Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2022

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 March 31, 2022:


	U.S. Regions		U.S. Federal		Canada		Non-Solar DG		All Other		Total
Project revenue	$	298,632	$	62,217	$	13,951	$	—	$	18,604	$	393,404
O&M revenue	5,080		12,297		11		2,774		91		20,253
Energy assets	10,018		1,090		761		26,487		72		38,428
Integrated-PV	—		—		—		—		11,356		11,356
Other	790		42		2,449		—		7,280		10,561
Total revenues	$	314,520	$	75,646	$	17,172	$	29,261	$	37,403	$	474,002

The following table presents our revenue disaggregated by line of business and reportable segment for the three months ended March 31, 2021:


	U.S. Regions		U.S. Federal		Canada		Non-Solar DG		All Other		Total
Project revenue	$	75,812	$	90,089	$	9,001	$	—	$	5,791	$	180,693
O&M revenue	4,415		11,440		26		2,532		71		18,484
Energy assets	8,802		664		747		22,939		135		33,287
Integrated-PV	—		—		—		—		9,154		9,154
Other	215		21		1,869		109		8,370		10,584
Total revenues	$	89,244	$	102,214	$	11,643	$	25,580	$	23,521	$	252,202

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


	Three Months Ended March 31,
	2022	2021
Percentage of revenue recognized over time	96%	94%

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 March 31,
	2022		2021
United States	$	438,391	$	234,009
Canada	15,988		10,853
Other	19,623		7,340
Total revenues	$	474,002	$	252,202

Summary of Contract with Customer, Asset and Liability

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


	March 31, 2022		December 31, 2021
Accounts receivable, net	$	204,082	$	161,970
Accounts receivable retainage, net	$	40,555	$	43,067

Contract Assets:
Costs and estimated earnings in excess of billings	$	460,240	$	306,172

Contract Liabilities:
Billings in excess of cost and estimated earnings	$	31,729	$	35,918
Billings in excess of cost and estimated earnings, non-current (1)	6,322		6,481
Total contract liabilities	$	38,051	$	42,399


	March 31, 2021		December 31, 2020
Accounts receivable, net	$	113,095	$	125,010
Accounts receivable retainage, net	$	32,071	$	30,189

Contract Assets:
Costs and estimated earnings in excess of billings	$	179,474	$	185,960

Contract Liabilities:
Billings in excess of cost and estimated earnings	$	30,211	$	33,984
Billings in excess of cost and estimated earnings, non-current (1)	6,590		6,631
Total contract liabilities	$	36,801	$	40,615

(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.