton Andrews Kurth LLP

Exhibit 99.1

Execution Version

DUKE ENERGY Corporation

$1,000,000,000 6.45% FIXED-TO-FIXED RESET RATE JUNIOR SUBORDINATED DEBENTURES DUE 2054

UNDERWRITING AGREEMENT

August 19, 2024

BofA Securities, Inc.

Goldman Sachs & Co. LLC

J.P. Morgan Securities LLC

Morgan Stanley & Co. LLC

RBC Capital Markets, LLC

Santander US Capital Markets LLC

Truist Securities, Inc.

As Representatives of the several Underwriters

c/o

Morgan Stanley & Co. LLC

1585 Broadway

New York, New York 10036

Ladies and Gentlemen:

1.             Introductory. DUKE ENERGY Corporation, a Delaware corporation (the “Corporation”), proposes, subject to the terms and conditions stated herein, to issue and sell $1,000,000,000 aggregate principal amount of 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 (the “Debentures”) to be issued pursuant to the provisions of an Indenture, dated as of June 3, 2008, (the “Original Indenture”) as supplemented from time to time by supplemental indentures, including the Thirty-fourth Supplemental Indenture, to be dated as of August 22, 2024 with respect to the Debentures (the “Supplemental Indenture” and together with the Original Indenture, the “Indenture”), between the Corporation and The Bank of New York Mellon Trust Company, N.A. (the “Trustee”). BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, RBC Capital Markets, LLC, Santander US Capital Markets LLC and Truist Securities, Inc. (the “Representatives”) are acting as representatives of the several underwriters named in Schedule A hereto (together with the Representatives, the “Underwriters”). The Corporation understands that the several Underwriters propose to offer the Debentures for sale upon the terms and conditions contemplated by (i) this Agreement and (ii) the Base Prospectus, the Preliminary Prospectus and the Permitted Free Writing Prospectus (each, as defined below) issued at or prior to the Applicable Time (as defined below) (the documents referred to in the foregoing subclause (ii) are referred to herein as the “Pricing Disclosure Package”).

2.             Representations and Warranties of the Corporation. The Corporation represents and warrants to, and agrees with, the several Underwriters that:

(a)

A registration statement (No. 333-267583), including a prospectus, relating to the Debentures and certain other securities has been filed with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933, as amended (the “1933 Act”). Such registration statement and any post-effective amendment thereto, each in the form heretofore delivered to you, became effective upon filing with the Commission pursuant to Rule 462 of the rules and regulations of the Commission under the 1933 Act (the “1933 Act Regulations”), and no stop order suspending the effectiveness of such registration statement has been issued and no proceeding for that purpose or pursuant to Section 8A of the 1933 Act has been initiated or threatened by the Commission (if prepared, any preliminary prospectus supplement specifically relating to the Debentures immediately prior to the Applicable Time included in such registration statement or filed with the Commission pursuant to Rule 424(b) of the 1933 Act Regulations being hereinafter called a “Preliminary Prospectus”); the term “Registration Statement” means the registration statement as deemed revised pursuant to Rule 430B(f)(1) of the 1933 Act Regulations on the date of such registration statement’s effectiveness for purposes of Section 11 of the 1933 Act, as such section applies to the Corporation and the Underwriters for the Debentures pursuant to Rule 430B(f)(2) of the 1933 Act Regulations (the “Effective Date”), including all exhibits thereto and including the documents incorporated by reference in the prospectus contained in the Registration Statement at the time such part of the Registration Statement became effective; the term “Base Prospectus” means the prospectus filed with the Commission on the date hereof by the Corporation; and the term “Prospectus” means the Base Prospectus together with the prospectus supplement specifically relating to the Debentures prepared in accordance with the provisions of Rule 430B and promptly filed after execution and delivery of this Agreement pursuant to Rule 430B or Rule 424(b) of the 1933 Act Regulations; any information included in such Prospectus that was omitted from the Registration Statement at the time it became effective but that is deemed to be a part of and included in such registration statement pursuant to Rule 430B is referred to as “Rule 430B Information;” and any reference herein to the Registration Statement, the Preliminary Prospectus or the Prospectus shall be deemed to refer to and include the documents incorporated by reference therein, prior to the date hereof; any reference to any amendment or supplement to any Preliminary Prospectus or Prospectus shall be deemed to refer to and include any documents filed after the date of such Preliminary Prospectus or Prospectus, as the case may be, under the Securities Exchange Act of 1934, as amended (the “1934 Act”), and incorporated by reference in such Preliminary Prospectus or Prospectus, as the case may be; and any reference to any amendment to the Registration Statement shall be deemed to refer to and include any annual report of the Corporation filed pursuant to Section 13(a) or 15(d) of the 1934 Act after the effective date of the Registration Statement that is incorporated by reference in the Registration Statement. For purposes of this Agreement, the term “Applicable Time” means 2:25 p.m. (New York City time) on the date hereof.

(b)

The Registration Statement, the Permitted Free Writing Prospectus specified on Schedule B hereto, the Preliminary Prospectus and the Prospectus conform, and any amendments or supplements thereto will conform, in all material respects to the requirements of the 1933 Act and the 1933 Act Regulations; and (i) the Registration Statement, as of its original effective date and at each deemed effective date with respect to the Underwriters pursuant to Rule 430B(f)(2) of the 1933 Act Regulations, and at the Closing Date (as defined in Section 3), did not and will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein not misleading, and (ii) (A) the Pricing Disclosure Package, as of the Applicable Time, did not, (B) the Prospectus and any amendment or supplement thereto, as of their dates, will not, and (C) the Prospectus as of the Closing Date will not, include any untrue statement of a material fact or omit to state any material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading, except that the Corporation makes no warranty or representation to the Underwriters with respect to any statements or omissions made in reliance upon and in conformity with written information furnished to the Corporation by the Representatives on behalf of the Underwriters specifically for use in the Registration Statement, the Permitted Free Writing Prospectus, the Preliminary Prospectus or the Prospectus.

(c)

The Permitted Free Writing Prospectus specified on Schedule B hereto as of its issue date and at all subsequent times through the completion of the public offer and sale of the Debentures or until any earlier date that the Corporation notified or notifies the Underwriters pursuant to Section 5(f) hereof did not, does not and will not include any information that conflicts with the information (not superseded or modified as of the Effective Date) contained in the Registration Statement, the Preliminary Prospectus or the Prospectus.

(d)

At the earliest time the Corporation or another offering participant made a bona fide offer (within the meaning of Rule 164(h)(2) of the 1933 Act Regulations) of the Debentures, the Corporation was not an “ineligible issuer” as defined in Rule 405 of the 1933 Act Regulations. The Corporation is, and was at the time of the initial filing of the Registration Statement, eligible to use Form S-3 under the 1933 Act.

(e)

The documents and interactive data in eXtensible Business Reporting Language (“XBRL”) incorporated or deemed to be incorporated by reference in the Registration Statement, the Pricing Disclosure Package and the Prospectus, at the time they were filed or hereafter are filed with the Commission, complied and will comply in all material respects with the requirements of the 1934 Act and the rules and regulations of the Commission thereunder (the “1934 Act Regulations”), and, when read together with the other information in the Prospectus, (i) at the time the Registration Statement became effective, (ii) at the Applicable Time and (iii) on the Closing Date did not and will not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(f)

The compliance by the Corporation with all of the provisions of this Agreement has been duly authorized by all necessary corporate action and the consummation of the transactions herein contemplated will not conflict with or result in a breach or violation of any of the terms or provisions of, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement or other agreement or instrument to which the Corporation or any of its Principal Subsidiaries (as hereinafter defined) is a party or by which any of them or their respective property is bound or to which any of their properties or assets is subject that would have a material adverse effect on the business, financial condition or results of operations of the Corporation and its subsidiaries, taken as a whole, nor will such action result in any violation of the provisions of the amended and restated Certificate of Incorporation of the Corporation (the “Certificate of Incorporation”), the amended and restated By-Laws of the Corporation (the “By-Laws”) or any statute or any order, rule or regulation of any court or governmental agency or body having jurisdiction over the Corporation or its Principal Subsidiaries or any of their respective properties that would have a material adverse effect on the business, financial condition or results of operations of the Corporation and its subsidiaries, taken as a whole; and no consent, approval, authorization, order, registration or qualification of or with any such court or governmental agency or body is required for the consummation by the Corporation of the transactions contemplated by this Agreement, except for the approval of the North Carolina Utilities Commission which has been received as of the date of this Agreement, the registration under the 1933 Act of the Debentures, qualification under the Trust Indenture Act of 1939, as amended (the “1939 Act”) and such consents, approvals, authorizations, registrations or qualifications as may be required under state securities or Blue Sky laws in connection with the purchase and distribution of the Debentures by the Underwriters.

