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Commitments (Tables)
12 Months Ended
Dec. 31, 2021
Commitments  
Schedule of annual minimum required and non-cancelable future payments related to the contractual obligations

    

December 31, 2021

    

December 31, 2020

Purchase obligations

5,015

6,991

Purchase of energy

2,746

2,945

Total minimum payments required

7,761

9,936