Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

The following table presents our revenue disaggregated by line of business and reportable segment for the three months ended June 30, 2023:


	U.S. Regions		U.S. Federal		Canada		Alternative Fuels		All Other		Total
Project revenue	$	113,502	$	63,904	$	11,082	$	—	$	40,399	$	228,887
O&M revenue	6,309		13,901		53		2,295		460		23,018
Energy assets	18,057		2,164		1,334		28,021		430		50,006
Integrated-PV	—		—		—		—		11,486		11,486
Other	1,117		50		2,726		—		9,784		13,677
Total revenues	$	138,985	$	80,019	$	15,195	$	30,316	$	62,559	$	327,074

The following table presents our revenue disaggregated by line of business and reportable segment for the three months ended June 30, 2022:


	U.S. Regions		U.S. Federal		Canada		Alternative Fuels		All Other		Total
Project revenue	$	378,646	$	85,850	$	10,160	$	—	$	14,464	$	489,120
O&M revenue	5,457		13,365		11		2,122		95		21,050
Energy assets	12,253		2,074		1,487		27,070		39		42,923
Integrated-PV	—		—		—		—		12,267		12,267
Other	1,029		139		2,803		—		8,066		12,037
Total revenues	$	397,385	$	101,428	$	14,461	$	29,192	$	34,931	$	577,397

The following table presents our revenue disaggregated by line of business and reportable segment for the six months ended June 30, 2023:


	U.S. Regions		U.S. Federal		Canada		Alternative Fuels		All Other		Total
Project revenue	$	217,822	$	109,453	$	25,993	$	—	$	58,849	$	412,117
O&M revenue	11,838		26,601		63		5,981		793		45,276
Energy assets	31,708		3,240		2,096		52,674		1,060		90,778
Integrated-PV	—		—		—		—		23,430		23,430
Other	1,986		281		5,454		—		18,794		26,515
Total revenues	$	263,354	$	139,575	$	33,606	$	58,655	$	102,926	$	598,116

The following table presents our revenue disaggregated by line of business and reportable segment for the six months ended June 30, 2022:


	U.S. Regions		U.S. Federal		Canada		Alternative Fuels		All Other		Total
Project revenue	$	677,278	$	148,067	$	24,111	$	—	$	33,068	$	882,524
O&M revenue	10,537		25,662		22		4,896		186		41,303
Energy assets	22,271		3,164		2,248		53,557		111		81,351
Integrated-PV	—		—		—		—		23,623		23,623
Other	1,819		181		5,252		—		15,346		22,598
Total revenues	$	711,905	$	177,074	$	31,633	$	58,453	$	72,334	$	1,051,399

The following table presents information related to our revenue recognized over time:


	Three Months Ended June 30,		Six Months Ended June 30,
	2023	2022	2023	2022
Percentage of revenue recognized over time	95%	97%	94%	97%

The remainder of our revenue is for products and services transferred at a point in time, at which point revenue is recognized.

We attribute revenues to customers based on the location of the customer. The following table presents information related to our revenues by geographic area:


	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
United States	$	270,957	$	548,880	$	504,041	$	987,271
Canada	13,566		13,025		30,800		29,013
Other	42,551		15,492		63,275		35,115
Total revenues	$	327,074	$	577,397	$	598,116	$	1,051,399

Summary of Contract with Customer, Asset and Liability

The following tables provide information about receivables, contract assets and contract liabilities from contracts with customers:


	June 30, 2023		December 31, 2022
Accounts receivable, net	$	123,361	$	174,009
Accounts receivable retainage, net	$	37,803	$	38,057
Contract Assets:
Costs and estimated earnings in excess of billings	$	575,113	$	576,363
Contract Liabilities:
Billings in excess of cost and estimated earnings	$	40,459	$	34,796
Billings in excess of cost and estimated earnings, non-current (1)	15,659		7,617
Total contract liabilities	$	56,118	$	42,413


	June 30, 2022		December 31, 2021
Accounts receivable, net	$	207,990	$	161,970
Accounts receivable retainage, net	$	43,444	$	43,067
Contract Assets:
Costs and estimated earnings in excess of billings	$	663,798	$	306,172
Contract Liabilities:
Billings in excess of cost and estimated earnings	$	39,787	$	35,918
Billings in excess of cost and estimated earnings, non-current (1)	$	6,175	$	6,481
Total contract liabilities	$	45,962	$	42,399

(1) Performance obligations that are expected to be completed beyond the next twelve months and are included in other liabilities in the condensed consolidated balance sheets.