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31 Net Operating Revenue (Details Narrative)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of net operating revenue [line items]    
Annual tariff review and authorized average rate 3.41% 15.99%
High voltage consumers percentage 4.32%  
Low voltage consumers percentage 2.92%  
Financial Components [Member]    
Disclosure of net operating revenue [line items]    
Annual tariff review and authorized average rate 10.54%  
Updating Portion B [Member]    
Disclosure of net operating revenue [line items]    
Annual tariff review and authorized average rate 1.12%  
Adjusting Portion A [Member]    
Disclosure of net operating revenue [line items]    
Annual tariff review and authorized average rate (3.08%)  
Withdrawal Of The Financial Components From The Previous Tariff Process [Member]    
Disclosure of net operating revenue [line items]    
Annual tariff review and authorized average rate (5.17%)