Revenue from contracts with customers (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation

In the following table, 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 17.


Year ended December 31, 2022	Electric		Natural gas distribution		Pipeline		Construction materials and contracting		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	138,634	$	718,191	$	—	$	—	$	—	$	—	$	856,825
Commercial utility sales	146,182		453,802		—		—		—		—		599,984
Industrial utility sales	43,766		41,710		—		—		—		—		85,476
Other utility sales	7,597		—		—		—		—		—		7,597
Natural gas transportation	—		48,886		129,290		—		—		—		178,176
Natural gas storage	—		—		14,583		—		—		—		14,583
Contracting services	—		—		—		1,187,721		—		—		1,187,721
Construction materials	—		—		—		1,940,890		—		—		1,940,890
Internal sales	—		—		—		(593,882)		—		—		(593,882)
Electrical & mechanical specialty contracting	—		—		—		—		1,988,729		—		1,988,729
Transmission & distribution specialty contracting	—		—		—		—		662,705		—		662,705
Other	45,608		13,617		11,450		—		436		17,605		88,716
Intersegment eliminations	(494)		(555)		(59,012)		(1,016)		(5,494)		(17,605)		(84,176)
Revenues from contracts with customers	381,293		1,275,651		96,311		2,533,713		2,646,376		—		6,933,344
Other revenues	(4,714)		(2,402)		256		—		47,380		—		40,520
Total external operating revenues	$	376,579	$	1,273,249	$	96,567	$	2,533,713	$	2,693,756	$	—	$	6,973,864


Year ended December 31, 2021	Electric		Natural gas distribution		Pipeline		Construction materials and contracting		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	126,841	$	544,721	$	—	$	—	$	—	$	—	$	671,562
Commercial utility sales	137,556		328,285		—		—		—		—		465,841
Industrial utility sales	41,757		30,964		—		—		—		—		72,721
Other utility sales	7,051		—		—		—		—		—		7,051
Natural gas transportation	—		48,408		114,001		—		—		—		162,409
Natural gas storage	—		—		14,680		—		—		—		14,680
Contracting services	—		—		—		1,017,471		—		—		1,017,471
Construction materials	—		—		—		1,712,503		—		—		1,712,503
Internal sales	—		—		—		(501,044)		—		—		(501,044)
Electrical & mechanical specialty contracting	—		—		—		—		1,324,419		—		1,324,419
Transmission & distribution specialty contracting	—		—		—		—		677,074		—		677,074
Other	42,902		10,567		13,667		—		557		13,714		81,407
Intersegment eliminations	(543)		(576)		(59,678)		(624)		(2,555)		(13,630)		(77,606)
Revenues from contracts with customers	355,564		962,369		82,670		2,228,306		1,999,495		84		5,628,488
Other revenues	(6,525)		8,995		188		—		49,587		—		52,245
Total external operating revenues	$	349,039	$	971,364	$	82,858	$	2,228,306	$	2,049,082	$	84	$	5,680,733


Year ended December 31, 2020	Electric		Natural gas distribution		Pipeline		Construction materials and contracting		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	122,663	$	476,388	$	—	$	—	$	—	$	—	$	599,051
Commercial utility sales	131,477		277,873		—		—		—		—		409,350
Industrial utility sales	36,744		26,243		—		—		—		—		62,987
Other utility sales	6,634		—		—		—		—		—		6,634
Natural gas transportation	—		45,546		111,686		—		—		—		157,232
Natural gas gathering	—		—		4,865		—		—		—		4,865
Natural gas storage	—		—		14,918		—		—		—		14,918
Contracting services	—		—		—		1,069,665		—		—		1,069,665
Construction materials	—		—		—		1,659,152		—		—		1,659,152
Internal sales	—		—		—		(550,815)		—		—		(550,815)
Electrical & mechanical specialty contracting	—		—		—		—		1,397,124		—		1,397,124
Transmission & distribution specialty contracting	—		—		—		—		649,486		—		649,486
Other	32,452		10,753		12,216		—		1,541		11,903		68,865
Intersegment eliminations	(491)		(534)		(58,531)		(417)		(5,038)		(11,958)		(76,969)
Revenues from contracts with customers	329,479		836,269		85,154		2,177,585		2,043,113		(55)		5,471,545
Other revenues	2,059		11,382		192		—		47,572		—		61,205
Total external operating revenues	$	331,538	$	847,651	$	85,346	$	2,177,585	$	2,090,685	$	(55)	$	5,532,750

Contract balances

The changes in contract assets and liabilities were as follows:


	December 31, 2022		December 31, 2021		Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	185,289	$	125,742	$	59,547	Receivables, net
Contract liabilities - current	(208,204)		(179,140)		(29,064)		Accounts payable
Contract liabilities - noncurrent	(6)		(118)		112		Noncurrent liabilities - other
Net contract liabilities	$	(22,921)	$	(53,516)	$	30,595


	December 31, 2021		December 31, 2020		Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	125,742	$	104,345	$	21,397	Receivables, net
Contract liabilities - current	(179,140)		(158,603)		(20,537)		Accounts payable
Contract liabilities - noncurrent	(118)		(52)		(66)		Noncurrent liabilities - other
Net contract liabilities	$	(53,516)	$	(54,310)	$	794