Revenues (Tables)

12 Months Ended

Dec. 31, 2024

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables disaggregate revenues by major source, timing of revenue recognition, and segment:

	Year ended December 31, 2024						Year ended December 31, 2023
(in thousands)	Electric  utility		Other		Total		Electric  utility		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	1,012,620	$	—	$	1,012,620	$	1,026,321	$	—	$	1,026,321
Electric energy sales - commercial	1,013,189		—		1,013,189		1,044,045		—		1,044,045
Electric energy sales - large light and power	1,123,884		—		1,123,884		1,141,128		—		1,141,128
Electric energy sales - other	18,682		—		18,682		19,471		—		19,471
Other sales	—		11,923		11,923		—		17,540		17,540
Total revenues from contracts with customers	3,168,375		11,923		3,180,298		3,230,965		17,540		3,248,505
Revenues from other sources
Regulatory revenue	(2,566)		—		(2,566)		3,708		—		3,708
Other	40,891		1,227		42,118		34,848		442		35,290
Total revenues from other sources	38,325		1,227		39,552		38,556		442		38,998
Total revenues	$	3,206,700	$	13,150	$	3,219,850	$	3,269,521	$	17,982	$	3,287,503
Timing of revenue recognition
Total revenues from contracts with customers - services/goods transferred over time	$	3,168,375	$	11,923	$	3,180,298	$	3,230,965	$	17,540	$	3,248,505