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v3.25.3

Debt and Credit Facilities (Tables) | 9 Months Ended
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Sep. 30, 2025
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | The following table summarizes significant debt issuances (in millions).
|  |  |  |  | Nine Months Ended September 30, 2025
|  |  |  |  |  |  | Duke |  | Duke |  | Duke |  |  |  | Duke |  | Duke |  |
| Maturity |  | Interest |  | Duke |  | Energy |  | Energy |  | Energy |  |  |  | Energy |  | Energy |  |
Issuance Date | Date |  | Rate |  | Energy |  | (Parent) |  | Carolinas |  | Progress |  |  |  | Ohio |  | Indiana |  |
Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
August 2025(e) | September 2030 |  | 5.410 | % |  | $ | 68 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 68 |  |  | $ | — |  |  |
August 2025(e) | September 2035 |  | 6.010 | % |  | 43 |  |  | — |  |  | — |  |  | — |  |  |  |  | 43 |  |  | — |  |  |
August 2025(e) | September 2037 |  | 6.110 | % |  | 40 |  |  | — |  |  | — |  |  | — |  |  |  |  | 40 |  |  | — |  |  |
September 2025(f) | September 2035 |  | 4.950 | % |  | 1,000 |  |  | 1,000 |  |  | — |  |  | — |  |  |  |  | — |  |  | — |  |  |
September 2025(f) | September 2055 |  | 5.700 | % |  | 750 |  |  | 750 |  |  | — |  |  | — |  |  |  |  | — |  |  | — |  |  |
Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 2025(g) | July 2037 |  | 4.226 | % |  | 200 |  |  | $ | — |  |  | 200 |  |  | $ | — |  |  |  |  | $ | — |  |  | $ | — |  |  |
September 2025(g) | January 2048 |  | 5.070 | % |  | 382 |  |  | — |  |  | 382 |  |  | — |  |  |  |  | — |  |  | — |  |  |
September 2025(g) | January 2048 |  | 4.890 | % |  | 461 |  |  | — |  |  | — |  |  | 461 |  |  |  |  | — |  |  | — |  |  |
First Mortgage Bonds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 2025(a) | March 2030 |  | 4.850 | % |  | $ | 400 |  |  | $ | — |  |  | $ | 400 |  |  | $ | — |  |  |  |  | $ | — |  |  | $ | — |  |  |
January 2025(a) | March 2035 |  | 5.250 | % |  | 700 |  |  | — |  |  | 700 |  |  | — |  |  |  |  | — |  |  | — |  |  |
March 2025(b) | March 2027 |  | 4.350 | % |  | 500 |  |  | — |  |  | — |  |  | 500 |  |  |  |  | — |  |  | — |  |  |
March 2025(b) | March 2035 |  | 5.050 | % |  | 850 |  |  | — |  |  | — |  |  | 850 |  |  |  |  | — |  |  | — |  |  |
March 2025(b) | March 2055 |  | 5.550 | % |  | 750 |  |  | — |  |  | — |  |  | 750 |  |  |  |  | — |  |  | — |  |  |
May 2025(c) | May 2055 |  | 5.900 | % |  | 300 |  |  | — |  |  | — |  |  | — |  |  |  |  | — |  |  | 300 |  |  |
June 2025(d) | June 2035 |  | 5.300 | % |  | 350 |  |  | — |  |  | — |  |  | — |  |  |  |  | 350 |  |  | — |  |  |
Total issuances |  |  |  |  | $ | 6,794 |  |  | $ | 1,750 |  |  | $ | 1,682 |  |  | $ | 2,561 |  |  |  |  | $ | 501 |  |  | $ | 300 |  |  |
(a)Proceeds were used to repay the $500 million DERF accounts receivable securitization facility due January 2025, to pay down short-term debt and for general company purposes. (b)Proceeds were used to repay the $400 million DEPR accounts receivable securitization facility due April 2025, to pay down short-term debt and for general company purposes. (c)Proceeds were used to pay down short-term debt and for general company purposes. (d)Proceeds were used to repay $150 million of maturities due June 2025, to pay down short-term debt and for general corporate purposes. (e)Proceeds were used to repay $95 million of maturities due October 2025, pay down short-term debt and for general corporate purposes and will be used to repay $45 million of maturities due January 2026. (f)Proceeds were used to repay $650 million of maturities due September 2025, to pay down short-term debt and for general corporate purposes and will be used to repay $500 million of maturities due December 2025. (g)Proceeds from storm recovery bonds were used to repay the Duke Energy Carolinas and Duke Energy Progress term loan facilities and for general company purposes. The following table shows the significant components of Current maturities of long-term debt on the Condensed Consolidated Balance Sheets. The Duke Energy Registrants currently anticipate satisfying these obligations with cash on hand and proceeds from additional borrowings.
