Borrowings (Tables)

9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Schedule of Borrowings

The following table summarizes the borrowings under the various debt facilities as of September 30, 2025 and December 31, 2024:

	September 30, 2025		December 31, 2024
OPAL Term Loan and Revolving Loan	$	331,618	$	286,617
Less: unamortized debt issuance costs	(8,945)		(9,122)
Less: current portion	(9,349)		(10,865)
OPAL Term Loan and Revolving Loan, net of debt issuance costs	313,324		266,630
Sunoma Loan	19,539		20,846
Less: unamortized debt issuance costs	(607)		(717)
Less: current portion	(1,861)		(1,756)
Sunoma Loan, net of debt issuance costs	17,071		18,373
Non-current borrowings total	$	330,395	$	285,003

Schedule of Principal Maturities of Debt

As of September 30, 2025, principal maturities of debt are expected as follows, excluding any undrawn debt facilities as of the date of the condensed consolidated balance sheets:

	OPAL Term Loan		Sunoma Loan		Total
Fiscal year:
Three months ending December 31, 2025	$	—	$	449	$	449
2026	12,465		1,898		14,363
2027	12,465		2,051		14,516
2028	306,688		2,213		308,901
2029	—		2,395		2,395
2030	—		2,589		2,589
Thereafter	—		7,944		7,944
	$	331,618	$	19,539	$	351,157

Schedule of Interest Expense on Borrowings

The following table summarizes the Company's total interest expense for the three and nine months ended September 30, 2025 and 2024:

	Three Months Ended September 30, 2025				Nine Months Ended September 30,
	2025		2024		2025		2024
Sunoma Loan	$	420	$	429	$	1,228	$	1,330
OPAL Term Loan (1)	5,568		4,023		15,879		10,341
Commitment fees and other finance fees	449		667		1,405		2,141
Amortization of deferred financing cost	722		191		1,524		1,310
Interest expense on finance leases	25		144		235		432
Interest income	(286)		(428)		(941)		(1,578)
Total interest and financing expense	$	6,898	$	5,026	$	19,330	$	13,976

(1) Excludes $841 and $1,019 of interest capitalized and recorded as part of Property, Plant and Equipment for the three months ended September 30, 2025 and 2024. Excludes $2,082 and $3,093 of interest capitalized and recorded as part of Property, Plant and Equipment for the nine months ended September 30, 2025 and 2024