(g)

This Agreement has been duly authorized, executed and delivered by the Corporation.

(h)

Each of Duke Energy Carolinas, LLC, a North Carolina limited liability company, Duke Energy Indiana, LLC, an Indiana limited liability company, Progress Energy, Inc., a North Carolina corporation, Duke Energy Progress, LLC, a North Carolina limited liability company, and Duke Energy Florida, LLC, a Florida limited liability company, is a “significant subsidiary” of the Corporation within the meaning of Rule 1-02 of Regulation S-X under the 1933 Act (herein collectively referred to, along with Duke Energy Ohio, Inc., an Ohio corporation and Piedmont Natural Gas Company, Inc., a North Carolina corporation, as the “Principal Subsidiaries”).

(i)

The Original Indenture has been duly authorized, executed and delivered by the Corporation and duly qualified under the 1939 Act and the Supplemental Indenture has been duly authorized and when executed and delivered by the Corporation and, assuming the due authorization, execution and delivery thereof by the Trustee, the Indenture will constitute a valid and legally binding instrument of the Corporation enforceable against the Corporation in accordance with its terms, except as the enforceability thereof may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer or similar laws affecting creditors’ rights generally and by general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law) and an implied covenant of good faith and fair dealing.

(j)

The Debentures have been duly authorized and when executed by the Corporation and when authenticated by the Trustee, in the manner provided in the Indenture and delivered against payment therefor, will constitute valid and legally binding obligations of the Corporation, enforceable against the Corporation in accordance with their terms, except as the enforceability thereof may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer or similar laws affecting creditors’ rights generally and by general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law) and an implied covenant of good faith and fair dealing, and are entitled to the benefits afforded by the Indenture in accordance with the terms of the Indenture and the Debentures, except as set forth in paragraph (i) above.

(k)

Any indenture, mortgage, deed of trust, loan agreement or other agreement or instrument filed or incorporated by reference as an exhibit to the Registration Statement or the Annual Report on Form 10-K of the Corporation for the fiscal year ended December 31, 2023 or any subsequent Quarterly Report on Form 10-Q of the Corporation or any Current Report on Form 8-K of the Corporation with an execution or a filing date after December 31, 2023, except to the extent that such agreement is no longer in effect or to the extent that neither the Corporation nor any subsidiary of the Corporation is currently a party to such agreement, are all indentures, mortgages, deeds of trust, loan agreements or other agreements or instruments that are material to the Corporation.

(l)

The Corporation is not required to be qualified as a foreign corporation to transact business in Indiana, North Carolina, Ohio, South Carolina and Florida.

(m)

Any pro forma financial statements of the Corporation and its subsidiaries and the related notes thereto incorporated by reference in the Registration Statement, the Pricing Disclosure Package and the Prospectus have been prepared in accordance with the Commission’s rules and guidelines with respect to pro forma financial statements and have been properly compiled on the bases described therein.

3.             Purchase, Sale and Delivery of the Debentures. On the basis of the representations, warranties and agreements herein contained, but subject to the terms and conditions herein set forth, the Corporation agrees to sell to the Underwriters, and the Underwriters agree, severally and not jointly, to purchase from the Corporation, at a purchase price of 98.750% of the principal amount of the Debenture plus accrued interest, if any, from August 22, 2024, if settlement takes place after that date (and in the manner set forth below), the respective principal amount of Debentures set forth opposite the names of the Underwriters in Schedule A hereto plus the respective principal amount of additional Debentures which each such Underwriter may become obligated to purchase pursuant to the provisions of Section 8 hereof. The Underwriters hereby agree to make a payment to the Corporation in an amount equal to $2,500,000, including in respect of expenses incurred by the Corporation in connection with the offering of the Debentures.

Payment of the purchase price for the Debentures to be purchased by the Underwriters and the payment referred to above shall be made to the Corporation by wire transfer of immediately available funds, payable to the order of the Corporation against delivery of the Debentures, in fully registered forms, to you or upon your order at 10:00 a.m., New York City time, on August 22, 2024 or such other time and date as shall be mutually agreed upon in writing by the Corporation and the Representatives (the “Closing Date”). The Debentures shall be delivered in the form of one or more global certificates in an aggregate denomination equal to the aggregate principal amount of the Debentures upon original issuance and registered in the name of Cede & Co., as nominee for The Depository Trust Company (“DTC”). All other documents referred to herein that are to be delivered at the Closing Date shall be delivered at that time at the offices of Sidley Austin llp, 787 Seventh Avenue, New York, New York 10019.

4.             Offering by the Underwriters. It is understood that the several Underwriters propose to offer the Debentures for sale to the public as set forth in the Pricing Disclosure Package and the Prospectus.

5.             Covenants of the Corporation. The Corporation covenants and agrees with the several Underwriters that:

(a)

The Corporation will cause the Preliminary Prospectus and the Prospectus to be filed pursuant to, and in compliance with, Rule 424(b) of the 1933 Act Regulations, and advise the Underwriters promptly of the filing of any amendment or supplement to the Registration Statement, the Preliminary Prospectus or the Prospectus and of the institution by the Commission of any stop order proceedings in respect of the Registration Statement, and will use its best efforts to prevent the issuance of any such stop order and to obtain as soon as possible its lifting, if issued.

(b)

If at any time when a prospectus relating to the Debentures (or the notice referred to in Rule 173(a) of the 1933 Act Regulations) is required to be delivered under the 1933 Act any event occurs as a result of which the Pricing Disclosure Package or the Prospectus as then amended or supplemented would include an untrue statement of a material fact, or omit to state any material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading, or if it is necessary at any time to amend the Pricing Disclosure Package or the Prospectus to comply with the 1933 Act, the Corporation promptly will prepare and file with the Commission an amendment, a supplement or an appropriate document pursuant to Section 13 or 14 of the 1934 Act which will correct such statement or omission or which will effect such compliance.

(c)

The Corporation, during the period when a prospectus relating to the Debentures is required to be delivered under the 1933 Act, will timely file all documents required to be filed with the Commission pursuant to Section 13 or 14 of the 1934 Act.

(d)

Without the prior consent of the Underwriters, the Corporation has not made and will not make any offer relating to the Debentures that would constitute a “free writing prospectus” as defined in Rule 405 of the 1933 Act Regulations, other than the Permitted Free Writing Prospectus; each Underwriter, severally and not jointly, represents and agrees that, without the prior consent of the Corporation, it has not made and will not make any offer relating to the Debentures that would constitute a “free writing prospectus” as defined in Rule 405 of the 1933 Act Regulations, other than the Permitted Free Writing Prospectus or a free writing prospectus that is not required to be filed by the Corporation pursuant to Rule 433 of the 1933 Act Regulations (“Rule 433”); any such free writing prospectus (which shall include the pricing term sheet referred to in Section 5(e) below), the use of which has been consented to by the Corporation and the Underwriters, is specified on Item 3 of Schedule B and herein is called the “Permitted Free Writing Prospectus.” The Corporation represents that it has treated or agrees that it will treat the Permitted Free Writing Prospectus as an “issuer free writing prospectus,” as defined in Rule 433, and has complied and will comply with the requirements of Rule 433 applicable to the Permitted Free Writing Prospectus, including timely filing with the Commission where required, legending and record keeping.

(e)

The Corporation agrees to prepare a pricing term sheet specifying the terms of the Debentures not contained in the Preliminary Prospectus, substantially in the form of Schedule C hereto and approved by the Representatives on behalf of the Underwriters, and to file such pricing term sheet as an “issuer free writing prospectus” pursuant to Rule 433 prior to the close of business two business days after the date hereof.

(f)

The Corporation agrees that if at any time following the issuance of the Permitted Free Writing Prospectus any event occurs as a result of which such Permitted Free Writing Prospectus would conflict with the information (not superseded or modified as of the Effective Date) in the Registration Statement, the Pricing Disclosure Package or the Prospectus or would include an untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances then prevailing, not misleading, the Corporation will give prompt notice thereof to the Underwriters and, if requested by the Underwriters, will prepare and furnish without charge to each Underwriter a free writing prospectus or other document, the use of which has been consented to by the Underwriters, which will correct such conflict, statement or omission.

