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v3.23.1

Segment Information - Schedule of Gross Margin (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |
Gross margin | $ 186,711 | $ 154,240
Transmission and distribution costs | 22,196 | 18,466
Depreciation and amortization | 71,126 | 69,432
Utility margin | 302,391 | 275,704
Energy Production |  |
Segment Reporting Information [Line Items] |  |
Energy production costs | 22,358 | 33,566
Public Service Company of New Mexico |  |
Segment Reporting Information [Line Items] |  |
Gross margin | 140,381 | 108,928
Transmission and distribution costs | 13,887 | 11,611
Depreciation and amortization | 43,686 | 45,790
Utility margin | 220,312 | 199,895
Public Service Company of New Mexico | Energy Production |  |
Segment Reporting Information [Line Items] |  |
Energy production costs | 22,358 | 33,566
Texas-New Mexico Power Company |  |
Segment Reporting Information [Line Items] |  |
Gross margin | 46,330 | 45,312
Transmission and distribution costs | 8,309 | 6,855
Depreciation and amortization | 27,440 | 23,642
Utility margin | 82,079 | 75,809
Texas-New Mexico Power Company | Energy Production |  |
Segment Reporting Information [Line Items] |  |
Energy production costs | 0 | 0
Corporate and Other |  |
Segment Reporting Information [Line Items] |  |
Gross margin | 0 | 0
Transmission and distribution costs | 0 | 0
Depreciation and amortization | 0 | 0
Utility margin | 0 | 0
Corporate and Other | Energy Production |  |
Segment Reporting Information [Line Items] |  |
Energy production costs | $ 0 | $ 0

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