Major Energy Maine Historical Variable Rates The rates on this graph represent the weighted average rate across all available variable plans: Maine Central Maine Power Current Variable Rates All rates are subject to change on a monthly basis. Product Name Utility Feb 2023 Rate March 2023 RateUnit Commodity Residential Evergreen T1 CMP $0.2799 $0.2799 kWh Electric Residential Evergreen T1 BHEC $0.2799 $0.2799 kWh Electric Residential Evergreen T2 CMP $0.2899 $0.2899 kWh Electric Residential Evergreen T2 BHEC $0.2899 $0.2899 kWh Electric Residential Evergreen CMP $0.2999 $0.2999 kWh Electric Residential Evergreen BHEC $0.2999 $0.2999 kWh Electric