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v3.23.3

Debt and Credit Facilities (Tables) | 9 Months Ended
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Sep. 30, 2023
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | The following table summarizes significant debt issuances (in millions).
|  |  |  |  | Nine Months Ended September 30, 2023
|  |  |  |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Maturity |  | Interest |  | Duke |  | Energy |  | Energy |  | Energy |  | Energy |  | Energy |  | Energy |  |
Issuance Date | Date |  | Rate |  | Energy |  | (Parent) |  | Carolinas |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
April 2023(a) | April 2026 |  | 4.125 | % |  | $ | 1,725 |  |  | $ | 1,725 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
June 2023(b) | June 2033 |  | 5.400 | % |  | 350 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 350 |
September 2023(c) | September 2033 |  | 5.750 | % |  | 600 |  |  | 600 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
September 2023(c) | September 2053 |  | 6.100 | % |  | 750 |  |  | 750 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
First Mortgage Bonds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 2023(d) | January 2033 |  | 4.950 | % |  | 900 |  |  | — |  |  | 900 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
January 2023(d) | January 2053 |  | 5.350 | % |  | 900 |  |  | — |  |  | 900 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
March 2023(e) | March 2033 |  | 5.250 | % |  | 500 |  |  | — |  |  | — |  |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |
March 2023(e) | March 2053 |  | 5.350 | % |  | 500 |  |  | — |  |  | — |  |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |
March 2023(f) | April 2033 |  | 5.250 | % |  | 375 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 375 |  |  | — |  |  | — |
March 2023(f) | April 2053 |  | 5.650 | % |  | 375 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 375 |  |  | — |  |  | — |
March 2023(g) | April 2053 |  | 5.400 | % |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 500 |  |  | — |
June 2023(h) | January 2033 |  | 4.950 | % |  | 350 |  |  | — |  |  | 350 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
June 2023(h) | January 2054 |  | 5.400 | % |  | 500 |  |  | — |  |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
September 2023(i) | October 2073 |  | 4.960 | % |  | 200 |  |  | — |  |  | — |  |  | — |  |  | 200 |  |  | — |  |  | — |  |  | — |
Total issuances |  |  |  |  | $ | 8,525 |  |  | $ | 3,075 |  |  | $ | 2,650 |  |  | $ | 1,000 |  |  | $ | 200 |  |  | $ | 750 |  |  | $ | 500 |  |  | $ | 350 |
(a)See "Duke Energy (Parent) Convertible Senior Notes" below for additional information. (b)Proceeds will be used to repay $45 million of maturities due October 2023, to pay down a portion of short-term debt and for general corporate purposes. (c)Proceeds were primarily used to repay $400 million of maturities due October 2023, to pay down a portion of short-term debt and for general corporate purposes. (d)Proceeds were used to repay $1 billion of maturities due March 2023, to pay down a portion of short-term debt and for general company purposes. (e)Proceeds will be used to repay $300 million of maturities due September 2023, to pay down a portion of short-term debt and for general company purposes. (f)Proceeds will be used to repay $300 million of maturities due September 2023 and a portion of the $100 million term loan due October 2023. Remaining proceeds will be used to repay a portion of short-term debt and for general corporate purposes. (g)Proceeds were used to repay the $300 million term loan due October 2023. Remaining proceeds will be used to repay a portion of short-term debt and for general company purposes. (h)Proceeds were used to pay down a portion of short-term debt and for general company purposes. (i)Proceeds were used to pay down a portion of short-term debt 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, 2023
Unsecured Debt |  |  |  |  |
Duke Energy Ohio(a) | October 2023 |  | 5.813 | % |  | $ | 150 |
Duke Energy (Parent) | October 2023 |  | 3.950 | % |  | 400 |
Duke Energy (Parent) Term Loan Facility(a) | March 2024 |  | 6.048 | % |  | 1,000 |
Duke Energy (Parent) | April 2024 |  | 3.750 | % |  | 1,000 |
Duke Energy Florida(a) | April 2024 |  | 6.196 | % |  | 800 |
Other(b) |  |  |  |  | 684 |
Current maturities of long-term debt |  |  |  |  | $ | 4,034 |
(a)Debt has a floating interest rate. In October 2023, Duke Energy Kentucky's $50 million two-year term loan facility was increased to $75 million and it's maturity was extended to April 2024. The term loan was fully drawn at the time of closing with incremental borrowings under the facility used to pay down short-term debt and for general corporate purposes. (b)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, 2023
|  |  | 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) | $ | 9,000 |  |  | $ | 2,275 |  |  | $ | 1,575 |  |  | $ | 1,400 |  |  | $ | 1,250 |  |  | $ | 750 |  |  | $ | 950 |  |  | $ | 800 |
Reduction to backstop issuances |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper(b) | (2,815) |  |  | (106) |  |  | (631) |  |  | (841) |  |  | (292) |  |  | (298) |  |  | (350) |  |  | (297) |
Outstanding letters of credit | (39) |  |  | (27) |  |  | (4) |  |  | (1) |  |  | (7) |  |  | — |  |  | — |  |  | — |
Tax-exempt bonds | (81) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (81) |  |  | — |
Available capacity under the Master Credit Facility | $ | 6,065 |  |  | $ | 2,142 |  |  | $ | 940 |  |  | $ | 558 |  |  | $ | 951 |  |  | $ | 452 |  |  | $ | 519 |  |  | $ | 503 |
(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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