v3.22.2.2
Document and Entity Information - shares
 6 Months Ended
Sep. 30, 2022
Nov. 29, 2022
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2022  
Entity File Number 001-35400  
Entity Registrant Name Just Energy Group Inc.  
Entity Incorporation, State or Country Code Z4  
Entity Tax Identification Number 00-0000000  
Entity Address State Or Province ON  
Entity Address, Address Line One 100 King Street West  
Entity Address, Address Line Two Suite 2630  
Entity Address, City or Town Toronto  
Entity Address, Postal Zip Code M5X 1E1  
City Area Code 905  
Local Phone Number 795-4206  
Title of 12(g) Security Common Stock, No Par Value per Share  
Trading Symbol JENGQ  
Entity Current Reporting Status No  
Entity Interactive Data Current No  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   48,078,637
Entity Central Index Key 0001538789  
Current Fiscal Year End Date --03-31  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Amendment Flag false