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Inventories
 12 Months Ended
Dec. 31, 2025
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following (in thousands):
December 31,
20252024
Raw materials
$456,924 $357,870 
Work-in-process
44,362 44,213 
Total
$501,286 $402,083 
The Internal Revenue Service (“IRS”) provided taxpayers a safe harbor opportunity for solar facilities that began construction prior to January 1, 2025 and are placed in service on or after January 1, 2025 to elect the application of the ITC (as defined below) under Section 48(a) of the Code. The Company has sought to avail itself of the safe harbor in order to retain the ability to elect the application of the ITC under Section 48(a) of the Code by incurring certain costs and taking title to equipment in 2024. As of December 31, 2025, and 2024, there was $85.3 million and $349.5 million, respectively, related to the safe harbor program within raw materials.