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Efficiency Maine offers rebates for the following energy upgrades. Low income customers may be eligible for additional rebates.

# Upgrade Maximum Incentive Incentive Type Eligible for an Energy Loan?
1 Air Sealing and Energy Assessment $400 – $500 Mail-In Rebate 1 Y
2 Clothes Washers $50 Mail-In Rebate Y
3 ECM Circulator Pumps $75 – $250 Instant Discount 2 Y
4 Electric Vehicles $1,000 – $2,000 Mail-In Rebate OR Instant Discount 3 N
5 Geothermal Systems $3,000 Mail-In Rebate Y
6 Heat Pump Water Heaters $750 Mail-In Rebate OR Instant Discount 1,2 Y
7 Heat Pumps $2,500 Mail-In Rebate 1,4 Y
8 Insulation $3,000 Mail-In Rebate 1 Y
9 LED Bulbs Reduced prices at retailers and distributors statewide Instant Discount 2 Y
10 Natural Gas “Combi” Boilers $300 Instant Discount 2 Y 5
11 Natural Gas Water Heaters $300 Instant Discount 2 Y 5
12 Pellet Boiler Systems $6,000 Mail-In Rebate Y
13 Room Air Purifier $25 Mail-In Rebate Y

1 Click here for elevated rebates for low-income Mainers
2 Instant discount applied by participating distributor or retailer.
3 Click here for elevated Electric Vehicle rebates for low-income Mainers and governmental entities.
4 Maximum incentives – any home / any income: $1,500, low assessed value homes: $2,000, income-eligible: $2,500.
5 Rebate amounts and loan eligibility vary according to natural gas utility.

Restrictions and eligibility requirements apply. Call 866-376-2463 for details.

Non-Efficiency Maine Incentives

Natural gas utilities: Natural gas customers may be eligible for additional rebates from their utility. Contact your natural gas provider for more information.

Federal Renewable Energy Tax Credits:

  • Get up to 26% of the cost of eligible solar and geothermal technologies (expires 12/31/2021). For more information, visit www.dsireusa.org.

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