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Debt and Other Obligations Debt and Other Obligations (Tables) | 12 Months Ended
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Sep. 30, 2025
Debt and Other Obligations [Abstract] |
Schedule of short-term borrowings | The following table provides information regarding TVA's short-term borrowings:
Short-Term Borrowings At September 30
| 2025 |  | 2024
Gross amount outstanding - discount notes (in millions) | $ | — |  |  | $ | 1,168 |
Weighted average interest rate - discount notes | — | % |  | 4.76 | %
Debt Securities Activity | The table below summarizes the long-term debt securities activity for the years ended September 30, 2025 and 2024.
Debt Securities Activity For the years ended September 30 (in millions)
3967 |  | 2025 |  | 2024
Issues |  |  |  |
Variable interest entities |  | $ | 800 |  |  | $ | — |
2024 Series A(1) |  | — |  |  | 1,000 |
2025 Series A(2) |  | 1,250 |  |  | — |
2025 Series B(3) |  | 1,500 |  |  | — |
2025 Series C(4) |  | 1,250 |  |  | — |
Discount on debt issues |  | (33) |  |  | (9) |
Total |  | $ | 4,767 |  |  | $ | 991 |
Redemptions/Maturities(5) |  |  |  |
2009 Series B |  | $ | 22 |  |  | $ | 22 |
2014 Series A |  | — |  |  | 1,000 |
2020 Series A |  | 1,000 |  |  | — |
Total redemptions/maturities of power bonds |  | 1,022 |  |  | 1,022 |
Debt of variable interest entities |  | 41 |  |  | 35 |
Total redemptions/maturities of debt |  | $ | 1,063 |  |  | $ | 1,057 |
Notes (1) The 2024 Series A Bonds were issued at 99.109 percent of par. (2) The 2025 Series A Bonds were issued at 98.517 percent of par. (3) The 2025 Series B Bonds were issued at 99.360 percent of par. (4) The 2025 Series C Bonds were issued at 99.593 percent of par. (5) All redemptions were at 100 percent of par.
Debt Outstanding | Total debt outstanding at September 30, 2025 and 2024, consisted of the following:
Short-Term Debt At September 30 (in millions)
CUSIP or Other Identifier |  | Maturity |  |  |  | Coupon Rate |  | 2025 |  | 2024
Short-term debt, net of discounts |  |  |  |  |  |  |  | $ | — |  |  | $ | 1,167 |
Current maturities of long-term debt of variable interest entities |  |  |  |  |  |  |  | 49 |  |  | 37 |
Current maturities of power bonds issued at par |  |  |  |  |  |  |  |  |  |
880591EW8 |  | 5/15/2025 |  |  |  | 0.750% |  | — |  |  | 1,000 |
880591CJ9(1) |  | 11/1/2025 |  |  |  | 6.750% |  | 1,350 |  |  | — |
880591EF5 |  | 12/15/2025 |  |  |  | 3.770% |  | — |  |  | 1 |
880591EF5 |  | 6/15/2026 |  |  |  | 3.770% |  | 20 |  |  | 21 |
Total current maturities of power bonds issued at par |  |  |  |  |  |  |  | 1,370 |  |  | 1,022 |
Total current debt outstanding, net |  |  |  |  |  |  |  | $ | 1,419 |  |  | $ | 2,226 |
Notes (1) On November 1, 2025, TVA redeemed a $1.4 billion power bond due to maturity. TVA's next significant power bond maturity is $1.0 billion in February 2027.
