v3.26.3
Segment Reporting (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
segment
Sep. 30, 2025
USD ($)
Segment Reporting        
Number of operating segments | segment     1  
Number of reportable segments | segment     1  
Revenue $ 200,602 $ 177,055 $ 542,414 $ 484,699
Operating expenses:        
Research and development (12,552) (16,118) (38,085) (45,668)
Selling, general and administrative (68,344) (110,592) (167,819) (279,324)
Impairment (16,631) (97,524) $ (39,852) (119,187)
Description of other segment items, net     Included in other segment items, net are gain on sale of property, plant, and equipment, restructuring, change in fair value of contingent consideration, interest income, interest expense, other (expense)/income, net, gain/(loss) on extinguishment of convertible debt instruments and finance obligations, change in fair value of convertible debt instruments, change in fair value of debt, change in fair value of warrant liabilities, gain/(loss) on equity method investments and non-marketable securities and income tax expense, which are presented in the unaudited interim condensed consolidated statements of operations.  
Net income/(loss) attributable to Plug Power Inc. 99,766 (361,869) $ (333,745) (785,624)
Sales of equipment, related infrastructure and other        
Cost of revenue:        
Cost of revenue (106,118) (171,501) (271,771) (363,337)
Services performed on fuel cell systems and related infrastructure        
Cost of revenue:        
Cost of revenue (20,154) (20,083) (56,299) (44,541)
Benefit for loss contracts related to service        
Cost of revenue:        
Cost of revenue 10,393 4,343 33,881 6,287
Power purchase agreements        
Cost of revenue:        
Cost of revenue (32,175) (45,573) (107,323) (140,777)
Fuel delivered to customers and related equipment        
Cost of revenue:        
Cost of revenue (57,889) (64,392) (169,276) (189,382)
Other costs of revenue        
Cost of revenue:        
Cost of revenue (17) (14) (266) (440)
Single Reportable Segment        
Segment Reporting        
Revenue 200,602 177,055 542,414 484,699
Operating expenses:        
Research and development (12,552) (16,118) (38,085) (45,668)
Selling, general and administrative (68,344) (110,592) (167,819) (279,324)
Impairment (16,631) (97,524) (39,852) (119,187)
Other segment items, net 201,922 (19,106) (62,706) (97,421)
Net income/(loss) attributable to Plug Power Inc. 99,037 (363,505) (337,102) (789,091)
Single Reportable Segment | Sales of equipment, related infrastructure and other        
Cost of revenue:        
Cost of revenue (106,118) (171,501) (271,771) (363,337)
Single Reportable Segment | Services performed on fuel cell systems and related infrastructure        
Cost of revenue:        
Cost of revenue (20,154) (20,083) (56,299) (44,541)
Single Reportable Segment | Benefit for loss contracts related to service        
Cost of revenue:        
Cost of revenue 10,393 4,343 33,881 6,287
Single Reportable Segment | Power purchase agreements        
Cost of revenue:        
Cost of revenue (32,175) (45,573) (107,323) (140,777)
Single Reportable Segment | Fuel delivered to customers and related equipment        
Cost of revenue:        
Cost of revenue (57,889) (64,392) (169,276) (189,382)
Single Reportable Segment | Other costs of revenue        
Cost of revenue:        
Cost of revenue $ (17) $ (14) $ (266) $ (440)