v3.25.4
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:      
Net loss $ (222,636) $ (83,689) $ (100,098)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization 98,606 44,737 45,674
Provision for credit losses and inventory 4,007 2,682 1,773
Stock-based compensation expense 8,869 10,803 23,336
Stock-based sales incentive charges 66,101 60,764 60,609
Change in fair value of derivative instruments 1,664 131 158
(Gain)/Loss on sale of BTR equity and convertible promissory note (2,058) 0 0
Amortization of debt financing costs 5,294 4,775 1,571
Amortization of discounts and Section 30C tax credit (4,162) (6,343) (6,279)
Loss on disposal of property and equipment 2,707 468 863
Loss on extinguishment of debt 11,515 0 5,367
Extinguishment of unamortized discount on expiration of deferred drawdown 11,260 0 0
Asset impairments and other charges 0 380 634
Impairment of goodwill 64,328 0 0
Impairment of investments in equity securities 0 8,102 0
Loss from equity method investments 26,737 26,576 12,510
Non-cash lease expense 9,017 9,385 6,854
Deferred income taxes (2,876) 2,630 (515)
Accretion of ARO liabilities 393 0 0
Changes in operating assets and liabilities:      
Accounts and other receivables (2,788) (8,177) (7,711)
Inventory (4,435) (57) (11,391)
Prepaid expenses and other assets 2,285 6,033 510
Operating lease liabilities (8,402) (6,087) (3,957)
Accounts payable (1,590) (18,784) 14,770
Deferred revenue 11,476 2,205 (883)
Accrued liabilities and other 10,217 8,045 (18)
Net cash provided by operating activities 85,529 64,579 43,777
Cash flows from investing activities:      
Purchases of short-term investments (854,581) (914,210) (491,253)
Maturities and sales of short-term investments 986,021 950,644 479,288
Payment and deposits on equipment and manure rights for ADG RNG production projects (34,205) (14,959) (20,348)
Purchases of and deposits on property and equipment (25,679) (64,997) (100,934)
Grant proceeds for capital projects 0 952 1,947
Proceeds received for joint development and construction of station projects 3,359 6,980 3,224
Disbursements for loans receivable (4,000) (10,398) (3,500)
Proceeds from paydowns, maturities, and sales of loans receivable 3,544 310 2,256
Investments in other entities (16,488) (32,892) (73,450)
Advance to DR JV 0 0 (5,500)
Proceeds from repayment of advance by DR JV 0 0 5,500
Proceeds from settlement of insurance claims 0 314 495
Proceeds from disposal of property and equipment 5,128 576 262
Net cash provided by (used in) provided by investing activities 63,099 (77,680) (202,013)
Cash flows from financing activities:      
Issuance of common stock (37) 64 242
Repurchase of common stock (7,938) 0 0
Payment of tax withholdings on net settlement of equity awards (499) (340) (175)
Fees paid for lender and debt issuance costs 0 (890) (9,484)
Proceeds for Adopt-A-Port program 465 3,390 955
Repayment of proceeds for Adopt-A-Port program (2,549) (1,934) (1,441)
Proceeds from debt instruments 0 0 300,255
Repayments of debt instruments and finance lease obligations (1,217) (2,234) (151,148)
Repayment of Stonepeak Debt (65,000) 0 0
Payments of debt extinguishment costs (5,336) 0 (83)
Net cash provided by (used in) financing activities (82,111) (1,944) 139,121
Effect of exchange rates on cash, cash equivalents and restricted cash (323) (356) 128
Net increase in cash, cash equivalents and restricted cash 66,194 (15,401) (18,987)
Cash, cash equivalents and restricted cash, beginning of period 91,562 106,963 125,950
Cash, cash equivalents and restricted cash, end of period 157,756 91,562 106,963
Supplemental disclosure of cash flow information:      
Income taxes paid 41 60 77
Interest paid, net of $2,587 and $2,057, $7,120 capitalized, respectively 14,958 27,402 16,360
Supplemental disclosure of non-cash financing activity:      
Interest paid-in-kind $ (15,000) $ 0 $ 0

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