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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating activities: |  |  |
Net income | $ 363,634 | $ 298,555 | $ 109,876
Adjustments to net income: |  |  |
Depreciation and amortization | 307,040 | 234,559 | 282,769
Accretion of green bonds and convertible notes | 2,145 | 1,302 | 1,461
Loss (gain) on disposal of property, plant and equipment | (5,342) | (4,259) | 83
Loss on disposal of solar power systems | 244 |  | (10,091)
Gain on disposal of investments in affiliates |  |  | (10,392)
Impairment loss of property, plant and equipment | 5,938 | 60,330 | 6,084
Impairment loss of project assets | 16,239 | 1,674 | 17,152
Impairment loss of investments in affiliates | 0 | 357 | 0
Loss (gain) on change in fair value of derivatives, net | 27,504 | 44,489 | (23,785)
Gain on change in fair value of other financial assets | (12,696) |  |
Equity in earnings of affiliates | (14,610) | (15,440) | (7,256)
Allowance for credit losses | 12,014 | 5,773 | 7,615
Non-cash operating lease expenses | 18,844 | 13,208 | 14,321
Write-down of inventories | 113,079 | 7,475 | 14,070
Share-based compensation | 55,335 | 9,370 | 8,808
Unrealized gain from sales to affiliates | 2,892 | 5,971 | 35,890
Deferred taxes | (17,908) | 16,908 | (67,386)
Changes in operating assets and liabilities: |  |  |
Accounts receivable trade | 58,985 | (357,276) | (284,785)
Accounts receivable, unbilled | (43,571) | (23,367) | (8,783)
Amounts due from related parties | 9,210 | (4,451) | (68,912)
Inventories | 182,767 | (406,343) | (518,741)
Value added tax recoverable | (5,985) | (43,881) | (21,873)
Advances to suppliers | 54,915 | (52,893) | (30,416)
Project assets | (349,830) | (302,839) | (73,375)
Prepaid expenses and other current assets | (22,277) | 151,663 | (85,754)
Other non-current assets | (33,597) | (17,350) | 20,357
Accounts payable | 13,115 | 351,535 | 11,023
Short-term notes payable | (590,418) | 721,039 | 150,982
Amounts due to related parties | 427 | (54) | (171)
Other payables | 169,944 | (417) | 126,215
Advances from customers | 59,383 | 209,855 | (53,998)
Operating lease liabilities | (14,571) | (14,160) | (14,156)
Other liabilities | 337,055 | 68,492 | 51,248
Liability for uncertain tax positions | (29) | (1,718) | (7,281)
Net settlement of derivatives | (39,133) | (31,851) | 31,886
Loss contingency accruals | 23,873 | (9,625) | (10,939)
Net cash provided by (used in) operating activities | 684,615 | 916,631 | (408,254)
Investing activities: |  |  |
Investments in affiliates | (113,404) | (19,355) | (54,004)
Acquisition of subsidiaries, net of cash | (9,448) |  |
Investment in equity securities | (427) |  |
Return of capital from affiliates | 2,759 | 7,083 | 2,671
Proceeds from disposal of investments in affiliates | 301 |  | 14,311
Purchase of property, plant and equipment | (1,116,461) | (627,115) | (428,725)
Acquisition of right-of-use assets | (36,121) |  |
Proceeds from disposal of property, plant and equipment | 10,317 | 7,479 | 18,555
Purchase of solar power systems | (408,999) | (882) | (775)
Proceeds from disposal of solar power systems | 67 | 2,302 | 18,397
Net cash used in investing activities | (1,671,416) | (630,488) | (429,570)
Financing activities: |  |  |
Proceeds from short-term borrowings | 1,566,240 | 1,387,537 | 1,742,064
Repayment of short-term borrowings | (1,603,571) | (1,695,563) | (1,879,884)
Proceeds from long-term borrowings | 1,016,931 | 770,368 | 588,082
Net proceeds from issuance of green bonds | 121,023 |  |
Acquisition of non-controlling interests | (1,446) |  | (10,719)
Proceeds from non-controlling interests | 5,910 | 15,109 | 10,003
Distribution to non - controlling interests | (3,990) |  |
Repayment to non-controlling interests |  |  | (6,588)
Net proceeds from issuance of common shares |  |  | 148,510
Proceeds from subsidiary's offering of its equity interests | 966,892 |  |
Cash payment for transaction costs of subsidiary's offering | (38,995) |  |
Repayment of financing liabilities | (28,013) | (29,595) |
Proceeds from sales-leaseback arrangement | 91,648 |  | 45,693
Repayments of finance lease obligation | (39,801) | (19,217) | (23,090)
Net cash provided by financing activities | 2,052,828 | 428,639 | 614,071
Effect of exchange rate changes | (89,098) | (179,561) | 18,320
Net increase (decrease) in cash, cash equivalents and restricted cash | 976,929 | 535,221 | (205,433)
Cash, cash equivalents and restricted cash at the beginning of the year | 1,969,503 | 1,434,282 |
Cash, cash equivalents and restricted cash at the end of the year | 2,946,432 | 1,969,503 | 1,434,282
Supplemental disclosure of cash flow information: |  |  |
Interest paid (net of amounts capitalized) | 121,665 | 76,511 | 71,006
Income taxes paid, net of tax refund | 83,077 | 77,400 | 57,396
Supplemental schedule of non-cash activities: |  |  |
Reclassification from project assets to solar power systems | 119,067 | 263,710 |
Reclassification from inventories to solar power systems | 46,197 |  |
Borrowings assumed by third parties with project asset sales | 161,709 | 193,578 | 118,406
Property, plant and equipment costs included in other payables | $ 933,029 | $ 549,883 | $ 299,664

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