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ENERGY STORAGE SYSTEMS, NET - Schedule of Energy Storage Systems, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Energy Storage Systems
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (58,782)	$ (45,250)
Total energy storage systems, net	90,757	106,114
Energy storage systems placed into service
Property, Plant and Equipment [Line Items]
Total energy storage systems, gross	143,154	143,592
Energy storage systems not yet placed into service
Property, Plant and Equipment [Line Items]
Total energy storage systems, gross	$ 6,385	$ 7,772

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