(g)

The Corporation will timely file such reports pursuant to the 1934 Act as are necessary in order to make generally available to its security holders as soon as practicable an earnings statement for the purposes of, and to provide the Underwriters the benefits contemplated by, the last paragraph of Section 11(a) of the 1933 Act.

(h)

The Corporation will furnish to you, without charge, copies of the Registration Statement (four of which will include all exhibits other than those incorporated by reference), the Pricing Disclosure Package and the Prospectus, and all amendments and supplements to such documents, in each case as soon as available and in such quantities as you may reasonably request.

(i)

The Corporation will arrange or cooperate in arrangements, if necessary, for the qualification of the Debentures for sale under the laws of such jurisdictions as you designate and will continue such qualifications in effect so long as required for the distribution; provided, however, that the Corporation shall not be required to qualify as a foreign corporation or to file any general consents to service of process under the laws of any state where it is not now so subject.

(j)

The Corporation will pay all expenses incident to the performance of its obligations under this Agreement including (i) the printing and filing of the Registration Statement and the printing of this Agreement and any Blue Sky Survey, (ii) the preparation and printing of certificates for the Debentures, (iii) the issuance and delivery of the Debentures as specified herein, (iv) the fees and disbursements of counsel for the Underwriters in connection with the qualification of the Debentures under the securities laws of any jurisdiction in accordance with the provisions of Section 5(i) and in connection with the preparation of the Blue Sky Survey, such fees not to exceed $7,500, (v) the printing and delivery to the Underwriters, in quantities as hereinabove referred to, of copies of the Registration Statement and any amendments thereto, of the Preliminary Prospectus, of the Prospectus, of the Permitted Free Writing Prospectus and any amendments or supplements thereto, (vi) any fees charged by independent rating agencies for rating the Debentures, (vii) any fees and expenses in connection with the listing of the Debentures on the New York Stock Exchange LLC, (viii) any filing fee required by the Financial Industry Regulatory Authority, Inc., (ix) the costs of any depository arrangements for the Debentures with DTC or any successor depositary and (x) the costs and expenses of the Corporation relating to investor presentations on any “road show” undertaken in connection with the marketing of the offering of the Debentures, including, without limitation, expenses associated with the production of road show slides and graphics, fees and expenses of any consultants engaged in connection with the road show presentations with the prior approval of the Corporation, travel and lodging expenses of the Underwriters and officers of the Corporation and any such consultants, and the cost of any aircraft chartered in connection with the road show; provided, however, the Underwriters shall reimburse a portion of the costs and expenses referred to in this clause (x).

(k)

During the period beginning from the date of this Agreement and continuing to and including 15 days after the date hereof, the Corporation will not sell, offer to sell, grant any option for the sale of, or otherwise dispose of any Debentures, any security convertible into, exchangeable into or exercisable for the Debentures or any debt securities substantially similar to the Debentures (except for the Debentures issued pursuant to this Agreement), without the prior written consent of the Representatives. This agreement does not apply to issuances of (i) commercial paper or other debt securities with scheduled maturities of less than one year or (ii) any senior indebtedness.

6.             Conditions of the Obligations of the Underwriters. The obligations of the several Underwriters to purchase and pay for the Debentures will be subject to the accuracy of the representations and warranties on the part of the Corporation herein, to the accuracy of the statements of officers of the Corporation made pursuant to the provisions hereof, to the performance by the Corporation of its obligations hereunder and to the following additional conditions precedent:

(a)

The Prospectus shall have been filed by the Corporation with the Commission pursuant to Rule 424(b) within the applicable time period prescribed for filing by the 1933 Act Regulations and in accordance herewith and the Permitted Free Writing Prospectus shall have been filed by the Corporation with the Commission within the applicable time periods prescribed for such filings by, and otherwise in compliance with, Rule 433.

(b)

At or after the Applicable Time and prior to the Closing Date, no stop order suspending the effectiveness of the Registration Statement shall have been issued and no proceedings for that purpose or pursuant to Section 8A of the 1933 Act shall have been instituted or, to the knowledge of the Corporation or you, shall be threatened by the Commission.

(c)

At or after the Applicable Time and prior to the Closing Date, the rating assigned by Moody’s Investors Service, Inc. or S&P Global Ratings (or any of their successors) to any debt securities or preferred stock of the Corporation as of the date of this Agreement shall not have been lowered.

(d)

Since the respective most recent dates as of which information is given in the Pricing Disclosure Package and the Prospectus and up to the Closing Date, there shall not have been any material adverse change in the condition of the Corporation, financial or otherwise, except as reflected in or contemplated by the Pricing Disclosure Package and the Prospectus, and, since such dates and up to the Closing Date, there shall not have been any material transaction entered into by the Corporation other than transactions contemplated by the Pricing Disclosure Package and the Prospectus and transactions in the ordinary course of business, the effect of which in your reasonable judgment is so material and adverse as to make it impracticable or inadvisable to proceed with the public offering or the delivery of the Debentures on the terms and in the manner contemplated by the Pricing Disclosure Package and the Prospectus.

(e)

You shall have received an opinion of Lindsay B. Schall, Esq., Deputy General Counsel of Duke Energy Business Services LLC, the service company subsidiary of the Corporation (who in such capacity provides legal services to the Corporation), or other appropriate counsel reasonably satisfactory to the Representatives (which may include the Corporation’s other “in-house” counsel), dated the Closing Date, to the effect that:

(i)

Each of Duke Energy Ohio, Inc., Progress Energy, Inc. and Piedmont Natural Gas Company, Inc., has been duly incorporated and is validly existing in good standing under the laws of the jurisdiction of its incorporation and has the respective corporate power and authority and foreign qualifications necessary to own its properties and to conduct its business as described in the Pricing Disclosure Package and the Prospectus. Each of Duke Energy Carolinas, LLC, Duke Energy Florida, LLC, Duke Energy Indiana, LLC and Duke Energy Progress, LLC has been duly organized and is validly existing and in good standing as a limited liability company under the laws of the State of North Carolina, the State of Florida, the State of Indiana and the State of North Carolina, respectively, and has full limited liability company power and authority necessary to own its properties and to conduct its business as described in the Pricing Disclosure Package and the Prospectus.

(ii)

Each of the Corporation and the Principal Subsidiaries is duly qualified to do business in each jurisdiction in which the ownership or leasing of its property or the conduct of its business requires such qualification, except where the failure to so qualify, considering all such cases in the aggregate, does not have a material adverse effect on the business, properties, financial condition or results of operations of the Corporation and its subsidiaries taken as a whole.

(iii)

The Registration Statement became effective upon filing with the Commission pursuant to Rule 462 of the 1933 Act Regulations, and, to the best of such counsel’s knowledge, no stop order suspending the effectiveness of the Registration Statement has been issued and no proceedings for that purpose have been instituted or are pending or threatened under the 1933 Act.

(iv)

The descriptions in the Registration Statement, the Pricing Disclosure Package and the Prospectus of any legal or governmental proceedings are accurate and fairly present the information required to be shown, and such counsel does not know of any litigation or any legal or governmental proceeding instituted or threatened against the Corporation or any of its Principal Subsidiaries or any of their respective properties that would be required to be disclosed in the Registration Statement, the Pricing Disclosure Package or the Prospectus and is not so disclosed.

(v)

This Agreement has been duly authorized, executed and delivered by the Corporation.

(vi)

The execution, delivery and performance by the Corporation of this Agreement and the Indenture and the issue and sale of the Debentures will not violate or contravene any of the provisions of the Certificate of Incorporation or By-Laws of the Corporation or any statute or any order, rule or regulation of which such counsel is aware of any court or governmental agency or body having jurisdiction over the Corporation or any of its Principal Subsidiaries or any of their respective property, nor will such action conflict with or result in a breach or violation of any of the terms or provisions of, or constitute a default under any indenture, mortgage, deed of trust, loan agreement or other agreement or instrument known to such counsel to which the Corporation or any of its Principal Subsidiaries is a party or by which any of them or their respective property is bound or to which any of its property or assets is subject, which affects in a material way the Corporation’s ability to perform its obligations under this Agreement, the Indenture and the Debentures.

(vii)

The Indenture has been duly authorized, executed and delivered by the Corporation and, assuming the due authorization, execution and delivery thereof by the Trustee, constitutes a valid and legally binding instrument of the Corporation, enforceable against the Corporation in accordance with its terms.

(viii)

The Debentures have been duly authorized, executed and issued by the Corporation and, when authenticated by the Trustee, in the manner provided in the Indenture and delivered against payment therefor, will constitute valid and legally binding obligations of the Corporation enforceable against the Corporation in accordance with their terms, and are entitled to the benefits afforded by the Indenture in accordance with the terms of the Indenture and the Debentures.

