Duke Energy PremierNotes carry 4.00% interest

The rate is set weekly by the Duke Energy PremierNotes Committee or its designee and takes effect the following Monday.

Rhea-AI Filing Summary

Duke Energy Corporation’s PremierNotes variable-denomination floating-rate demand notes carry a 4.00% annual interest rate and a 4.08% yield as of September 28, 2026. The rate is determined weekly by the Duke Energy PremierNotes Committee or its designee and takes effect the following Monday.

Key Figures

Interest rate per annum: 4.00% Yield: 4.08% Registration statement effective date: September 30, 2025

3 metrics

Interest rate per annum 4.00% PremierNotes rate as of September 28, 2026

Yield 4.08% PremierNotes yield as of September 28, 2026

Registration statement effective date September 30, 2025 Current registration statement for the notes

Key Terms

floating rate per annum, weekly basis, demand notes

3 terms

floating rate per annum financial

"bear interest at a floating rate per annum"

weekly basis financial

"determined by the Duke Energy PremierNotes Committee, or its designee, on a weekly basis"

demand notes financial

"Variable Denomination Floating Rate Demand Notes"

Demand notes are short-term IOUs a borrower issues that must be repaid whenever the holder asks for their money back. For investors, they act like a savings account you can cash out anytime but carry credit risk—if the borrower can’t pay when asked—or interest-rate risk, so they matter for liquidity planning and safety when evaluating a company’s short-term funding and repayment ability.

Offering Details

shelf

Offering

Offering Type shelf

Securities Offered Duke Energy PremierNotes variable-denomination floating-rate demand notes

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is the current DUK PremierNotes interest rate?

As of September 28, 2026, the notes had a 4.00% annual interest rate and a 4.08% yield.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/28/2026 - 10:51 AM Accepted by SEC EDGAR 09/28/2026 - 10:49 AM Learn about SEC filing dates

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 September 28, 2026

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. The current Registration Statement for the Notes (No. 333-290634) was automatically effective on September 30, 2025.

As of September 28, 2026, the interest rate on the Notes will be as follows:

Interest Rate Per Annum

4.08% Yield 4.00% Rate