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Regulatory and Rate Matters - PVNGS Leased Interest Abandonment Application (Details) - PNM	Dec. 05, 2022 MW	Sep. 30, 2022 MW	Apr. 02, 2021 lease MW
Public Utilities, General Disclosures [Line Items]
Number of leases under which lease term was extended | lease			5
NM 2022 Rate Case
Public Utilities, General Disclosures [Line Items]
Megawatt repurchase (in megawatts)	64.1
Leased Interest Termination On January 15, 2023
Public Utilities, General Disclosures [Line Items]
Number of leases under which lease term was extended | lease			4
Solar Agreement
Public Utilities, General Disclosures [Line Items]
Solar distributed generation (in mw)		300
Battery Storage Agreement
Public Utilities, General Disclosures [Line Items]
Solar distributed generation (in mw)		300
NMPRC | Leased Interest Termination On January 15, 2023
Public Utilities, General Disclosures [Line Items]
Solar distributed generation (in mw)			104
NMPRC | Leased Interest Termination On January 15, 2024
Public Utilities, General Disclosures [Line Items]
Solar distributed generation (in mw)			10

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Public Utilities, Solar generation capacity in Megawatts

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