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RELATED PARTY BALANCES AND TRANSACTIONS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
RELATED PARTY BALANCES AND TRANSACTIONS
Amount due from related parties, Non current	$ 75,215	$ 32,313
Other Receivable, after Allowance for Credit Loss, Noncurrent, Related Party, Type [Extensible Enumeration]	srt:AffiliatedEntityMember	srt:AffiliatedEntityMember
Horus and Recursos
RELATED PARTY BALANCES AND TRANSACTIONS
Ownership percentage	49.00%
Crimson
RELATED PARTY BALANCES AND TRANSACTIONS
Ownership percentage	20.00%	20.00%
Related party
RELATED PARTY BALANCES AND TRANSACTIONS
Amount due from related parties, current	$ 5,220	$ 40,582
Related party \| Suzhou Financial Leasing Co., Ltd. \| Turnkey battery energy storage solutions and EPC services
RELATED PARTY BALANCES AND TRANSACTIONS
Revenue from providing development services	17,784	0	$ 0
Related party \| Canadian Solar Infrastructure Fund, Inc \| Asset management service
RELATED PARTY BALANCES AND TRANSACTIONS
Revenue from providing development services	5,508	10,004	4,180
Related party \| Canadian Solar Infrastructure Fund, Inc \| O & M Service
RELATED PARTY BALANCES AND TRANSACTIONS
Revenue from providing development services	7,623	6,974	7,036
Related party \| Horus Solar S.A. De Capital Variable
RELATED PARTY BALANCES AND TRANSACTIONS
Shareholder loans due from related parties	34,742	33,664
Related party \| Recursos Solares PV De Mxico II S.A. De Capital Variable
RELATED PARTY BALANCES AND TRANSACTIONS
Shareholder loans due from related parties	40,711	36,832
Related party \| Yancheng Jiwa New Material Technology Co., Ltd
RELATED PARTY BALANCES AND TRANSACTIONS
Purchase from related party	4,268	8,300	5,192
Related party \| Marangatu
RELATED PARTY BALANCES AND TRANSACTIONS
Amount of sales transactions	173	100,939
Related party \| Panati
RELATED PARTY BALANCES AND TRANSACTIONS
Amount of sales transactions	0	67,463
Related party \| Crimson
RELATED PARTY BALANCES AND TRANSACTIONS
Amount of sales transactions	$ 5,300	$ 17,182	$ 367,383