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Residential Incentives

Here is a partial list of the maximum rebates, discounts, and federal tax credits for homeowners investing in energy efficiency and renewable energy.

 UpgradeFederal Tax CreditEfficiency Maine
Low Income
Efficiency Maine
Moderate Income
Efficiency Maine
Any Income
Water HeatersHeat Pump Water Heater$2,000**free$950$950
Water Heaters200+ amp circuit panel upgrade$600*   
Heat PumpsHeat Pumps$2,000**$2,400$2,400$1,200
Heat Pumps200+ amp circuit panel upgrade$600*   
WeatherizationInsulation30% of materials up to $1,200*$8,000$6,000$4,000
WeatherizationEnergy Audit$150*   
WeatherizationExterior Doors$250/door, $500 total*   
Electric VehiclesEVs$7,500$7,500$3,500$1,000
Electric VehiclesEV chargers$1,000   
AppliancesClothes Washers $50$50$50
Pellet / WoodBoiler/Furnace$2,000**$6,000$6,000$6,000
Pellet / WoodStove$2,000**   
OtherECM Circulator Pumps $75-$250$75-$250$75-$250
OtherGeothermal30% no cap$3,000$3,000$3,000
OtherBattery30% no cap   
OtherSolar30% no cap   

* 30% of net cost after rebate up to $1,200/year shared maximum
** 30% of net cost after rebate up to $2,000/year shared maximum

Eligibility requirements apply. Program and incentives subject to change or termination.


We offer home energy loans to help income-eligible Maine homeowners pay for Efficiency Maine incentive-eligible energy upgrades. Qualifying homeowners can borrow up to $7,500 over 10 years with no fees and interest rates as low as 5.99% APR. Electric vehicles are not eligible.