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Regulatory and Rate Matters - 2028 Resource Application (Narrative) (Details) - PNM	Nov. 22, 2024 MW
Energy Storage Agreements
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	150
Purchased Power Agreements
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	167
Certificate Of Convenience And Necessity, Solar Facility
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	100
Certificate Of Convenience And Necessity, Battery
Public Utilities, General Disclosures [Line Items]
Number of megawatts available in purchase power agreement (in megawatts)	30
Number of megawatts available in purchase power agreement, increase	20

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