(ix)

No consent, approval, authorization, order, registration or qualification is required to authorize, or for the Corporation to consummate the transactions contemplated by this Agreement, except for such consents, approvals, authorizations, registrations or qualifications as may be required under state securities or Blue Sky laws in connection with the purchase and distribution of the Debentures by the Underwriters and except as required in Condition No. 7.6 of the order of the North Carolina Utilities Commission dated September 29, 2016, in Docket Nos. E-7, Sub 1100, E-2, Sub 1095 and G-9, Sub 682, which condition has been complied with.

Such counsel may state that such counsel’s opinions in paragraphs (vii) and (viii) above are subject to the effects of bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws relating to or affecting creditors’ rights generally, and by general principles of equity (whether enforceability is considered in a proceeding in equity or at law) and an implied covenant of good faith and fair dealing. Such counsel shall state that nothing has come to such counsel’s attention that has caused such counsel to believe that each document incorporated by reference in the Registration Statement, the Pricing Disclosure Package and the Prospectus, when filed, was not, on its face, appropriately responsive, in all material respects, to the requirements of the 1934 Act and the 1934 Act Regulations. Such counsel shall also state that nothing has come to such counsel’s attention that has caused such counsel to believe that (i) the Registration Statement, as of the effective date with respect to the Underwriters pursuant to Rule 430B(f)(2) of the 1933 Act Regulations, contained any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, (ii) the Pricing Disclosure Package at the Applicable Time contained any untrue statement of a material fact or omitted to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading or (iii) that the Prospectus, as of its date or at the Closing Date, contained or contains any untrue statement of a material fact or omitted or omits to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. Such counsel may also state that, except as otherwise expressly provided in such opinion, such counsel does not assume any responsibility for the accuracy, completeness or fairness of the statements contained in or incorporated by reference into the Registration Statement, the Pricing Disclosure Package or the Prospectus and does not express any opinion or belief as to (i) the financial statements or other financial and accounting data contained or incorporated by reference therein or excluded therefrom, including XBRL interactive data, (ii) the statement of the eligibility and qualification of the Trustee included in the Registration Statement (the “Form T-1”) or (iii) the information in the Pricing Disclosure Package and the Prospectus under the caption “Book-Entry System.”

In rendering the foregoing opinion, such counsel may state that such counsel does not express any opinion concerning any law other than the law of the State of North Carolina or, to the extent set forth in the foregoing opinions, the federal securities laws and may rely as to all matters of the laws of the States of South Carolina, Ohio, Indiana and Florida on appropriate counsel reasonably satisfactory to the Representatives, which may include the Corporation’s other “in-house” counsel). Such counsel may also state that such counsel has relied as to certain factual matters on information obtained from public officials, officers of the Corporation and other sources believed by such counsel to be reliable.

(f)

You shall have received an opinion of Hunton Andrews Kurth LLP, counsel to the Corporation, dated the Closing Date, to the effect that:

(i)

The Corporation has been duly incorporated and is a validly existing corporation in good standing under the laws of the State of Delaware.

(ii)

The Corporation has the corporate power and corporate authority to execute and deliver this Agreement and the Supplemental Indenture and to consummate the transactions contemplated hereby.

(iii)

This Agreement has been duly authorized, executed and delivered by the Corporation.

(iv)

The Indenture has been duly authorized, executed and delivered by the Corporation and, assuming the due authorization, execution and delivery thereof by the Trustee, is a valid and binding agreement of the Corporation, enforceable against the Corporation in accordance with its terms.

(v)

The Debentures have been duly authorized and executed by the Corporation, and, when duly authenticated by the Trustee and issued and delivered by the Corporation against payment therefor in accordance with the terms of this Agreement and the Indenture, the Debentures will constitute valid and binding obligations of the Corporation, entitled to the benefits of the Indenture and enforceable against the Corporation in accordance with their terms.

(vi)

The statements set forth (i) under the caption “Description of Debt Securities” (other than under the caption “Global Securities”) that are included in the Base Prospectus and (ii) under the caption “Description of the Debentures” in the Pricing Disclosure Package and the Prospectus, insofar as such statements purport to summarize certain provisions of the Indenture and the Debentures, fairly summarize such provisions in all material respects.

(vii)

The statements set forth under the caption “Material U.S. Federal Income Tax Considerations,” in the Pricing Disclosure Package and the Prospectus, insofar as such statements purport to constitute summaries of matters of United States federal income tax law, constitute accurate and complete summaries, in all material respects, subject to the qualifications set forth therein.

(viii)

No Governmental Approval, which has not been obtained or taken and is not in full force and effect, is required to authorize, or is required for, the execution or delivery of this Agreement and the Indenture by the Corporation or the consummation by the Corporation of the transactions contemplated hereby, except for such consents, approvals, authorizations, orders, registrations or qualifications as may be required under state securities or Blue Sky laws in connection with the purchase and distribution of the Debentures by the Underwriters. “Governmental Approval” means any consent, approval, license, authorization or validation of, or filing, qualification or registration with, any Governmental Authority required to be made or obtained by the Corporation pursuant to Applicable Laws, other than any consent, approval, license, authorization, validation, filing, qualification or registration that may have become applicable as a result of the involvement of any party (other than the Corporation) in the transactions contemplated by this Agreement or because of such parties’ legal or regulatory status or because of any other facts specifically pertaining to such parties and “Governmental Authority” means any court, regulatory body, administrative agency or governmental body of the State of North Carolina, the State of New York or the State of Delaware or the United States of America having jurisdiction over the Corporation under Applicable Law but excluding the North Carolina Utilities Commission, the New York State Public Service Commission and the Delaware Public Service Commission.

(ix)

The Corporation is not and, solely after giving effect to the offering and sale of the Debentures and the application of the proceeds thereof as described in the Prospectus, will not be subject to registration and regulation as an “investment company” as such term is defined in the Investment Company Act of 1940, as amended.

(x)

The execution and delivery by the Corporation of this Agreement and the Indenture and the consummation by the Corporation of the transactions contemplated hereby, including the issuance and sale of the Debentures, will not (i) conflict with the Certificate of Incorporation or the By-Laws, (ii) constitute a breach of, or default under, the terms of any of the contracts set forth on Schedule D hereto or (iii) violate any Applicable Law of the State of New York or the General Corporation Law of the State of Delaware. Such counsel shall state that it does not express any opinion, however, as to whether the execution, delivery or performance by the Corporation of this Agreement or the Indenture will constitute a violation of, or a default under, any covenant, restriction or provision with respect to financial ratios or tests or any aspect of the financial condition or results or operations of the Corporation or any of its subsidiaries. “Applicable Law” means the General Corporation Law of the State of Delaware and those laws, rules and regulations of the States of New York and North Carolina and those federal laws, rules and regulations of the United States of America, in each case that, in such counsel’s experience, are normally applicable to transactions of the type contemplated by this Agreement (other than the United States federal securities laws, state securities or Blue Sky laws, antifraud laws and the rules and regulations of the Financial Industry Regulatory Authority, Inc., the North Carolina Public Utilities Act, the rules and regulations of the North Carolina Utilities Commission and the New York State Public Service Commission and the New York State Public Service Law), but without such counsel having made any special investigation as to the applicability of any specific law, rule or regulation.

(xi)

The statements set forth in the Pricing Disclosure Package and the Prospectus under the caption “Underwriting (Conflicts of Interest)” insofar as such statements purport to summarize certain provisions of this Agreement, fairly summarize such provisions in all material respects.

