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v3.24.2

Revenue Customer Type (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) Units | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) Units | Jun. 30, 2023 USD ($)
Revenue, Major Customer [Line Items] |  |  |  |
MLGW's % of operating revenues |  |  | 800.00% | 800.00%
NES's % of operating revenues |  |  | 800.00% | 800.00%
Off System Sales of Electricity | $ 2 | $ 2 | $ 6 | $ 9
Bill credits for LTA | $ (51) | (45) | $ (152) | (140)
Number of LPCs signed LTA | Units | 147 |  | 147 |
Number of LPCs signed Flexibility Agreement | Units | 97 |  | 97 |
Percent of sales of electricity to LPCs | 92.00% |  | 92.00% |
Pre-commercial Ops - capitalized revenue | $ 0 | 0 | $ (3) | 0
Regulated Operating Revenue | 2,830 | 2,664 | 8,654 | 8,551
Unregulated Operating Revenue | 49 | 34 | 144 | 121
Regulated and Unregulated Operating Revenue | 2,879 | 2,698 | 8,798 | 8,672
lpcs [Domain] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 2,596 | 2,431 | 7,925 | 7,811
industries directly served [Domain] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 205 | 203 | 642 | 645
federal agencies and other [Domain] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 29 | 30 | 90 | 95
ALABAMA |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 409 | 388 | 1,274 | 1,244
GEORGIA |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 65 | 59 | 214 | 207
KENTUCKY |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 179 | 172 | 557 | 562
MISSISSIPPI |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 277 | 263 | 816 | 814
NORTH CAROLINA |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 19 | 17 | 70 | 67
TENNESSEE |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | 1,869 | 1,754 | 5,685 | 5,613
VIRGINIA |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Regulated Operating Revenue | $ 10 | $ 9 | $ 35 | $ 35

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