BUSINESS ACQUISITIONS - Schedule of Pro Forma Information (Details) - Enel Green Power North America ("EGPNA") - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Total revenues	$ 879.7	$ 864.9
Net income attributable to the Company's stockholders	125.2	111.0
Electricity
Business Combination [Line Items]
Total revenues	$ 702.3	$ 702.2