COMMITMENTS AND CONTINGENCIES (Details) - USD ($)		12 Months Ended
	Feb. 07, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Recorded Unconditional Purchase Obligation [Line Items]
Letters of credit outstanding, amount		$ 286,600,000
Recorded unconditional purchase obligation, total		$ 408,200,000
Royalty, cap interest basis spread on grant amount		5.90%
Subsequent Event | Breach of contractual obligations
Recorded Unconditional Purchase Obligation [Line Items]
Loss contingency, damages sought, value	$ 47,500,000
Loss contingency accrual	$ 0
Ormat Systems Ltd
Recorded Unconditional Purchase Obligation [Line Items]
Royalty expense		$ 0	$ 0	$ 0
Royalty, cap amount		2,600,000	2,500,000
Royalty, cap amount LIBOR rate		$ 1,600,000	1,500,000
Ormat Systems Ltd | Minimum
Recorded Unconditional Purchase Obligation [Line Items]
Percentage for royalty to be paid		3.50%
Ormat Systems Ltd | Maximum
Recorded Unconditional Purchase Obligation [Line Items]
Percentage for royalty to be paid		5.00%
Construction in Process
Recorded Unconditional Purchase Obligation [Line Items]
Recorded unconditional purchase obligation, total		$ 233,200,000
Geothermal Resource Agreement
Recorded Unconditional Purchase Obligation [Line Items]
Royalty expense		$ 32,100,000	$ 30,900,000	$ 30,100,000