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v3.22.2.2

Report of Business Segments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | $ 1,270.8 |  |  | $ 864.4 |  |  | $ 2,663.8 | $ 3,072.4 |
Fuel, purchased power and direct transmission expense | 673.8 |  |  | 330.1 |  |  | 1,322.8 | 1,876.9 |
Other operation and maintenance | 131.4 |  |  | 115.4 |  |  | 364.5 | 343.9 |
Depreciation and amortization | 122.4 |  |  | 108.6 |  |  | 341.4 | 310.2 |
Taxes other than income | 25.3 |  |  | 25.5 |  |  | 77.5 | 78.5 |
OPERATING INCOME | 317.9 |  |  | 284.8 |  |  | 557.6 | 462.9 |
Income (Loss) from Equity Method Investments | 0.0 |  |  | 41.2 |  |  | 0.0 | 127.9 |
Other income (expense) | (0.7) |  |  | 2.1 |  |  | 20.3 | 2.9 |
Interest expense | 42.2 |  |  | 39.5 |  |  | 124.7 | 118.8 |
Income tax expense | 51.6 |  |  | 36.1 |  |  | 119.9 | 56.8 |
Net income (loss) | 262.8 | $ 73.1 | $ 279.5 | 252.5 | $ 112.9 | $ 52.7 | 615.4 | 418.1 |
Investment in unconsolidated affiliates |  |  |  | 449.5 |  |  |  | 449.5 |
Total assets | 12,604.0 |  |  | 12,177.5 |  |  | 12,604.0 | 12,177.5 | $ 12,606.4
Gain (Loss) on Disposition of Assets |  |  |  |  |  |  |  | 127.9 |
Equity Securities, FV-NI, Gain (Loss) | 39.4 |  |  | 0.0 |  |  | 282.1 | 0.0 |
Electric Utility [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 1,270.8 |  |  | 864.4 |  |  | 2,663.8 | 3,072.4 |
Fuel, purchased power and direct transmission expense |  |  |  |  |  |  | 1,322.8 | 1,876.9 |
Other operation and maintenance |  |  |  |  |  |  | 355.3 | 344.4 |
Depreciation and amortization |  |  |  |  |  |  | 341.4 | 310.2 |
Taxes other than income |  |  |  |  |  |  | 74.6 | 75.3 |
OPERATING INCOME | 328.6 |  |  | 285.3 |  |  | 569.7 | 465.6 |
Income (Loss) from Equity Method Investments |  |  |  | 0.0 |  |  |  | 0.0 |
Other income (expense) | 5.6 |  |  | 2.9 |  |  | 6.0 | 5.8 |
Interest expense | 40.2 |  |  | 38.0 |  |  | 118.2 | 114.3 |
Income tax expense | 40.9 |  |  | 26.4 |  |  | 64.7 | 37.0 |
Net income (loss) | 253.1 |  |  | 223.8 |  |  | 392.8 | 320.1 |
Investment in unconsolidated affiliates |  |  |  | 0.0 |  |  |  | 0.0 |
Total assets | 12,233.8 |  |  | 11,597.9 |  |  | 12,233.8 | 11,597.9 |
Equity Securities, FV-NI, Gain (Loss) | 0.0 |  |  |  |  |  | 0.0 |  |
Natural Gas Midstream Operations [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Fuel, purchased power and direct transmission expense | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Other operation and maintenance | 10.5 |  |  | 0.3 |  |  | 11.7 | 2.3 |
Depreciation and amortization | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Taxes other than income | 0.1 |  |  | 0.1 |  |  | 0.2 | 0.3 |
OPERATING INCOME | (10.6) |  |  | (0.4) |  |  | (11.9) | (2.6) |
Income (Loss) from Equity Method Investments |  |  |  | 41.2 |  |  |  | 127.9 |
Other income (expense) | (7.8) |  |  | (0.5) |  |  | 13.3 | (1.2) |
Interest expense | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Income tax expense | 4.9 |  |  | 9.5 |  |  | 56.2 | 23.2 |
Net income (loss) | 16.1 |  |  | 30.8 |  |  | 227.3 | 100.9 |
Investment in unconsolidated affiliates |  |  |  | 449.5 |  |  |  | 449.5 |
Total assets | 1.3 |  |  | 451.8 |  |  | 1.3 | 451.8 |
Equity Securities, FV-NI, Gain (Loss) | 39.4 |  |  |  |  |  | 282.1 |  |
Other Operations [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Fuel, purchased power and direct transmission expense | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Other operation and maintenance | (0.6) |  |  | (0.7) |  |  | (2.5) | (2.8) |
Depreciation and amortization | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Taxes other than income | 0.7 |  |  | 0.8 |  |  | 2.7 | 2.9 |
OPERATING INCOME | (0.1) |  |  | (0.1) |  |  | (0.2) | (0.1) |
Income (Loss) from Equity Method Investments |  |  |  | 0.0 |  |  |  | 0.0 |
Other income (expense) | 2.6 |  |  | (0.2) |  |  | 2.6 | (0.8) |
Interest expense | 3.1 |  |  | 1.6 |  |  | 8.1 | 5.4 |
Income tax expense | 5.8 |  |  | 0.2 |  |  | (1.0) | (3.4) |
Net income (loss) | (6.4) |  |  | (2.1) |  |  | (4.7) | (2.9) |
Investment in unconsolidated affiliates |  |  |  | 0.0 |  |  |  | 0.0 |
Total assets | 933.9 |  |  | 293.3 |  |  | 933.9 | 293.3 |
Equity Securities, FV-NI, Gain (Loss) | 0.0 |  |  |  |  |  | 0.0 |  |
Eliminations [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Fuel, purchased power and direct transmission expense | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Other operation and maintenance | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Depreciation and amortization | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Taxes other than income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
OPERATING INCOME | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments |  |  |  | 0.0 |  |  |  | 0.0 |
Other income (expense) | (1.1) |  |  | (0.1) |  |  | (1.6) | (0.9) |
Interest expense | (1.1) |  |  | (0.1) |  |  | (1.6) | (0.9) |
Income tax expense | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Net income (loss) | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |
Investment in unconsolidated affiliates |  |  |  | 0.0 |  |  |  | 0.0 |
Total assets | (565.0) |  |  | $ (165.5) |  |  | (565.0) | $ (165.5) |
Equity Securities, FV-NI, Gain (Loss) | $ 0.0 |  |  |  |  |  | $ 0.0 |  |

X
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