(in millions) | Maturity Date |  | Interest Rate |  | September 30, 2025
Unsecured Debt |  |  |  |  |
Duke Energy Florida Term Loan Facility(a) | October 2025 |  | 4.916 | % |  | 350 |
Duke Energy Ohio(b) | October 2025 |  | 3.230 | % |  | 95 |
Duke Energy (Parent) | December 2025 |  | 5.000 | % |  | 500 |
Duke Energy (Parent) Convertible Senior Notes | April 2026 |  | 4.125 | % |  | 1,725 |
Piedmont Term Loan Facility(a) | August 2026 |  | 5.025 | % |  | 450 |
Duke Energy (Parent) | September 2026 |  | 2.650 | % |  | 1,500 |
Duke Energy (Parent) Term Loan Facility(a) | September 2026 |  | 5.124 | % |  | 1,200 |
First Mortgage Bonds |  |  |  |  |
Duke Energy Florida(a)(c) | October 2073 |  | 3.992 | % |  | 200 |
Duke Energy Florida(a)(c) | April 2074 |  | 3.992 | % |  | 173 |
Other(d) |  |  |  |  | 259 |
Current maturities of long-term debt |  |  |  |  | $ | 6,452 |
(a)Debt has a floating interest rate. (b)Current maturity relates to Duke Energy Kentucky. (c)These first mortgage bonds are classified as Current maturities of long-term debt on the Condensed Consolidated Balance Sheets based on terms of the indentures, which could require repayment in less than 12 months if exercised by the bondholders. (d)Includes finance lease obligations, amortizing debt, tax-exempt bonds with mandatory put options and small bullet maturities.
Schedule of Line of Credit Facilities | The table below includes the current borrowing sublimits and available capacity under these credit facilities.
| September 30, 2025
|  |  | Duke |  | Duke |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Duke |  | Energy |  | Energy |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | Energy |  | (Parent) |  | Carolinas |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Facility size(a) | $ | 10,000 |  |  | $ | 3,925 |  |  | $ | 1,000 |  |  | $ | 1,125 |  |  | $ | 1,150 |  |  | $ | 950 |  |  | $ | 800 |  |  | $ | 1,050 |
Reduction to backstop issuances |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper(b) | (2,409) |  |  | (1,350) |  |  | (370) |  |  | (150) |  |  | (170) |  |  | (25) |  |  | (150) |  |  | (194) |
Outstanding letters of credit | (7) |  |  | (2) |  |  | (4) |  |  | (1) |  |  | — |  |  | — |  |  | — |  |  | — |
Tax-exempt bonds | (81) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (81) |  |  | — |
Available capacity under the Master Credit Facility | $ | 7,503 |  |  | $ | 2,573 |  |  | $ | 626 |  |  | $ | 974 |  |  | $ | 980 |  |  | $ | 925 |  |  | $ | 569 |  |  | $ | 856 |
(a)Represents the sublimit of each borrower. (b)Duke Energy issued $625 million of commercial paper and loaned the proceeds through the money pool to Duke Energy Carolinas, Duke Energy Progress, Duke Energy Ohio and Duke Energy Indiana. The balances are classified as Long-Term Debt Payable to Affiliated Companies on the Condensed Consolidated Balance Sheets.

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