Own your battery, utility paysopen
Efficiency Maine Small Battery Program
Efficiency Maine pays participating battery makers, who pass most of the money to homeowners each year for letting batteries discharge during 3-hour evening peak events. Owners can opt out of any event.
- Run by
- Efficiency Maine (via participating battery manufacturers)
- Where
- Maine utilities on Residential, Small General Service or Small Commercial rates (e.g. CMP)
- Devices
- home batteries from participating manufacturers (e.g. Tesla, FranklinWH)
- Who can join
- Maine customers on eligible rates with a battery from a participating manufacturer; solar optional; new or existing systems.
- What it pays
- Efficiency Maine pays manufacturers $160/kW-year, passed to customers at 80% (about $128/kW-year); paid each June for the April 1-March 31 incentive year. Minimum 2 events a month, maximum 60 a year.
Note: Payment agreements are between the manufacturer and the owner; Efficiency Maine doesn't guarantee payments.
Sources
Last checked 2026-10-02