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Regulatory and Rate Matters (Tables) | 12 Months Ended
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Dec. 31, 2024
Regulated Operations [Abstract] |
Schedule of PNM’s Revenues Recorded for the Renewable Energy Rider | The following sets forth PNM’s revenues recorded for the renewable energy rider:
Year Ended |  | Annual Revenues
|  | (In millions)
2022 |  | $60.3
2023 |  | 56.9
2024 |  | 52.0
Schedule of Rate Increases for Transmission Costs | The following sets forth TNMP’s EECRF increases:
Effective Date |  | Aggregate Collection Amount |  | Performance Bonus
|  | (In millions)
March 1, 2022 |  | $ | 7.2 |  |  | $ | 2.3 |
March 1, 2023 |  | 7.3 |  |  | 1.9
March 1, 2024 |  | 6.6 |  |  | 1.2
The following sets forth TNMP’s recent interim transmission cost rate increases:
Effective Date |  | Approved Increase in Rate Base |  | Annual Increase in Revenue
|  | (In millions)
March 25, 2022 |  | $ | 95.6 |  |  | $ | 14.2 |
September 22, 2022 |  | 36.0 |  |  | 5.3 |
May 12, 2023 |  | 150.5 |  |  | 19.4 |
September 6, 2023 |  | 21.4 |  |  | 4.2 |
March 15, 2024 |  | 97.4 |  |  | 13.1 |
September 20, 2024 |  | 20.6 |  |  | 3.9 |
The following sets forth TNMP’s recent interim distribution rate increases:
Effective Date |  | Approved Increase in Rate Base |  | Annual Increase in Revenue
|  | (In millions)
September 1, 2022 |  | $ | 95.7 |  |  | $ | 6.8 |
September 1, 2023 |  | 157.0 |  |  | 14.5 |
July 28, 2024 |  | 205.9 |  |  | 15.6 |
November 17, 2024 |  | 43.7 |  |  | 7.7 |

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