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COMMITMENTS AND CONTINGENCIES (Fuel, Including Transportation) (Details)
$ in Millions
Jun. 30, 2023
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Minimum purchase commitment 2023 $ 5
Minimum purchase commitment 2024 5
Minimum purchase commitment 2025 5
Minimum purchase commitment 2026 5
Minimum purchase commitment 2027 5
Minimum purchase commitment thereafter $ 92