v3.26.1
Variable Interest Entities (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
T
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Variable Interest Entities              
Additional capital contribution to the joint venture $ 3,100            
Assets              
Cash and cash equivalents 161,894   $ 161,894   $ 368,540    
Accounts receivable, net 125,861   125,861   134,758    
Inventory, net 493,445   493,445   520,968    
Prepaid expenses, tax credits, and other current assets 106,436   106,436   93,988    
Total current assets 1,146,337   1,146,337   1,410,268    
Property, plant, and equipment, net 243,995   243,995   281,001    
Total assets [1] 2,192,566   2,192,566   2,594,568    
Liabilities              
Accounts payable 144,259   144,259   168,744    
Accrued expenses 105,692   105,692   128,010    
Total current liabilities 493,883   493,883   610,588    
Stockholder's equity              
Stockholders' equity 587,290 [1] $ 1,763,960 587,290 [1] $ 773,889 1,003,314 [1] $ 1,932,587 $ 1,807,756
Total liabilities and stockholders' equity 2,192,566   2,192,566   2,594,568    
Hydrogen production plants              
Variable Interest Entities              
Net cash proceeds 36,100            
Joint venture distributed amount 16,500            
Variable interest entities              
Assets              
Cash and cash equivalents 2,048   2,048   1,465    
Accounts receivable, net 187   187        
Inventory, net 363   363   98    
Prepaid expenses, tax credits, and other current assets 486   486   32    
Total current assets 3,084   3,084   1,595    
Property, plant, and equipment, net 10,557   10,557   50,206    
Total assets 13,641   13,641   51,801    
Liabilities              
Accounts payable 686   686   785    
Accrued expenses 1,880   1,880   526    
Total current liabilities 2,566   2,566   1,311    
Stockholder's equity              
Stockholders' equity 11,075   11,075   50,490    
Total liabilities and stockholders' equity $ 13,641   $ 13,641   $ 51,801    
Hidrogenii              
Variable Interest Entities              
Construction capacity per day | T   15          
Hidrogenii | Plug Power LA JV LLC              
Variable Interest Entities              
Percentage of ownership interest     50.00%        
Niloco Hydrogen Holdings LLC | Hidrogenii              
Variable Interest Entities              
Percentage of ownership interest     50.00%        
[1] Includes balances associated with a consolidated variable interest entity (“VIE”), including amounts reflected in “total assets” that can only be used to settle obligations of the VIE of $13,641 and $51,801 as of June 30, 2026 and December 31, 2025, respectively, as well as liabilities of the VIE reflected within “total liabilities” for which creditors do not have recourse to the general credit of Plug Power Inc. of $2,566 and $1,311 as of June 30, 2026 and December 31, 2025, respectively. Refer to Note 19, “Variable Interest Entities,” for additional information.