Duke Energy (DUK) lowers PremierNotes floating rates effective Dec. 22, 2025

Rhea-AI Filing Summary

Duke Energy Corporation updated the interest rates on its Duke Energy PremierNotes variable denomination floating rate demand notes. The Notes pay a weekly set floating rate that can vary with the principal amount an investor holds. Effective December 22, 2025, the interest rates at each ownership tier are reduced by 0.25% per annum.

After this change, balances from $0–$9,999.99 earn a 3.55% rate (3.61% yield), balances from $10,000–$49,999.99 earn a 3.65% rate (3.72% yield), and balances of $50,000 and above earn a 3.75% rate (3.82% yield). These tiers show how larger PremierNotes balances receive slightly higher interest rates.

Registration No. 333-290634

Filed Pursuant to Rule 424(b)(3)

DUKE ENERGY CORPORATION

DUKE ENERGY PREMIERNOTES®

VARIABLE DENOMINATION FLOATING RATE DEMAND NOTES

PRICING SUPPLEMENT

(To Prospectus dated September 30, 2025)

The Date of this Pricing Supplement is December 22, 2025

    The Duke Energy PremierNotes Variable Denomination Floating Rate Demand Notes (the “Notes”) bear interest at a floating rate per annum determined by the Duke Energy PremierNotes Committee, or its designee, on a weekly basis to be effective on the following Monday. Under the terms of the PremierNotes program, the interest rate payable on the Notes may vary based on the principal amount of the Notes that an investor owns.

    The current Registration Statement for the Notes (No. 333-290634) was automatically effective on September 30, 2025. As of December 22, 2025, the interest rates on the Notes will be decreased by 0.25% per annum at each of the respective ownership levels, and as a result will be as follows:

Amount of Notes						Interest Rate Per Annum
$0-$9,999.99						3.61% Yield 3.55% Rate
$10,000-$49,999.99						3.72% Yield 3.65% Rate
$50,000 and above						3.82% Yield 3.75% Rate