Regulatory and Rate Matters - HB 5247, Energy Efficiency and System Resiliency Plan (“SRP”) (Details) - USD ($) $ in Millions |
9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Sep. 01, 2026 |
Sep. 30, 2026 |
May 29, 2026 |
Nov. 14, 2025 |
Mar. 26, 2025 |
Dec. 11, 2024 |
Aug. 28, 2024 |
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| Public Utilities, General Disclosures [Line Items] | |||||||
| UTM regulatory asset | $ 20.5 | $ 20.5 | |||||
| UTM regulatory asset | 13.9 | 13.9 | |||||
| Capital investments | $ 28.7 | ||||||
| Texas-New Mexico Power Company | |||||||
| Public Utilities, General Disclosures [Line Items] | |||||||
| Energy efficiency cost recovery | $ 9.5 | $ 8.1 | |||||
| Energy efficiency cost recovery factor, performance bonus | $ 1.2 | $ 2.5 | |||||
| Texas-New Mexico Power Company | System Resiliency Plan | |||||||
| Public Utilities, General Disclosures [Line Items] | |||||||
| Capital investment | $ 545.8 | $ 565.8 | $ 600.0 | ||||
| Cost related to investment | $ 86.1 | $ 128.2 | $ 151.0 | ||||
| Investment owned, net assets, percentage | 94.00% | ||||||
| Capital investments | $ 28.7 |
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- Definition Energy Efficiency Cost Recovery Factor No definition available.
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- Definition Energy Efficiency Cost Recovery Factor, Performance Bonus No definition available.
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- Definition Public Utilities, Incremental Increase In Revenue Requirement, Distribution Cost Recovery Factor, Capital Investments No definition available.
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- Definition Public Utilities, Incremental Increase In Revenue Requirement, Distribution Cost Recovery Factor, Unified Tracker Mechanism Deferred Revenue, Regulatory Asset No definition available.
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- Definition Public Utilities, Incremental Increase In Revenue Requirement, Transmission Cost of Service, Unified Tracker Mechanism Deferred Revenue Regulatory Asset No definition available.
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- Definition Cost of the investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of principal of investment owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of investment owned to net assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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