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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Schedule of Revenue from External Customers
Revenue from external customers (including, but not limited to homeowners) for each group of similar products and services is as follows (in thousands): 
Year Ended December 31,
202420232022
Customer agreements$1,388,412 $1,077,099 $872,298 
Incentives116,815 109,607 110,749 
Customer agreements and incentives1,505,227 1,186,706 983,047 
Solar energy systems204,776 656,408 913,904 
Products327,716 416,699 424,471 
Solar energy systems and product sales532,492 1,073,107 1,338,375 
Total revenue$2,037,719 $2,259,813 $2,321,422 
Schedule of Cash and Restricted Cash
The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows. Cash and restricted cash consists of the following (in thousands):
December 31,
202420232022
Cash$574,956 $678,821 $740,508 
Restricted cash, current and long-term372,460 309,017 212,515 
Total$947,416 $987,838 $953,023 
Schedule of Cash and Restricted Cash
The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows. Cash and restricted cash consists of the following (in thousands):
December 31,
202420232022
Cash$574,956 $678,821 $740,508 
Restricted cash, current and long-term372,460 309,017 212,515 
Total$947,416 $987,838 $953,023 
Schedule of Accounts Receivable, Net
Accounts receivable, net consists of the following (in thousands):
December 31,
20242023
Customer receivables$179,152 $186,537 
Other receivables6,974 4,506 
Allowance for credit losses(15,420)(19,042)
Total$170,706 $172,001 
Schedule of Property and Equipment, Net
Property and equipment is depreciated on a straight-line basis over the following periods:
Leasehold improvements
Lesser of 6 years or lease term
Furniture5 years
Computer hardware and software3 years
Machinery and equipment
5 years or lease term
AutomobilesLease term
Solar energy systems, net consists of the following (in thousands):
December 31,
20242023
Solar energy system equipment costs
$14,258,772 $12,558,996 
Inverters and batteries2,554,739 1,845,580 
Total solar energy systems
16,813,511 14,404,576 
Less: accumulated depreciation and amortization(2,732,888)(2,165,171)
Add: construction-in-progress951,492 789,466 
Total solar energy systems, net
$15,032,115 $13,028,871 
Property and equipment, net consists of the following (in thousands):
December 31,
20242023
Machinery and equipment
$17,375 $17,216 
Leasehold improvements, furniture, and computer hardware
43,835 47,810 
Vehicles
159,736 157,486 
Computer software56,742 74,636 
Total property and equipment
277,688 297,148 
Less: Accumulated depreciation and amortization
(156,449)(148,009)
Total property and equipment, net$121,239 $149,139 
Schedule of Obligations Under Supplier Fnance Agreements
The following is a rollforward of the obligations under these supplier finance agreements (in thousands):
Supplier finance obligations outstanding at December 31, 2022$— 
Proceeds from trade receivable financing41,225 
Repayment of trade receivable financing(41,225)
Supplier finance obligations outstanding at December 31, 2023— 
Proceeds from trade receivable financing124,261 
Repayment of trade receivable financing— 
Accrued interest on trade receivable financing5,977 
Supplier finance obligations outstanding at December 31, 2024$130,238 
Schedule of Deferred Revenue The opening balance of deferred revenue was $1,096.0 million as of December 31, 2022. Deferred revenue consists of the following (in thousands):
December 31,
20242023
Under Customer Agreements:
Payments received, net$950,225 $873,137 
Financing component balance79,731 72,289 
1,029,956 945,426 
Under SREC contracts:
Payments received, net291,972 237,800 
Financing component balance16,419 12,835 
308,391 250,635 
Total$1,338,347 $1,196,061