You shall also have received a statement of Hunton Andrews Kurth LLP, dated the Closing Date, to the effect that:

(i) no facts have come to such counsel’s attention that have caused such counsel to believe that the documents filed by the Corporation under the 1934 Act and the 1934 Act Regulations that are incorporated by reference in the Preliminary Prospectus Supplement that forms a part of the Pricing Disclosure Package and the Prospectus, when filed, were not, on their face, appropriately responsive in all material respects to the requirements of the 1934 Act and the 1934 Act Regulations (except that in each case such counsel need not express any view with respect to the financial statements, schedules and other financial and accounting information included or incorporated by reference therein or excluded therefrom including XBRL interactive data), (ii) no facts have come to such counsel’s attention that have caused such counsel to believe that each of the Registration Statement, at the Applicable Time, and the Prospectus, as of its date, appeared on its face, not to be appropriately responsive in all material respects to the requirements of the 1933 Act and the 1933 Act Regulations (except that in each case such counsel need not express any view with respect to the financial statements, schedules and other financial and accounting information included or incorporated by reference therein or excluded therefrom, including XBRL interactive data, or that part of the Registration Statement that constitutes the statement of eligibility on the Form T-1) and (iii) no facts have come to such counsel’s attention that have caused such counsel to believe that the Registration Statement, at the Applicable Time, contained an untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, or that the Prospectus, as of its date and as of the Closing Date, contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading (except that in each case such counsel need not express any view with respect to the financial statements, schedules and other financial and accounting information included or incorporated by reference therein or excluded therefrom, or XBRL interactive data, or that part of the Registration Statement that constitutes the statement of eligibility on the Form T-1). Such counsel shall further state that, in addition, no facts have come to such counsel’s attention that have caused such counsel to believe that the Pricing Disclosure Package, as of the Applicable Time, contained an untrue statement of a material fact or omitted to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading (except that such counsel need not express any view with respect to the financial statements, schedules and other financial and accounting information included or incorporated by reference therein or excluded therefrom, including XBRL interactive data).

In addition, such statement shall confirm that the Prospectus has been filed with the Commission within the time period required by Rule 424 of the 1933 Act Regulations and any required filing of the Permitted Free Writing Prospectus pursuant to Rule 433 of the 1933 Act Regulations has been filed with the Commission within the time period required by Rule 433(d) of the 1933 Act Regulations. Such statement shall further state that assuming the accuracy of the representations and warranties of the Corporation set forth in Section 2(d) of this Agreement, the Registration Statement became effective upon filing with the Commission pursuant to Rule 462 of the 1933 Act Regulations and, pursuant to Section 309 of the Trust Indenture Act of 1939, as amended (the “1939 Act”), the Indenture has been qualified under the 1939 Act, and that based solely on such counsel’s review of the Commission’s website, no stop order suspending the effectiveness of the Registration Statement has been issued and, to such counsel’s knowledge, no proceedings for that purpose have been instituted or are pending or threatened by the Commission.

Hunton Andrews Kurth LLP may state that its opinions in paragraphs (v) and (vi) are subject to the effects of bankruptcy, insolvency, reorganization, moratorium or similar laws affecting creditors’ rights generally and by general principles of equity (regardless of whether enforceability is considered in a proceeding in equity or at law). In addition, such counsel may state that it has relied as to certain factual matters on information obtained from public officials, officers and representatives of the Corporation and that the signatures on all documents examined by them are genuine, assumptions which such counsel have not independently verified.

(g)

You shall have received a letter from Sidley Austin llp, counsel for the Underwriters, dated the Closing Date, with respect to such opinions and statements as you may reasonably request, and the Corporation shall have furnished to such counsel such documents as it requests for the purpose of enabling it to pass upon such matters.

(h)

At or after the Applicable Time, there shall not have occurred any of the following: (i) a suspension or material limitation in trading in securities generally or of the securities of the Corporation, on the New York Stock Exchange LLC; or (ii) a general moratorium on commercial banking activities in New York declared by either Federal or New York State authorities or a material disruption in commercial banking services or securities settlement or clearance services in the United States; or (iii) the outbreak or escalation of hostilities involving the United States or the declaration by the United States of a national emergency or war, if the effect of any such event specified in this subsection (h) in your reasonable judgment makes it impracticable or inadvisable to proceed with the public offering or the delivery of the Debentures on the terms and in the manner contemplated in the Pricing Disclosure Package and the Prospectus. In such event there shall be no liability on the part of any party to any other party except as otherwise provided in Section 7 hereof and except for the expenses to be borne by the Corporation as provided in Section 5(j) hereof.

(i)

You shall have received a certificate of the Chairman of the Board, the President, any Vice President, the Secretary or an Assistant Secretary and any financial or accounting officer of the Corporation, dated the Closing Date, in which such officers, to the best of their knowledge after reasonable investigation, shall state that the representations and warranties of the Corporation in this Agreement are true and correct as of the Closing Date, that the Corporation has complied with all agreements and satisfied all conditions on its part to be performed or satisfied at or prior to the Closing Date, that the conditions specified in subsection (c) of this Section 6 and subsection (d) of this Section 6 have been satisfied, and that no stop order suspending the effectiveness of the Registration Statement has been issued and no proceedings for that purpose have been instituted or are threatened by the Commission.

(j)

At the time of the execution of this Agreement, you shall have received a letter dated such date, in form and substance satisfactory to you, from Deloitte & Touche LLP, the Corporation’s independent registered public accounting firm, containing statements and information of the type ordinarily included in accountants’ “comfort letters” to underwriters with respect to the financial statements and certain financial information contained or incorporated by reference into the Registration Statement, the Pricing Disclosure Package and the Prospectus, including specific references to inquiries regarding any increase in long-term debt (excluding current maturities), decrease in net current assets (defined as current assets less current liabilities) or shareholders’ equity, change in the Corporation’s common stock, and decrease in operating revenues or net income for the period subsequent to the latest financial statements incorporated by reference in the Registration Statement when compared with the corresponding period from the preceding year, as of a specified date not more than three business days prior to the date of this Agreement.

(k)

At the Closing Date, you shall have received from Deloitte & Touche LLP, a letter dated as of the Closing Date, to the effect that it reaffirms the statements made in the letter furnished pursuant to subsection (j) of this Section 6, except that the specified date referred to shall be not more than three business days prior to the Closing Date.

The Corporation will furnish you with such conformed copies of such opinions, certificates, letters and documents as you reasonably request.

7.             Indemnification. (a) The Corporation agrees to indemnify and hold harmless each Underwriter, their respective officers and directors, and each person, if any, who controls any Underwriter within the meaning of Section 15 of the 1933 Act, as follows:

(i)

against any and all loss, liability, claim, damage and expense whatsoever arising out of any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement (or any amendment thereto) including the Rule 430B Information, or the omission or alleged omission therefrom of a material fact required to be stated therein or necessary to make the statements therein not misleading or arising out of any untrue statement or alleged untrue statement of a material fact contained in the Preliminary Prospectus, the Pricing Disclosure Package, the Prospectus (or any amendment or supplement thereto), the Permitted Free Writing Prospectus or any issuer free writing prospectus as defined in Rule 433 of the 1933 Act Regulations, or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, unless such statement or omission or such alleged statement or omission was made in reliance upon and in conformity with written information furnished to the Corporation by the Representatives on behalf of the Underwriters expressly for use in the Registration Statement (or any amendment thereto), the Preliminary Prospectus, the Pricing Disclosure Package, the Prospectus (or any amendment or supplement thereto) or the Permitted Free Writing Prospectus;

(ii)

against any and all loss, liability, claim, damage and expense whatsoever to the extent of the aggregate amount paid in settlement of any litigation, commenced or threatened, or of any claim whatsoever based upon any such untrue statement or omission or any such alleged untrue statement or omission, if such settlement is effected with the written consent of the Corporation; and

(iii)

against any and all expense whatsoever reasonably incurred in investigating, preparing or defending against any litigation, commenced or threatened, or any claim whatsoever based upon any such untrue statement or omission, or any such alleged untrue statement or omission, to the extent that any such expense is not paid under (i) or (ii) of this subsection 7(a).

In no case shall the Corporation be liable under this indemnity agreement with respect to any claim made against any Underwriter or any such controlling person unless the Corporation shall be notified in writing of the nature of the claim within a reasonable time after the assertion thereof, but failure so to notify the Corporation shall not relieve it from any liability which it may have otherwise than under subsections 7(a) and 7(d). The Corporation shall be entitled to participate at its own expense in the defense, or, if it so elects, within a reasonable time after receipt of such notice, to assume the defense of any suit, but if it so elects to assume the defense, such defense shall be conducted by counsel chosen by it and approved by the Underwriter or Underwriters or controlling person or persons, or defendant or defendants in any suit so brought, which approval shall not be unreasonably withheld. In any such suit, any Underwriter or any such controlling person shall have the right to employ its own counsel, but the fees and expenses of such counsel shall be at the expense of such Underwriter or such controlling person unless (i) the Corporation and such Underwriter shall have mutually agreed to the employment of such counsel, or (ii) the named parties to any such action (including any impleaded parties) include both such Underwriter or such controlling person and the Corporation and such Underwriter or such controlling person shall have been advised by such counsel that a conflict of interest between the Corporation and such Underwriter or such controlling person may arise and for this reason it is not desirable for the same counsel to represent both the indemnifying party and also the indemnified party (it being understood, however, that the Corporation shall not, in connection with any one such action or separate but substantially similar or related actions in the same jurisdiction arising out of the same general allegations or circumstances, be liable for the reasonable fees and expenses of more than one separate firm of attorneys for all such Underwriters and all such controlling persons, which firm shall be designated in writing by you). The Corporation agrees to notify you within a reasonable time of the assertion of any claim against it, any of its officers or directors or any person who controls the Corporation within the meaning of Section 15 of the 1933 Act, in connection with the sale of the Debentures.

