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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2024
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions | The table below summarizes the nature and amount of related party transactions of TXNM, PNM and TNMP:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
|  |  | (In thousands) |  |
Services billings: |  |  |  |  |
TXNM to PNM | $ | 132,209 |  |  | $ | 124,321 |  |  | $ | 115,415 |
TXNM to TNMP | 53,166 |  |  | 47,470 |  |  | 42,293 |
PNM to TNMP | 440 |  |  | 349 |  |  | 411 |
TNMP to TXNM | 114 |  |  | 141 |  |  | 141 |
TNMP to PNM | 497 |  |  | — |  |  | — |
TXNM to NMRD | 66 |  |  | 333 |  |  | 308 |
Renewable energy purchases: |  |  |  |  |
PNM from NMRD | 1,523 |  |  | 12,717 |  |  | 11,795 |
Interest billings: |  |  |  |  |
TXNM to PNM | 142 |  |  | 23 |  |  | 13 |
PNM to TXNM | 612 |  |  | 582 |  |  | 249 |
TXNM to TNMP | 210 |  |  | 129 |  |  | 166 |
Income tax sharing payments: |  |  |  |  |
TXNM to PNM | 2,351 |  |  | 5,338 |  |  | — |
PNM to TXNM | — |  |  | — |  |  | 11,602 |
TNMP to TXNM | 10,312 |  |  | 15,749 |  |  | 8,341 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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