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Electric Operating Revenues (Tables)
9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
A disaggregation of revenues from contracts with customers by the type of customer is presented in the table below.

PNMTNMP
TXNM
Three Months Ended September 30, 2025(In thousands)
Electric Operating Revenues:
Contracts with customers:
Retail electric revenue
Residential$187,307 $77,362 $264,669 
Commercial149,470 51,458 200,928 
Industrial38,725 17,812 56,537 
Public authority7,789 2,212 10,001 
Economy energy service5,772 — 5,772 
Transmission37,874 43,021 80,895 
Wholesale energy sales
34,774 — 34,774 
Miscellaneous1,739 973 2,712 
Total revenues from contracts with customers
463,450 192,838 656,288 
Alternative revenue programs(2,236)(9,396)(11,632)
Other electric operating revenues 2,506 — 2,506 
Total Electric Operating Revenues
$463,720 $183,442 $647,162 
Nine Months Ended September 30, 2025
Electric Operating Revenues:
Contracts with customers:
Retail electric revenue
Residential$431,870 $180,319 $612,189 
Commercial363,468 142,879 506,347 
Industrial107,016 43,663 150,679 
Public authority18,502 6,194 24,696 
Economy energy service23,770 — 23,770 
Transmission109,243 124,519 233,762 
Wholesale energy sales
71,598 — 71,598 
Miscellaneous4,600 2,878 7,478 
Total revenues from contracts with customers
1,130,067 500,452 1,630,519 
Alternative revenue programs154 (3,550)(3,396)
Other electric operating revenues5,251 — 5,251 
Total Electric Operating Revenues
$1,135,472 $496,902 $1,632,374 
PNMTNMPTXNM
Three Months Ended September 30, 2024(In thousands)
Electric Operating Revenues:
Contracts with customers:
Retail electric revenue
Residential$174,765 $67,004 $241,769 
Commercial149,245 45,735 194,980 
Industrial31,841 7,106 38,947 
Public authority7,433 1,920 9,353 
Economy energy service3,662 — 3,662 
Transmission35,671 39,195 74,866 
Wholesale energy sales
8,311 — 8,311 
Miscellaneous1,511 916 2,427 
Total revenues from contracts with customers
412,439 161,876 574,315 
Alternative revenue programs(7,864)861 (7,003)
Other electric operating revenues1,944 — 1,944 
Total Electric Operating Revenues
$406,519 $162,737 $569,256 
Nine Months Ended September 30, 2024
Electric Operating Revenues:
Contracts with customers:
Retail electric revenue
Residential$416,216 $155,812 $572,028 
Commercial358,511 121,777 480,288 
Industrial90,811 24,878 115,689 
Public authority17,047 5,376 22,423 
Economy energy service15,257 — 15,257 
Transmission105,153 117,120 222,273 
Wholesale energy sales
43,508 — 43,508 
Miscellaneous4,324 2,835 7,159 
Total revenues from contracts with customers
1,050,827 427,798 1,478,625 
Alternative revenue programs(5,128)18,132 13,004 
Other electric operating revenues2,606 — 2,606 
Total Electric Operating Revenues
$1,048,305 $445,930 $1,494,235