Public Utilities, Grid Modernization, Decrease In Operations And Maintenance Cost, Percent

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Public Utilities, Grid Modernization, Initial Term

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Public Utilities, Grid Modernization Investment

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Public Utilities, Grid Modernization, Investment Increase Period

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Public Utilities, Grid Modernization, Revenue Requirement Year One

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Public Utilities, Grid Modernization Term

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Public Utilities, Resource Portfolio Application, Proposed Megawatt Purchase

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Request For Proposal, New Energy Resource, Megawatts

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Regulatory and Rate Matters - 2023 IRP, 2028 Resource Application, Grid Modernization Application (Details) - Public Service Company of New Mexico $ in Millions				1 Months Ended
	May 29, 2026 MW	Jun. 20, 2025 USD ($)	Dec. 30, 2024 MW	Oct. 31, 2022 USD ($)	Mar. 16, 2026 USD ($)
Public Utilities, General Disclosures [Line Items]
Request for proposal, new energy resource, megawatts			900
Grid modernization investment \| $		$ 367.0		$ 344.0
Grid modernization, initial term				6 years
Grid modernization term				11 years
Grid modernization, investment increase period		6 years
Grid modernization, maintenance cost		0.18
Grid modernization, revenue \| $					$ 7.7
RFP Request, Period One
Public Utilities, General Disclosures [Line Items]
Request for proposal, new energy resource, megawatts			500
RFP Request, Period Two \| Minimum
Public Utilities, General Disclosures [Line Items]
Request for proposal, new energy resource, megawatts			900
RFP Request, Period Two \| Maximum
Public Utilities, General Disclosures [Line Items]
Request for proposal, new energy resource, megawatts			2,900
Solar Wind PPA
Public Utilities, General Disclosures [Line Items]
Resource portfolio application, proposed megawatt purchase	800
Solar PPA
Public Utilities, General Disclosures [Line Items]
Resource portfolio application, proposed megawatt purchase	240
Battery Storage ESA
Public Utilities, General Disclosures [Line Items]
Resource portfolio application, proposed megawatt purchase	610
Dispatchable Natural Gas Generation
Public Utilities, General Disclosures [Line Items]
Resource portfolio application, proposed megawatt purchase	40