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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Cash flows from operating activities: |  |  |  |  |
Net income | $ 17,014 | $ 20,842 | $ 16,030 | $ 30,812 |
Adjustments to reconcile net income to net cash flows from operating activities: |  |  |  |  |
Depreciation of energy assets, net | 21,667 | 15,122 | 57,352 | 42,847 |
Depreciation of property and equipment |  |  | 3,699 | 2,849 |
Increase in contingent consideration |  |  | 87 | 705 |
Accretion of ARO liabilities |  |  | 243 | 194 |
Amortization of debt discount and debt issuance costs |  |  | 3,764 | 3,407 |
Amortization of intangible assets |  |  | 1,615 | 1,681 |
Provision for credit losses |  |  | 1,292 | 637 |
Loss on disposal of assets |  |  | 515 | 18 |
Non-cash project revenue related to in-kind leases |  |  | (2,971) | 0 |
Earnings from unconsolidated entities | (159) | (526) | (724) | (1,356) |
Net gain from derivatives |  |  | (267) | (3,306) |
Stock-based compensation expense |  |  | 10,368 | 12,318 |
Deferred income taxes, net |  |  | (3,914) | (13,089) |
Unrealized foreign exchange (gain) loss |  |  | (898) | 1,148 |
Changes in operating assets and liabilities: |  |  |  |  |
Accounts receivable |  |  | (64,045) | 58,135 |
Accounts receivable retainage |  |  | (9,753) | 4,589 |
Federal ESPC receivable |  |  | (110,841) | (143,647) |
Inventory, net |  |  | 1,664 | 570 |
Costs and estimated earnings in excess of billings |  |  | 126,694 | 5,260 |
Prepaid expenses and other current assets |  |  | 15,112 | (10,925) |
Income taxes receivable, net |  |  | 798 | 590 |
Project development costs |  |  | (4,456) | (4,638) |
Other assets |  |  | (4,664) | (2,080) |
Accounts payable, accrued expenses and other current liabilities |  |  | 13,511 | (38,444) |
Billings in excess of cost and estimated earnings |  |  | 42,215 | 10,104 |
Other liabilities |  |  | 6,796 | 1,200 |
Cash flows from operating activities |  |  | 99,222 | (40,421) |
Cash flows from investing activities: |  |  |  |  |
Purchases of property and equipment |  |  | (3,053) | (4,597) |
Capital investments in energy assets |  |  | (341,794) | (445,540) |
Capital investments in major maintenance of energy assets |  |  | (13,597) | (8,024) |
Asset acquisition, net of cash acquired |  |  | 0 | 6,206 |
Net proceeds from equity method investments |  |  | 13,091 | 0 |
Contributions to equity method investments |  |  | (10,442) | (3,489) |
Grant award received on energy asset |  |  | 403 | 0 |
Acquisitions, net of cash received |  |  | 0 | (9,183) |
Loans to joint venture investments |  |  | 0 | (566) |
Cash flows from investing activities |  |  | (355,392) | (465,193) |
Cash flows from financing activities: |  |  |  |  |
Payments of debt discount and debt issuance costs |  |  | (10,114) | (8,635) |
Proceeds from exercises of options and ESPP |  |  | 1,899 | 3,384 |
Payments on senior secured revolving credit facility, net |  |  | (33,400) | (115,000) |
Proceeds from long-term debt financings |  |  | 663,598 | 728,600 |
Proceeds from Federal ESPC projects |  |  | 129,399 | 107,303 |
Net proceeds from energy asset receivable financing arrangements |  |  | 5,216 | 12,514 |
Contributions from non-controlling interests |  |  | 33,789 | 499 |
Distributions to non-controlling interest |  |  | (1,367) | (20,521) |
Distributions to redeemable non-controlling interests, net |  |  | (418) | (494) |
Payment on seller's promissory note |  |  | (41,941) | (12,500) |
Payments on debt and financing leases |  |  | (441,603) | (162,749) |
Cash flows from financing activities |  |  | 305,058 | 532,401 |
Effect of exchange rate changes on cash |  |  | 1,827 | (980) |
Net increase in cash, cash equivalents, and restricted cash |  |  | 50,715 | 25,807 |
Cash, cash equivalents, and restricted cash, beginning of period |  |  | 153,676 | 149,888 | $ 149,888
Cash, cash equivalents, and restricted cash, end of period | $ 204,391 | $ 175,695 | 204,391 | 175,695 | $ 153,676
Supplemental disclosures of cash flow information: |  |  |  |  |
Cash paid for interest |  |  | 80,172 | 51,180 |
Cash paid for income taxes |  |  | 1,946 | 2,719 |
Non-cash Federal ESPC settlement |  |  | 143,936 | 99,164 |
Accrued purchases of energy assets |  |  | 53,696 | 89,820 |
Non-cash contributions from non-controlling interest |  |  | 0 | 458 |
Non-cash financing for energy asset project acquisition |  |  | $ 32,500 | $ 82,964 |

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