Central Maine Power Company

Central Maine Power offers an optional residential time-of-use rate on the delivery portion of your bill. On-peak hours run from 5pm to 9pm Monday through Friday, excluding holidays; all other hours, including weekends and holidays year-round, are off-peak. Charging overnight or on weekends falls in the cheaper off-peak window. CMP estimates customers come out ahead on the TOU rate only when at least 86 percent of total usage falls in the off-peak period, making it best suited to households that shift most consumption to evenings and weekends.

CMP does not run its own EV charger rebate or managed-charging program. The statewide Efficiency Maine Trust administers EV charger incentives and managed charging across both Maine utility territories. Its managed-charging initiative pays a $50 one-time enrollment incentive plus $50 in annual participation payments for keeping a qualifying Level 2 charger or eligible EV enrolled. CMP's TOU rate stacks with Efficiency Maine programs, but enrollment in each is separate.

Maine is a restructured electricity market; CMP is a pure transmission and distribution utility and does not sell generation. Your energy supply comes from the standard offer or a competitive supplier, and CMP's TOU rate applies only to the delivery charge, not the supply price. That regulatory structure is why most EV-related incentives in CMP territory carry the Efficiency Maine name rather than the utility's.