XML 94 R97.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Construction Program and Jointly-Owned Electric Generating Plants - Summary of Budgeted Construction Expenditures (Details)
$ in Millions
 12 Months Ended
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