Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Revenue:
Total revenue	[1]	$ 235,298	$ 275,191
Cost of revenue:
Total cost of revenue		197,222	220,924
Gross profit		38,076	54,267
Operating expenses:
Research and development		35,485	45,690
Sales and marketing		13,599	27,111
General and administrative	[2]	38,009	45,147
Total operating expenses		87,093	117,948
Loss from operations		(49,017)	(63,681)
Interest income		7,531	1,995
Interest expense	[3]	(14,546)	(11,746)
Other expense, net	[4]	(1,170)	(1,343)
Gain on revaluation of embedded derivatives		158	117
Loss before income taxes		(57,044)	(74,658)
Income tax (benefit) provision		(501)	259
Net loss		(56,543)	(74,917)
Less: Net income (loss) attributable to noncontrolling interest		981	(3,350)
Net loss attributable to common stockholders		$ (57,524)	$ (71,567)
Net loss per share available to common stockholders, basic (in dollars per share)		$ (0.25)	$ (0.35)
Net loss per share available to common stockholders, diluted (in dollars per share)		$ (0.25)	$ (0.35)
Weighted average shares used to compute net loss per share available to common stockholders, basic (in shares)		225,587	206,724
Weighted average shares used to compute net loss per share available to common stockholders, diluted (in shares)		225,587	206,724
Product
Revenue:
Total revenue	[1]	$ 153,364	$ 193,745
Cost of revenue:
Total cost of revenue		115,757	129,613
Installation
Revenue:
Total revenue	[1]	11,444	20,525
Cost of revenue:
Total cost of revenue		15,353	25,100
Service
Revenue:
Total revenue	[1]	56,460	40,663
Cost of revenue:
Total cost of revenue		56,506	51,244
Electricity
Revenue:
Total revenue	[1]	14,030	20,258
Cost of revenue:
Total cost of revenue		$ 9,606	$ 14,967

[1] Including related party revenue of $122.2 million and $0.8 million for the three months ended March 31, 2024, and 2023, respectively.

[2] Including related party general and administrative expenses of $0.2 million for the three months ended March 31, 2024. There were no related party general and administrative expenses for the three months ended March 31, 2023.

[3] Including related party interest expense of $0.1 million for the three months ended March 31, 2024. There was no related party interest expense for the three months ended March 31, 2023.

[4] Including related party other expense, net of $(0.5) million for the three months ended March 31, 2024. There was no related party other expense, net for the three months ended March 31, 2023.