Long-Term Debt At September 30 (in millions)
CUSIP or Other Identifier |  | Maturity |  | Coupon Rate |  |  |  | 2025 Par |  | 2024 Par |  | Stock Exchange Listings
880591CJ9 |  | 11/1/2025 |  | 6.750% |  |  |  | $ | — |  |  | $ | 1,350 |  |  | New York, Hong Kong, Luxembourg, Singapore
880591EU2 |  | 2/1/2027 |  | 2.875% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591EZ1 |  | 3/15/2028 |  | 3.875% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591300(1) |  | 6/1/2028 |  | 2.134% |  |  |  | 256 |  |  | 256 |  |  | New York
880591409(1) |  | 5/1/2029 |  | 2.216% |  |  |  | 208 |  |  | 208 |  |  | New York
880591DM1 |  | 5/1/2030 |  | 7.125% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York, Luxembourg
880591FE7 |  | 8/1/2030 |  | 3.875% |  |  |  | 1,250 |  |  | — |  |  | New York
880591EX6 |  | 9/15/2031 |  | 1.500% |  |  |  | 500 |  |  | 500 |  |  | New York
880591DP4 |  | 6/7/2032 |  | 6.587% | (2) |  |  | 337 |  | (3) | 335 |  | (3) | New York, Luxembourg
880591DV1 |  | 7/15/2033 |  | 4.700% |  |  |  | 472 |  |  | 472 |  |  | New York, Luxembourg
880591EF5 |  | 6/15/2034 |  | 3.770% |  |  |  | 96 |  |  | 116 |  |  | None
880591FB3 |  | 8/1/2034 |  | 4.375% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591FD9 |  | 5/15/2035 |  | 4.875% |  |  |  | 1,500 |  |  | — |  |  | New York
880591DX7 |  | 6/15/2035 |  | 4.650% |  |  |  | 436 |  |  | 436 |  |  | New York
880591CK6 |  | 4/1/2036 |  | 5.980% |  |  |  | 121 |  |  | 121 |  |  | New York
880591CS9 |  | 4/1/2036 |  | 5.880% |  |  |  | 1,500 |  |  | 1,500 |  |  | New York
880591CP5 |  | 1/15/2038 |  | 6.150% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591ED0 |  | 6/15/2038 |  | 5.500% |  |  |  | 500 |  |  | 500 |  |  | New York
880591EH1 |  | 9/15/2039 |  | 5.250% |  |  |  | 2,000 |  |  | 2,000 |  |  | New York
880591EP3 |  | 12/15/2042 |  | 3.500% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591DU3 |  | 6/7/2043 |  | 4.962% | (2) |  |  | 202 |  | (3) | 201 |  | (3) | New York, Luxembourg
880591EB4 |  | 1/15/2048 |  | 4.875% |  |  |  | 500 |  |  | 500 |  |  | New York, Luxembourg
880591EY4 |  | 9/15/2052 |  | 4.250% |  |  |  | 500 |  |  | 500 |  |  | New York
880591FC1 |  | 2/1/2055 |  | 5.250% |  |  |  | 1,250 |  |  | — |  |  | New York
880591DZ2 |  | 4/1/2056 |  | 5.375% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591EJ7 |  | 9/15/2060 |  | 4.625% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
880591ES7 |  | 9/15/2065 |  | 4.250% |  |  |  | 1,000 |  |  | 1,000 |  |  | New York
Subtotal |  |  |  |  |  |  |  | 20,628 |  |  | 17,995 |  |  |
Unamortized discounts, premiums, issue costs, and other |  |  |  |  |  |  |  | (167) |  |  | (128) |  |  |
Total long-term outstanding power bonds, net |  |  |  |  |  |  |  | 20,461 |  |  | 17,867 |  |  |
Long-term debt of VIEs, net |  |  |  |  |  |  |  | 1,632 |  |  | 897 |  |  |
Total long-term debt, net |  |  |  |  |  |  |  | $ | 22,093 |  |  | $ | 18,764 |  |  |
Notes (1) TVA PARRS, CUSIP numbers 880591300 and 880591409, may be redeemed under certain conditions. See Put Options above. (2) The coupon rate represents TVA's effective interest rate. (3) CUSIP numbers 880591DP4 and 880591DU3 include total net exchange gain from currency transactions of $59 million and $62 million at September 30, 2025 and 2024, respectively
Maturities Due in the Year Ending September 30 |
Maturities Due in the Year Ending September 30 (in millions)
| 2026 |  | 2027 |  | 2028 |  | 2029 |  | 2030 |  | Thereafter |  | Total
Long-term power bonds including current maturities(1) | $ | 1,370 |  |  | $ | 1,020 |  |  | $ | 1,272 |  |  | $ | 220 |  |  | $ | 2,262 |  |  | $ | 15,913 |  |  | $ | 22,057 |
Notes (1) Long-term power bonds do not include non-cash items of foreign currency exchange gain of $59 million, unamortized debt issue costs of $54 million, or net discount on sale of Bonds of $113 million.
Summary of Long-Term Credit Facilities | The following table provides additional information regarding TVA's funding available under the four revolving credit facilities:
Summary of Credit Facilities At September 30, 2025 (in millions)
Maturity Date |  | Facility Limit |  | Letters of Credit Outstanding |  | Cash Borrowings |  | Availability
March 2026 |  | $ | 150 |  |  | $ | 38 |  |  | $ | — |  |  | $ | 112 |
March 2027 |  | 1,000 |  |  | 135 |  |  | — |  |  | 865 |
February 2028 |  | 500 |  |  | 215 |  |  | — |  |  | 285 |
September 2030 |  | 1,000 |  |  | 110 |  |  | — |  |  | 890 |
Total |  | $ | 2,650 |  |  | $ | 498 |  |  | $ | — |  |  | $ | 2,152 |

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