v3.26.1
Derivative Financial Instruments and Fair Value Measurements
12 Months Ended
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Financial Instruments and Fair Value Measurements
8. DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS
Commodity Swap Contracts
The Company utilizes commodity swap contracts to hedge against the unfavorable price fluctuations in market prices of electricity and natural gas. The Company does not apply hedge accounting to these contracts. These contracts are considered to be Level 2 instruments in the fair value hierarchy.
The Company entered into an International Swaps and Derivatives Association (“ISDA”) agreement with NextEra, a related party in November 2022. Pursuant to the agreement, in December 2024 the Company entered in 15-month pay variable, receive fixed cash settled electricity commodity swap with NextEra. The Company will receive Fixed Price $56.15 per MWh and pay Floating Price. Total notional quantity of the contract is 10,919 MWh. The Company applies fair value accounting under ASC 815 for this transaction.
During the year ended December 31, 2025, the Company entered into multiple ISDA agreements with various banks for pay-variable, receive-fixed, cash-settled natural gas commodity swaps with fixed prices ranging from $3.88 to $4.53 per MMBTU and total notional quantity of 7,200,000 MMBTUs. The Company applies fair value accounting under ASC 815 for these transactions.
The following table summarizes the effect of commodity swaps on the consolidated statements of operations for the years ended December 31, 2025 and 2024:
Year Ended December 31,
Derivatives not designated as hedging instruments:
Location of gain (loss) recognized20252024
Commodity swaps - realized (loss) gainRevenues - Renewable Power$(79)$761 
Commodity swaps - unrealized (loss) gainRevenues - Renewable Power(20)(704)
Commodity swaps - realized gainRevenues - RNG Fuel2,444 — 
Commodity swaps - unrealized gainRevenues - RNG Fuel2,082 — 
Total realized and unrealized gain$4,427 $57 
The following table summarizes the derivative assets and liabilities related to commodity swaps as of December 31, 2025 and 2024:
Fair Value
December 31, 2025December 31, 2024Location of Fair value recognized in Balance Sheet
Derivatives not designated as hedging instruments:
Current portion of unrealized gain commodity swaps$1,933 $— Prepaid expense and other current assets
Current portion of unrealized loss commodity swaps(92)(9)Accrued expenses and other current liabilities
Non - current portion of unrealized gain commodity swaps149 — Other long-term assets
Non - current portion of unrealized loss commodity swaps— (63)Other long-term liabilities
Total commodity swaps - unrealized gain (loss)$1,990 $(72)
There were no amounts offset in the consolidated balance sheets as of the period-end dates. In addition, there were no collateral balances with counterparties outstanding as of the period-end dates.
Convertible Note Receivable
In July 2024, the Company purchased a $750 convertible note with a 12‑month term, which is classified as available‑for‑sale and measured at fair value with changes recognized in earnings. The note was a Level 3 financial instrument, and its fair value was presented as a separate line item in the consolidated balance sheets. As of December 31, 2024, the note’s fair value was $760, with changes in fair value (including interest income) recorded in other income. In the third quarter of 2025, the investee underwent an exit event, the note has been paid and the Company received $1,377 in cash proceeds, with an additional $198 held in escrow and recorded in prepaid expenses and other current assets.
Recurring Fair Value Measurements
There were no transfers of assets between Level 1, Level 2, or Level 3 of the fair value hierarchy as of December 31, 2025 and 2024.
The Company's assets and liabilities that are measured at fair value on a recurring basis include the following as of December 31, 2025 and 2024, set forth by level, within the fair value hierarchy:
Fair value as of December 31, 2025
Level 1Level 2Level 3Total
Assets:
Money market funds$22,969 $— $— $22,969 
Commodity swap contracts$— $2,082 $— $2,082 
Fair value as of December 31, 2024
Level 1Level 2Level 3Total
Assets:
Money market funds$19,786 $— $— $19,786 
Convertible note receivable
— — 760 760 
Liabilities:
Commodity swap contracts$— $72$— $72