v3.26.1
Material Accounting Policy Information - Disclosure of wholly owned subsidiaries (Details)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
GP GreenPower Industries Inc. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation Canada  
Percentage Ownership 100.00% 100.00%
Principal Activity Holding company  
GreenPower Motor Company, Inc. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation United States  
Percentage Ownership 100.00% 100.00%
Principal Activity Electric bus manufacturing and distribution  
0939181 BC Ltd. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation Canada  
Percentage Ownership 100.00% 100.00%
Principal Activity Electric bus sales and leasing  
San Joaquin Valley Equipment Leasing, Inc. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation United States  
Percentage Ownership 100.00% 100.00%
Principal Activity Electric bus leasing  
0999314 BC Ltd. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation Canada  
Percentage Ownership 100.00% 100.00%
Principal Activity Inactive  
Electric Vehicle Logistics Inc. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation United States  
Percentage Ownership 100.00% 100.00%
Principal Activity Vehicle Transportation  
GreenPower Manufacturing WV Inc [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation United States  
Percentage Ownership 100.00% 100.00%
Principal Activity Electric bus manufacturing and distribution  
GP Truck Body Inc. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation United States  
Percentage Ownership 100.00% 100.00%
Principal Activity Truck body manufacturing  
Gerui New Energy Vehicle (Nanjing) Co., Ltd. [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation China  
Percentage Ownership 100.00% 100.00%
Principal Activity Electric bus manufacturing and distribution  
EA Green-Power Private Ltd [Member]    
Disclosure of subsidiaries [Line Items]    
Country of Incorporation India  
Percentage Ownership 100.00% 100.00%
Principal Activity Electric bus manufacturing and distribution