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Commitments and Contingencies - Unconditional Purchase Obligations (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Minimum future commitments for purchase obligations |
Total Amounts Committed | $ 9,574.0
2025 | 1,437.9
2026 | 1,183.1
2027 | 1,183.1
2028 | 1,186.8
2029 | 1,129.2
Later Years | 3,453.9
Nuclear | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 5,680.3
2025 | 634.5
2026 | 681.6
2027 | 730.4
2028 | 782.6
2029 | 838.5
Later Years | 2,012.7
Coal supply and transportation | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 343.4
2025 | 303.0
2026 | 33.5
2027 | 3.3
2028 | 1.7
2029 | 1.9
Later Years | 0.0
Purchased power | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 394.3
2025 | 59.7
2026 | 61.4
2027 | 56.1
2028 | 52.2
2029 | 25.5
Later Years | 139.4
Other | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 80.2
2025 | 10.0
2026 | 10.1
2027 | 8.7
2028 | 7.1
2029 | 6.3
Later Years | 38.0
Supply and transportation | Natural gas |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 2,448.0
2025 | 388.5
2026 | 357.9
2027 | 345.2
2028 | 302.6
2029 | 217.5
Later Years | 836.3
Non-Utility Energy Infrastructure | Purchased power | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 623.0
2025 | 38.2
2026 | 38.6
2027 | 39.3
2028 | 40.6
2029 | 39.4
Later Years | 426.9
Non-Utility Energy Infrastructure | Natural gas storage and transportation | Natural gas |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 4.8
2025 | 4.0
2026 | 0.0
2027 | 0.1
2028 | 0.0
2029 | 0.1
Later Years | $ 0.6

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- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

X
- Definition Amount of purchase arrangement to be paid after fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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