Revenue from contracts with customers (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

In the following tables, revenue is disaggregated by the type of customer or service provided. The Company believes this level of disaggregation best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The table also includes a reconciliation of the disaggregated revenue by reportable segments. For more information on the Company's business segments, see Note 15.


Three Months Ended March 31, 2024	Electric		Natural gas distribution		Pipeline		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	39,222	$	263,103	$	—	$	—	$	—	$	302,325
Commercial utility sales	41,515		162,130		—		—		—		203,645
Industrial utility sales	11,349		14,579		—		—		—		25,928
Other utility sales	1,936		—		—		—		—		1,936
Natural gas transportation	—		14,591		43,637		—		—		58,228
Natural gas storage	—		—		5,382		—		—		5,382
Electrical & mechanical specialty contracting	—		—		—		439,378		—		439,378
Transmission & distribution specialty contracting	—		—		—		176,860		—		176,860
Other	15,630		3,201		2,256		46		1,433		22,566
Intersegment eliminations	(28)		(56)		(30,311)		(87)		(1,417)		(31,899)
Revenues from contracts with customers	109,624		457,548		20,964		616,197		16		1,204,349
Other revenues	(1,897)		1,921		47		9,405		—		9,476
Total external operating revenues	$	107,727	$	459,469	$	21,011	$	625,602	$	16	$	1,213,825


Three Months Ended March 31, 2023	Electric		Natural gas distribution		Pipeline		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	37,825	$	327,651	$	—	$	—	$	—	$	365,476
Commercial utility sales	36,347		204,927		—		—		—		241,274
Industrial utility sales	10,763		16,838		—		—		—		27,601
Other utility sales	1,774		—		—		—		—		1,774
Natural gas transportation	—		13,504		34,983		—		—		48,487
Natural gas storage	—		—		3,861		—		—		3,861
Electrical & mechanical specialty contracting	—		—		—		590,263		—		590,263
Transmission & distribution specialty contracting	—		—		—		152,022		—		152,022
Other	11,878		4,721		1,859		33		1,572		20,063
Intersegment eliminations	(27)		(70)		(26,270)		—		(1,572)		(27,939)
Revenues from contracts with customers	98,560		567,571		14,433		742,318		—		1,422,882
Other revenues	(2,863)		(1,974)		38		12,015		—		7,216
Total external operating revenues	$	95,697	$	565,597	$	14,471	$	754,333	$	—	$	1,430,098

Contract balances

The changes in contract assets and liabilities were as follows:


	March 31, 2024		December 31, 2023		Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	165,924	$	158,861	$	7,063	Receivables, net
Contract liabilities - current	(187,741)		(202,144)		14,403		Accounts payable
Contract liabilities - noncurrent	(2,161)		(291)		(1,870)		Noncurrent liabilities - other
Net contract liabilities	$	(23,978)	$	(43,574)	$	19,596