(b)

Each Underwriter severally and not jointly agrees that it will indemnify and hold harmless the Corporation, its directors and each of the officers of the Corporation who signed the Registration Statement and each person, if any, who controls the Corporation within the meaning of Section 15 of the 1933 Act to the same extent as the indemnity contained in subsection (a) of this Section 7, but only with respect to statements or omissions made in the Registration Statement (or any amendment thereto), the Preliminary Prospectus, the Pricing Disclosure Package, the Prospectus (or any amendment or supplement thereto) or the Permitted Free Writing Prospectus, in reliance upon and in conformity with written information furnished to the Corporation by the Representatives on behalf of the Underwriters expressly for use in the Registration Statement (or any amendment thereto), the Preliminary Prospectus, the Pricing Disclosure Package, the Prospectus (or any amendment or supplement thereto) or the Permitted Free Writing Prospectus. In case any action shall be brought against the Corporation or any person so indemnified based on the Registration Statement (or any amendment thereto), the Preliminary Prospectus, the Pricing Disclosure Package, the Prospectus (or any amendment or supplement thereto) or the Permitted Free Writing Prospectus and in respect of which indemnity may be sought against any Underwriter, such Underwriter shall have the rights and duties given to the Corporation, and the Corporation and each person so indemnified shall have the rights and duties given to the Underwriters, by the provisions of subsection (a) of this Section 7.

(c)

No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement of any pending or threatened proceeding in respect of which any indemnified party is or could have been a party and indemnity could have been sought hereunder by such indemnified party, unless such settlement includes an unconditional release of such indemnified party from all liability on claims that are the subject matter of such proceeding and does not include a statement as to or an admission of fault, culpability or a failure to act, by or on behalf of any indemnified party.

(d)

If the indemnification provided for in this Section 7 is unavailable to or insufficient to hold harmless an indemnified party in respect of any and all loss, liability, claim, damage and expense whatsoever (or actions in respect thereof) that would otherwise have been indemnified under the terms of such indemnity, then each indemnifying party shall contribute to the amount paid or payable by such indemnified party as a result of such loss, liability, claim, damage or expense (or actions in respect thereof) in such proportion as is appropriate to reflect the relative benefits received by the Corporation on the one hand and the Underwriters on the other from the offering of the Debentures. If, however, the allocation provided by the immediately preceding sentence is not permitted by applicable law or if the indemnified party failed to give the notice required above, then each indemnifying party shall contribute to such amount paid or payable by such indemnified party in such proportion as is appropriate to reflect not only such relative benefits but also the relative fault of the Corporation on the one hand and the Underwriters on the other in connection with the statements or omissions which resulted in such loss, liability, claim, damage or expense (or actions in respect thereof), as well as any other relevant equitable considerations. The relative benefits received by the Corporation on the one hand and the Underwriters on the other shall be deemed to be in the same proportion as the total net proceeds from the offering (before deducting expenses) received by the Corporation bear to the total compensation received by the Underwriters in respect of the underwriting discount as set forth in the table on the cover page of the Prospectus. The relative fault shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the Corporation on the one hand or the Underwriters on the other and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The Corporation and the Underwriters agree that it would not be just and equitable if contributions pursuant to this Section 7 were determined by pro rata allocation (even if the Underwriters were treated as one entity for such purpose) or by any other method of allocation which does not take account of the equitable considerations referred to above in this Section 7. The amount paid or payable by an indemnified party as a result of the losses, liabilities, claims, damages or expenses (or actions in respect thereof) referred to above in this Section 7 shall be deemed to include any legal or other expenses reasonably incurred by such indemnified party in connection with investigating or defending any such action or claim. Notwithstanding the provisions of this Section 7, no Underwriter shall be required to contribute any amount in excess of the amount by which the total price at which the Debentures underwritten by it and distributed to the public were offered to the public exceeds the amount of any damages which such Underwriter has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the 1933 Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The Underwriters’ obligations to contribute are several in proportion to their respective underwriting obligations and not joint.

8.             Default by One or More of the Underwriters. (a) If any Underwriter shall default in its obligation to purchase the principal amount of the Debentures which it has agreed to purchase hereunder on the Closing Date, you may in your discretion arrange for you or another party or other parties to purchase such Debentures on the terms contained herein. If within twenty-four hours after such default by any Underwriter you do not arrange for the purchase of such Debentures, then the Corporation shall be entitled to a further period of twenty-four hours within which to procure another party or other parties satisfactory to you to purchase such Debentures on such terms. In the event that, within the respective prescribed periods, you notify the Corporation that you have so arranged for the purchase of such Debentures, or the Corporation notifies you that it has so arranged for the purchase of such Debentures, you or the Corporation shall have the right to postpone such Closing Date for a period of not more than seven days, in order to effect whatever changes may thereby be made necessary in the Registration Statement, the Pricing Disclosure Package or the Prospectus, or in any other documents or arrangements, and the Corporation agrees to file promptly any amendments to the Registration Statement, the Pricing Disclosure Package or the Prospectus which may be required. The term “Underwriter” as used in this Agreement shall include any person substituted under this Section 8 with like effect as if such person had originally been a party to this Agreement with respect to such Debentures.

(b)

If, after giving effect to any arrangements for the purchase of the Debentures of a defaulting Underwriter or Underwriters by you or the Corporation as provided in subsection (a) above, the aggregate amount of such Debentures which remains unpurchased does not exceed one-tenth of the aggregate amount of all the Debentures to be purchased at such Closing Date then the Corporation shall have the right to require each non-defaulting Underwriter to purchase the amount of Debentures which such Underwriter agreed to purchase hereunder at such Closing Date and, in addition, to require each non-defaulting Underwriter to purchase its pro rata share (based on the amount of Debentures which such Underwriter agreed to purchase hereunder) of the Debentures of such defaulting Underwriter or Underwriters for which such arrangements have not been made; but nothing herein shall relieve a defaulting Underwriter from liability for its default.

(c)

If, after giving effect to any arrangements for the purchase of the Debentures of a defaulting Underwriter or Underwriters by you or the Corporation as provided in subsection (a) above, the aggregate amount of such Debentures which remains unpurchased exceeds one-tenth of the aggregate amount of all the Debentures to be purchased at such Closing Date or if the Corporation shall not exercise the right described in subsection (b) above to require non-defaulting Underwriters to purchase the Debentures of a defaulting Underwriter or Underwriters, then this Agreement shall thereupon terminate, without liability on the part of any non-defaulting Underwriter or the Corporation, except for the expenses to be borne by the Corporation as provided in Section 5(j) hereof and the indemnity and contribution agreement in Section 7 hereof; but nothing herein shall relieve a defaulting Underwriter from liability for its default.

9.             Representations and Indemnities to Survive Delivery. The respective indemnities, agreements, representations, warranties and other statements of the Corporation or its officers and of the several Underwriters set forth in or made pursuant to this Agreement will remain in full force and effect, regardless of any investigation, or statement as to the results thereof, made by or on behalf of any Underwriter or the Corporation, or any of their respective officers or directors or any controlling person referred to in Section 7 hereof, and will survive delivery of and payment for the Debentures.

10.             Reliance on Your Acts. In all dealings hereunder, the Representatives shall act on behalf of each of the Underwriters, and the Corporation shall be entitled to act and rely upon any statement, request, notice or agreement on behalf of any Underwriter made or given by the Representatives.

11.             No Fiduciary Relationship. The Corporation acknowledges and agrees that (i) the purchase and sale of the Debentures pursuant to this Agreement is an arm’s-length commercial transaction between the Corporation, on the one hand, and the Underwriters on the other hand, (ii) in connection with the offering contemplated hereby and the process leading to such transaction, each Underwriter is and has been acting solely as a principal and is not the agent or fiduciary of the Corporation or its shareholders, creditors, employees, or any other party, (iii) no Underwriter has assumed or will assume an advisory or fiduciary responsibility in favor of the Corporation with respect to the offering contemplated hereby or the process leading thereto (irrespective of whether such Underwriter has advised or is currently advising the Corporation on other matters) and no Underwriter has any obligation to the Corporation with respect to the offering contemplated hereby except the obligations expressly set forth in this Agreement, (iv) the Underwriters and their respective affiliates may be engaged in a broad range of transactions that involve interests that differ from those of the Corporation, and (v) the Underwriters have not provided any legal, accounting, regulatory or tax advice with respect to the transaction contemplated hereby and the Corporation has consulted its own legal, accounting, regulatory and tax advisors to the extent it deemed appropriate.

