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REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

9 Months Ended

Sep. 30, 2024

Revenue from Contract with Customer [Abstract]

Summary of Disaggregation of Revenue

The following table presents our revenue disaggregated by line of business and reportable segment for the three months ended September 30, 2024:

			North America Regions						U.S. Federal						Europe						Alternative Fuels						All Other						Total
Project revenue			$	258,977					$	66,162					$	49,943					$	10,295					$	—					$	385,377
O&M revenue			10,284						15,817						480						1,844						—						28,425
Energy assets			20,444						7,096						197						31,393						—						59,130
Other			1,906						38						1,993						5						23,999						27,941
Total revenues			$	291,611					$	89,113					$	52,613					$	43,537					$	23,999					$	500,873

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

			North America Regions						U.S. Federal						Europe						Alternative Fuels						All Other						Total
Project revenue			$	133,169					$	71,779					$	37,736					$	—					$	—					$	242,684
O&M revenue			6,369						13,838						492						2,073						—						22,772
Energy assets			17,185						1,495						326						25,227						26						44,259
Other			977						229						1,946						19						22,263						25,434
Total revenues			$	157,700					$	87,341					$	40,500					$	27,319					$	22,289					$	335,149

The following table presents our revenue disaggregated by line of business and reportable segment for the nine months ended September 30, 2024:

			North America Regions						U.S. Federal						Europe						Alternative Fuels						All Other						Total
Project revenue			$	553,930					$	177,721					$	161,431					$	27,342					$	—					$	920,424
O&M revenue			25,728						45,723						2,122						6,357						—						79,930
Energy assets			53,944						12,749						557						88,421						29						155,700
Other			4,425						547						5,684						128						70,423						81,207
Total revenues			$	638,027					$	236,740					$	169,794					$	122,248					$	70,452					$	1,237,261

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

			North America Regions						U.S. Federal						Europe						Alternative Fuels						All Other						Total
Project revenue			$	376,984					$	181,232					$	95,335					$	—					$	1,250					$	654,801
O&M revenue			18,270						40,439						1,285						8,054						—						68,048
Energy assets			50,983						4,735						1,297						77,901						121						135,037
Other			3,776						510						5,204						19						65,870						75,379
Total revenues			$	450,013					$	226,916					$	103,121					$	85,974					$	67,241					$	933,265

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

			Three Months Ended September 30,												Nine Months Ended September 30,
			2024						2023						2024						2023
Percentage of revenue recognized over time			97%						95%						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 September 30,												Nine Months Ended September 30,
			2024						2023						2024						2023
United States			$	431,918					$	279,651					$	1,020,517					$	783,692
Canada			16,337						15,535						46,933						46,335
Europe			52,618						39,963						169,811						103,238
Total revenues			$	500,873					$	335,149					$	1,237,261					$	933,265

Summary of Contract with Customer, Asset and Liability

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

						September 30, 2024						December 31, 2023
Accounts receivable, net						$	230,298					$	153,362
Accounts receivable retainage, net						43,466						33,826
Contract Assets:
Costs and estimated earnings in excess of billings						$	572,804					$	636,163
Contract Liabilities:
Billings in excess of cost and estimated earnings						$	108,020					$	52,903
Billings in excess of cost and estimated earnings, non-current (1)						20,808						18,393
Total contract liabilities						$	128,828					$	71,296

			September 30, 2023						December 31, 2022
Accounts receivable, net			$	133,070					$	174,009
Accounts receivable retainage, net			33,459						38,057
Contract Assets:
Costs and estimated earnings in excess of billings			$	591,378					$	576,363
Contract Liabilities:
Billings in excess of cost and estimated earnings			$	36,880					$	34,796
Billings in excess of cost and estimated earnings, non-current (1)			15,622						7,617
Total contract liabilities			$	52,502					$	42,413
(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.

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

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