v3.25.1
Cover Page
May 19, 2025
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date May 19, 2025
Entity File Number 001-32462
Entity Registrant Name TXNM Energy, Inc.
Entity Tax Identification Number 85-0468296
Entity Incorporation, State or Country Code NM
Entity Address, Address Line One 414 Silver Ave. SW
Entity Address, City or Town Albuquerque
Entity Address, State or Province NM
Entity Address, Postal Zip Code 87102-3289
City Area Code 505
Local Phone Number 241-2700
Written Communications false
Soliciting Material true
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, no par value
Trading Symbol TXNM
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001108426
Amendment Flag false
Texas-New Mexico Power Company  
Entity Information [Line Items]  
Entity File Number 002-97230
Entity Registrant Name Texas-New Mexico Power Company
Entity Tax Identification Number 75-0204070
Entity Address, Address Line One 577 N. Garden Ridge Blvd.
Entity Address, City or Town Lewisville
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75067
City Area Code 972
Local Phone Number 420-4189