Supplemental Cash Flow Information

12 Months Ended

Sep. 30, 2025

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Interest paid was $1.1 billion in each of 2025, 2024, and 2023. These amounts differ from interest expense in certain years due to the timing of payments. There was no interest capitalized in 2025, 2024, or 2023.

    Construction in progress and nuclear fuel expenditures included in Accounts payable and accrued liabilities at September 30, 2025, 2024, and 2023 were $1.2 billion, $898 million, and $559 million, respectively, and are excluded from the Consolidated Statements of Cash Flows for the years ended September 30, 2025, 2024, and 2023 as non-cash investing activities. ARO project accruals included in Accounts payable and accrued liabilities at September 30, 2025, 2024, and 2023 were $57 million, $45 million, and $71 million, respectively, and are excluded from the Consolidated Statements of Cash Flows for the years ended September 30, 2025, 2024, and 2023 as non-cash operating activities.

Excluded from the Consolidated Statements of Cash Flows for the year ended September 30, 2024, were non-cash investing and financing activities of $230 million primarily related to two finance leases. There was a $56 million lease asset and lease liability recorded as a result of a new finance lease entered into in May 2024. In addition, there was a $163 million lease liability and a $179 million lease asset recorded as a remeasurement of an existing lease due to change in lease term. There are no material finance leases that were entered into during the years ended September 30, 2025 and 2023. See Note 9 — Leases for further information regarding TVA's finance leases.

    Cash flows from swap contracts that are accounted for as hedges are classified in the same category as the item being hedged or on a basis consistent with the nature of the instrument.