XML 227 R143.htm IDEA: XBRL DOCUMENT v3.22.1
Schedule of average depreciation rates (Details)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Generation | General equipment      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 6.25% 6.26% 6.33%
Generation | Machinery [member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 3.68% 3.39% 3.67%
Generation | Generators [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 3.42% 3.73% 3.38%
Generation | Reservoirs, dams and aqueducts      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 2.56% 2.68% 2.50%
Generation | Hydraulic Turbines [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 2.90% 2.93% 0.29%
Generation | Gas And Steam Turbines [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation   2.00% 2.00%
Generation | Water Cooling And Treatment [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 4.00% 4.00% 4.00%
Generation | Gas Conditioner [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 4.00% 4.00% 4.00%
Generation | Wind Power Plant Unit [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 4.98% 4.94% 5.49%
Generation | Buildings [member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 3.15% 3.15%  
Central management | Buildings [member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 3.33% 3.35% 3.35%
Central management | Office equipment [member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 6.27% 6.25% 6.25%
Central management | Fixtures and fittings [member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 6.30% 6.25% 6.25%
Central management | Vehicle [Member]      
IfrsStatementLineItems [Line Items]      
Average rate of depreciation 14.29% 14.29% 14.29%