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Construction Program and Jointly-Owned Electric Generating Plants - Summary of Budgeted Construction Expenditures (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($)
Summary of Budgeted Construction Expenditures [Line Items] |
2020 | $ 811.7
2021 | 992.4
2022 | 694.6
2023 | 771.0
2024 | 546.4
Total | 3,816.1
Public Service Company of New Mexico |
Summary of Budgeted Construction Expenditures [Line Items] |
2020 | 447.5
2021 | 701.4
2022 | 331.6
2023 | 398.0
2024 | 280.4
Total | 2,158.9
Anticipated expansion of transmission system | 376.8
Public Service Company of New Mexico | Solar |
Summary of Budgeted Construction Expenditures [Line Items] |
2020 | 297.6
Texas-New Mexico Power Company |
Summary of Budgeted Construction Expenditures [Line Items] |
2020 | 337.2
2021 | 270.0
2022 | 342.0
2023 | 348.0
2024 | 245.0
Total | 1,542.2
Corporate and Other |
Summary of Budgeted Construction Expenditures [Line Items] |
2020 | 27.0
2021 | 21.0
2022 | 21.0
2023 | 25.0
2024 | 21.0
Total | $ 115.0

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