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DERIVATIVE INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2020
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, 2020 is indicated in the following table (in millions):
Calendar Year
 
Hedged MWh
2020
 
1.7
2021
 
2.0
2022
 
0.2
Total
 
3.9