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DERIVATIVE INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Energy Generation Amounts The amount of energy generation which we have hedged on a forward basis under agreements with various financial institutions as of June 30, 2021 is indicated in the following table (in millions):
Calendar YearHedged MWh
20211.1 
20221.1 
20230.2 
Total2.4