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v3.23.3

Revenue Customer Type (Details) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2023 USD ($) Units | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Electric revenue | $ 11,899 | $ 12,371 | $ 10,357
Other revenue | 155 | 169 | 146
Revenues | 12,054 | 12,540 | 10,503
Bill credits for LTA | $ (199) | (199) | 189
Number of LPCs signed LTA | Units | 147 |  |
Percentage of total operating revenues | 90.40% |  |
Total number of LPCs | Units | 153 |  |
Off-system sales | $ 14 | 19 | 7
Revenue capitalized during pre-commercial operations | $ (3) | 0 | 0
Percent of sales of electricity to LPCs | 92.00% |  |
Pandemic Relief Credit | $ (225) | $ (228) | $ 221
Number of LPCs signed flexibility agreement | Units | 89 |  |
MLGW's % of operating revenues | 9.00% | 9.00% | 9.00%
NES's % of operating revenues | 8.00% | 8.00% | 8.00%
20-year contract arrangement [Member] |  |  |
Percentage of total operating revenues | 77.70% |  |
5-year contract arrangement [Member] |  |  |
Number of LPCs signed LTA | Units | 6 |  |
Percentage of total operating revenues | 12.70% |  |
TENNESSEE |  |  |
Electric revenue | $ 7,819 | $ 8,137 | $ 6,841
VIRGINIA |  |  |
Electric revenue | 46 | 48 | 42
NORTH CAROLINA |  |  |
Electric revenue | 89 | 87 | 66
MISSISSIPPI |  |  |
Electric revenue | 1,146 | 1,182 | 984
KENTUCKY |  |  |
Electric revenue | 773 | 821 | 655
GEORGIA |  |  |
Electric revenue | 284 | 299 | 254
ALABAMA |  |  |
Electric revenue | 1,731 | 1,778 | 1,508
Federal agencies and other [Member] |  |  |
Electric revenue | 135 | 154 | 116
20-year contract arrangement [Member] |  |  |
Electric revenue | 9,367 |  |
5-year contract arrangement [Member] |  |  |
Electric revenue | 1,536 |  |
Local Power Company [Member] |  |  |
Electric revenue | 10,903 | 11,291 | 9,534
Industries Directly Served [Member] |  |  |
Electric revenue | $ 864 | $ 926 | $ 707

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