12.             Recognition of the U.S. Special Resolution Regimes.

(i)

In the event that any Underwriter that is a Covered Entity (as defined below) becomes subject to a proceeding under a U.S. Special Resolution Regime (as defined below), the transfer from such Underwriter of this Agreement, and any interest and obligation in or under this Agreement, will be effective to the same extent as the transfer would be effective under the U.S. Special Resolution Regime if this Agreement, and any such interest and obligation, were governed by the laws of the United States or a state of the United States.

(ii)

In the event that any Underwriter that is a Covered Entity or a BHC Act Affiliate (as defined below) of such Underwriter becomes subject to a proceeding under a U.S. Special Resolution Regime, Default Rights (as defined below) under this Agreement that may be exercised against such Underwriter are permitted to be exercised to no greater extent than such Default Rights could be exercised under the U.S. Special Resolution Regime if this Agreement were governed by the laws of the United States or a state of the United States.

As used in this Section 12:

“BHC Act Affiliate” has the meaning assigned to the term “affiliate” in, and shall be interpreted in accordance with, 12 U.S.C. § 1841(k).

“Covered Entity” means any of the following:

(i)

a “covered entity” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 252.82(b);

(ii)

a “covered bank” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 47.3(b); or

(iii)

a “covered FSI” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 382.2(b).

“Default Right” has the meaning assigned to that term in, and shall be interpreted in accordance with, 12 C.F.R. §§ 252.81, 47.2 or 382.1, as applicable.

“U.S. Special Resolution Regime” means each of (i) the Federal Deposit Insurance Act and the regulations promulgated thereunder and (ii) Title II of the Dodd-Frank Wall Street Reform and Consumer Protection Act and the regulations promulgated thereunder.

13.             Notices. All communications hereunder will be in writing and, if sent to the Underwriters, will be mailed or telecopied and confirmed to BofA Securities, Inc., 114 West 47th Street, NY8-114-07-01, New York, NY 10036, Attention: High Grade Transaction Management/Legal, Facsimile: (212) 901-7881; Goldman Sachs & Co. LLC, 200 West Street, New York, NY 10282, Attention: Registration Department; J.P. Morgan Securities LLC, 383 Madison Avenue, New York, NY 10179, Attention: Investment Grade Syndicate Desk, Facsimile: (212) 834-6081; Morgan Stanley & Co. LLC, 1585 Broadway, New York, NY 10036, Facsimile: (212) 507-8999, Attention: Investment Banking Division; RBC Capital Markets, LLC, Brookfield Place, 200 Vesey Street, 8th Floor, New York, NY 10281, Attention: DCM Transaction Management/Scott Primrose, Telephone: (212) 618-7706, Email: TMGUS@rbccm.com; Santander US Capital Markets LLC, 437 Madison Avenue, New York, NY 10022, Facsimile: (212) 407-0930, Email: DCMAmericas@santander.us; Truist Securities, Inc., 3333 Peachtree Road, NE, Atlanta, GA 30326, Attention: Investment Grade Capital Markets, Facsimile: (404) 926-5027 or, if sent to the Corporation, will be mailed or telecopied and confirmed to it at 550 South Tryon Street, Charlotte, NC 28202, Telephone: (704) 382-5826, attention of Assistant Treasurer. Any such communications shall take effect upon receipt thereof.

14.             Business Day. As used herein, the term “business day” shall mean any day when the Commission’s office in Washington, D.C. is open for business.

15.             Successors. This Agreement shall inure to the benefit of and be binding upon the Underwriters and the Corporation and their respective successors. Nothing expressed or mentioned in this Agreement is intended or shall be construed to give any person, firm or corporation, other than the parties hereto and their respective successors and the controlling persons, officers and directors referred to in Section 7 and their respective successors, heirs and legal representatives, any legal or equitable right, remedy or claim under or in respect of this Agreement or any provision herein contained; this Agreement and all conditions and provisions hereof being intended to be and being for the sole and exclusive benefit of the parties hereto and their respective successors and said controlling persons, officers and directors and their respective successors, heirs and legal representatives, and for the benefit of no other person, firm or corporation. No purchaser of Debentures from any Underwriter shall be deemed to be a successor or assign by reason merely of such purchase.

16.             Counterparts; Electronic Signatures. This Agreement may be executed in two or more counterparts, each of which when so executed shall be deemed to be an original and all of which when taken together shall constitute one and the same instrument. The words “execution,” “signed,” “signature,” and words of like import in this Agreement or in any other certificate, agreement or document related to this Agreement, the Indenture or the Debentures shall include images of manually executed signatures transmitted by facsimile or other electronic format (including, without limitation, “pdf”, “tif” or “jpg”) and other electronic signatures (including, without limitation, DocuSign and AdobeSign). The use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated, sent, communicated, received, or stored by electronic means) shall be of the same legal effect, validity and enforceability as a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act and any other applicable law, including, without limitation, any state law based on the Uniform Electronic Transactions Act or the Uniform Commercial Code.

17.             Applicable Law. This Agreement shall be governed by, and construed in accordance with, the laws of the State of New York.

If the foregoing is in accordance with your understanding, kindly sign and return to us two counterparts hereof, and upon confirmation and acceptance by the Underwriters, this Agreement and such confirmation and acceptance will become a binding agreement between the Corporation, on the one hand, and each of the Underwriters, on the other hand, in accordance with its terms.

		Very truly yours,

		Duke Energy Corporation

	By:	/s/Chris R. Bauer
		Name: Chris R. Bauer
		Title: Assistant Treasurer

[Remainder of page left blank intentionally]

[Signature Page to Underwriting Agreement]

The foregoing Agreement is hereby
confirmed and accepted as of the date first above written.

BofA Securities, Inc.
Goldman Sachs & Co. LLC
JP Morgan Securities LLC
Morgan Stanley & Co. LLC
RBC Capital Markets, LLC
Santander US Capital Markets LLC
Truist Securities, Inc.

On behalf of each of the Underwriters

BofA Securities, Inc.		Goldman Sachs & Co. LLC

By:	/s/Jon Klein	By:	/s/Karim Saleh
	Name: John Klein		Name: Karim Saleh
	Title: Managing Director		Title: Managing Director

J.P. Morgan Securities LLC		Morgan Stanley & Co. LLC

By:	/s/Robert Bottamedi	By:	/s/Natalie Smithson
	Name: Robert Bottamedi		Name: Natalie Smithson
	Title: Executive Director		Title: Vice President

RBC Capital Markets, LLC		Santander US Capital Markets LLC

By:	/s/Salim Mawani	By:	/s/Richard Zobkiw
	Name: Salim Mawani		Name: Richard Zobkiw
	Title: Authorized Signatory		Title: Executive Director

[Signature Page to Underwriting Agreement]

Truist Securities, Inc.

