Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2023

Our operations included the following related party transactions (in thousands):


	Years Ended December 31,
		2023		2022		2021

Total revenue from related parties1		$	487,240	$	36,281	$	16,038
Cost of product revenue2		133		—		—
General and administrative expenses3		812		—		—
Interest expense4		84		—		—

1 Includes revenue from SK ecoplant for the year ended December 31, 2023, which became a related party on September 23, 2023, however we had transactions with SK ecoplant in prior periods (see Note 17 — SK ecoplant Strategic Investment). Revenue from related parties for the years ended December 31, 2022 and 2021 relate to Korean JV in its entirety.

2 Includes expenses billed by SK ecoplant to Korean JV for headcount support, maintenance and other services.

3 $0.6 million relate to rent expenses per operating lease agreements entered between Korean JV and SK ecoplant, $0.2 million relate to miscellaneous expenses billed by SK ecoplant to Korean JV.

4 Interest expense per two term loans entered between Korean JV and SK ecoplant in fiscal 2023 (see Note 7 — Outstanding Loans and Security Agreements).

Below is the summary of outstanding related party balances as of December 31, 2023 and December 31, 2022 (in thousands):


	December 31,
	2023		2022

Accounts receivable	$	262,031	$	4,257
Contract assets	6,872		—
Deferred cost of revenue, current	875		—
Prepaid expenses and other current assets (Note 17)	2,257		—
Operating lease right-of-use assets1	2,031		—
Other long-term assets (Note 17)	9,069		—
Accounts payable	77		—
Accrued expenses and other current liabilities	3,427		—
Deferred revenue and customer deposits, current	1,707		—
Operating lease liabilities, current1	440		—
Deferred revenue and customer deposits, long-term	6,709		—
Operating lease liabilities, non-current1	1,617		—
Non-recourse debt2 (Note 7)	4,627		—

1 Balances relate to operating leases entered between Korean JV and SK ecoplant.

2 Represent the total balance of two term loans entered between Korean JV and SK ecoplant in fiscal 2023 (see Note 7 — Outstanding Loans and Security Agreements).