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INCOME TAXES - Deferred tax assets and liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Accrued warranty costs | $ 11,200 | $ 12,944
Allowance for credit losses | 14,928 | 14,728
Inventory write-downs | 7,022 | 5,807
Future deductible expenses | 33,656 | 28,720
Depreciation difference and impairment of property, plant and equipment, project assets, solar power and battery energy storage systems | 40,359 | 18,428
Accrued liabilities | 10,886 | 39
Government subsidies | 48,473 | 46,712
Net operating losses carryforwards | 233,329 | 131,094
Interest limitations | 26,199 | 15,471
Others | 100,099 | 62,193
Total deferred tax assets, gross | 526,151 | 336,136
Valuation allowance | (52,651) | (72,678)
Total deferred tax assets, net | 473,500 | 263,458
Deferred tax liabilities: |  |
Investments in partnerships | 69,327 | 2,261
Depreciation difference of property, plant and equipment | 59,729 | 34,625
Others | 75,776 | 45,942
Total deferred tax liabilities | 204,832 | 82,828
Analysis as: |  |
Deferred tax assets | 473,500 | 263,458
Deferred tax liabilities | (204,832) | (82,828)
Net deferred tax assets | $ 268,668 | $ 180,630

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