By:	/s/Robert Nordlinger
	Name: Robert Nordlinger
	Title: Authorized Signatory

[Signature Page to Underwriting Agreement]

SCHEDULE A

Underwriter	Principal Amount of Debentures
BofA Securities, Inc.	$	100,000,000
Goldman Sachs & Co. LLC		100,000,000
J.P. Morgan Securities LLC		100,000,000
Morgan Stanley & Co. LLC		100,000,000
RBC Capital Markets, LLC		100,000,000
Santander US Capital Markets LLC		100,000,000
Truist Securities, Inc.		100,000,000
Barclays Capital Inc.		40,000,000
BMO Capital Markets Corp.		40,000,000
TD Securities (USA) LLC		40,000,000
Loop Capital Markets LLC		42,500,000
CIBC World Markets Corp.		25,000,000
Huntington Securities, Inc.		25,000,000
KeyBanc Capital Markets Inc.		25,000,000
Siebert Williams Shank & Co., LLC		25,000,000
WauBank Securities LLC		25,000,000
American Veterans Group, PBC		2,500,000
AmeriVet Securities, Inc.		2,500,000
Drexel Hamilton, LLC		2,500,000
Great Pacific Securities		2,500,000
Penserra Securities LLC		2,500,000
Total	$	1,000,000,000

A-1

SCHEDULE B

PRICING DISCLOSURE PACKAGE

Base Prospectus

Preliminary Prospectus Supplement dated August 19, 2024

Permitted Free Writing Prospectus

Pricing Term Sheet attached as Schedule C hereto

B-1

SCHEDULE C

Filed pursuant to Rule 433

August 19, 2024

Relating to

Preliminary Prospectus Supplement dated August 19, 2024 to

Prospectus dated September 23, 2022

Registration Statement No. 333-267583

Duke Energy Corporation

$1,000,000,000 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054

Pricing Term Sheet

Issuer:	Duke Energy Corporation (the “Issuer”)
Security Description:	6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054 (the “Debentures”)
Registration Format:	SEC Registered
Trade Date:	August 19, 2024
Settlement Date*:	August 22, 2024 (T+3)
Interest Payment Dates:	Semi-annually in arrears on March 1 and September 1 of each year, commencing March 1, 2025, subject to deferral
Optional Deferral of Interest:	Up to 10 consecutive years per deferral; deferred interest payments will accrue additional interest at an annual rate equal to the interest rate then applicable to the Debentures, as permitted by law.
Principal Amount:	$1,000,000,000
Maturity:	September 1, 2054
Interest Rate:	(i) from and including the date of original issuance to but excluding September 1, 2034 (the “First Reset Date”) at an annual rate of 6.45% and (ii) from and including the First Reset Date during each Interest Reset Period (as defined in the Preliminary Prospectus Supplement, dated August 19, 2024 (the “Preliminary Prospectus Supplement”)) at an annual rate equal to the Five-Year Treasury Rate (as defined in the Preliminary Prospectus Supplement) as of the most recent Reset Interest Determination Date (as defined in the Preliminary Prospectus Supplement), plus a spread of 2.588%, to be reset on each Interest Reset Date (as defined in the Preliminary Prospectus Supplement). For additional information and the definitions of the terms Interest Reset Period, Five-Year Treasury Rate, Reset Interest Determination Date and Reset Date, see “Description of the Debentures – Interest” in the Preliminary Prospectus Supplement.

C-1

Interest Reset Date:	The First Reset Date and each date falling on the five-year anniversary of the preceding Interest Reset Date.
Denominations:	$2,000 and integral multiples of $1,000 in excess thereof
Price to the Public:	100.000% per Debenture (plus accrued interest, if any, from August 22, 2024)
Over-allotment Option:	None
Optional Redemption Provisions:
Par Call:	In whole or in part (i) on any day in the period commencing on the date falling 90 days prior to the First Reset Date and ending on and including the First Reset Date and (ii) after the First Reset Date, on any interest payment date, at a redemption price in cash equal to 100% of the principal amount of the Debentures being redeemed, plus, subject to the terms described in the first paragraph under “Description of the Debentures – Redemption Procedures” in the Preliminary Prospectus Supplement, any accrued and unpaid interest (including any Additional Interest thereon).
Call for Tax Event:	Following the occurrence of a Tax Event, in whole but not in part, at a redemption price equal to 100% of the principal amount of the Debentures being redeemed plus, subject to the terms described in the first paragraph under “Description of the Debentures – Redemption Procedures” in the Preliminary Prospectus Supplement, accrued and unpaid interest (including any Additional Interest) on the principal amount of such Debentures being redeemed to, but excluding, the date of such redemption.
Call for Rating Agency Event:	Following the occurrence of a Rating Agency Event, in whole but not in part, at a redemption price equal to 102% of the principal amount of the Debentures being redeemed plus, subject to the terms described in the first paragraph under “Description of the Debentures – Redemption Procedures” in the Preliminary Prospectus Supplement, accrued and unpaid interest (including any Additional Interest) on the principal amount of such Debentures being redeemed to, but excluding, the date of such redemption.

C-2

CUSIP / ISIN:

26441C CG8 / US26441CCG87

Joint Book-Running Managers:

BofA Securities, Inc.

Goldman Sachs & Co. LLC

J.P. Morgan Securities LLC

Morgan Stanley & Co. LLC

RBC Capital Markets, LLC

Santander US Capital Markets LLC

Truist Securities, Inc.

Barclays Capital Inc.

BMO Capital Markets Corp.

TD Securities (USA) LLC

Co-Managers:

Loop Capital Markets LLC

CIBC World Markets Corp.

Huntington Securities, Inc.

KeyBanc Capital Markets Inc.

Siebert Williams Shank & Co., LLC

WauBank Securities LLC

American Veterans Group, PBC

AmeriVet Securities, Inc.

Drexel Hamilton, LLC

Great Pacific Securities

Penserra Securities LLC

Terms used herein but not defined herein shall have the respective meanings as set forth in in the Issuer’s Preliminary Prospectus Supplement dated August 19, 2024.

* Settlement: Under Rule 15c6-1 under the Securities Exchange Act of 1934, as amended, trades in the secondary market generally are required to settle in one business day unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the Debentures on the Trade Date or the next succeeding business day will be required, by virtue of the fact that the Debentures initially will settle in T+3, to specify an alternative settlement cycle at the time of any such trade to prevent a failed settlement. Purchasers of the Debentures who wish to trade the Debentures on the Trade Date or the next succeeding business day should consult their own advisors.

The Issuer has filed a registration statement (including a prospectus) with the Securities and Exchange Commission (the “SEC”) for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the Issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the Issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling BofA Securities, Inc. toll-free at (800) 294-1322, Goldman Sachs & Co. LLC toll-free at 1-866-520-4056, J.P. Morgan Securities LLC collect at (212) 834-4533, Morgan Stanley & Co. LLC toll-free at (866) 718-1649, RBC Capital Markets, LLC toll-free at (866) 375-6829, Santander US Capital Markets LLC toll-free at (855) 403-3636 or Truist Securities, Inc. toll-free at (800) 685-4786.

C-3

ANY DISCLAIMER OR OTHER NOTICE THAT MAY APPEAR BELOW IS NOT APPLICABLE TO THIS COMMUNICATION AND SHOULD BE DISREGARDED. SUCH DISCLAIMER OR NOTICE WAS AUTOMATICALLY GENERATED AS A RESULT OF THIS COMMUNICATION BEING SENT BY BLOOMBERG OR ANOTHER EMAIL SYSTEM.

C-4

Schedule D

Amended and Restated Credit Agreement, dated as of March 18, 2022, among Duke Energy Corporation, Duke Energy Carolinas, LLC, Duke Energy Ohio, Inc., Duke Energy Indiana, LLC, Duke Energy Kentucky, Inc., Duke Energy Progress, LLC, Duke Energy Florida, LLC, and Piedmont Natural Gas Company, Inc., the Lenders party thereto, Wells Fargo Bank, National Association, as Administrative Agent and Swingline Lender and Wells Fargo Securities, LLC, as Joint Lead Arranger, Joint Bookrunner and Sustainability Structuring Agent.

Amendment No. 1, dated as of March 17, 2023, to Amended and Restated Credit Agreement, dated as of March 18, 2022.

D-1

Cover	Aug. 22, 2024
Document Type	8-K
Amendment Flag	false
Document Period End Date	Aug. 22, 2024
Entity File Number	001-32853
Entity Registrant Name	DUKE ENERGY CORPORATION
Entity Central Index Key	0001326160
Entity Tax Identification Number	20-2777218
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	525 South Tryon Street
Entity Address, City or Town	Charlotte
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28202-1803
City Area Code	800
Local Phone Number	488-3853
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	false
Common Stock [Member]
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	DUK
Security Exchange Name	NYSE
5.625% Junior Subordinated Debentures due September 15, 2078 [Member]
Title of 12(b) Security	5.625% Junior Subordinated Debentures due September 15, 2078
Trading Symbol	DUKB
Security Exchange Name	NYSE
Depositary Shares [Member]
Title of 12(b) Security	Depositary Shares
Trading Symbol	DUK PR A
Security Exchange Name	NYSE
3.10% Senior Notes due 2028 [Member]
Title of 12(b) Security	3.10% Senior Notes due 2028
Trading Symbol	DUK 28A
Security Exchange Name	NYSE
3.85% Senior Notes due 2034 [Member]
Title of 12(b) Security	3.85% Senior Notes due 2034
Trading Symbol	DUK34
Security Exchange Name	NYSE
3.75% Senior Notes due 2031 [Member]
Title of 12(b) Security	3.75% Senior Notes due 2031
Trading Symbol	DUK 31A
Security Exchange Name	NYSE

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