Here is a partial list of the maximum rebates, discounts, and federal tax credits for homeowners investing in energy efficiency and renewable energy. For full details, click on the hyperlinked amounts below.
| Upgrade | Federal Tax Credit (end dates vary) | Efficiency Maine Low Income Incentives | Efficiency Maine Moderate Income Incentives | Efficiency Maine Any Income Incentives | |
|---|---|---|---|---|---|
| Water Heaters | Heat Pump Water Heater | $2,000** | $1,100 | $1,100 | $1,100 |
| Water Heaters | 200+ amp circuit panel upgrade | $600* | |||
| Heating and Cooling | Heat Pumps | $2,000** | $9,000 | $6,000 | $3,000 |
| Heating and Cooling | 200+ amp circuit panel upgrade | $600* | |||
| Heating and Cooling | Pellet/Wood Boiler/Furnace | $2,000** | $6,000 | $6,000 | $6,000 |
| Heating and Cooling | Pellet/Wood Stove | $2,000** | |||
| Heating and Cooling | Oil/Gas Boiler | $600* | |||
| Heating and Cooling | Oil/Gas Furnace | $600* | |||
| Heating and Cooling | Geothermal | 30% no cap | $3,000 | $3,000 | $3,000 |
| Weatherization | Insulation | $1,200* | $8,000 | $6,000 | $4,000 |
| Weatherization | Energy Audit | $150* | |||
| Weatherization | Windows | $600* | |||
| Weatherization | Exterior Doors | $250/door, $500 total* | |||
| Electric Vehicles | EVs | $7,500 | $7,500 | $2,000 | |
| Electric Vehicles | EV Charger | $300 | $300 | $300 | |
| Batteries | Installation of Battery | 30% no cap*** | |||
| Appliances | Clothes Washers | $50 | $50 | $50 | |
| Other | ECM Circulator Pumps | $75 | $75 | $75 | |
| Other | Solar | 30% no cap*** |
* 30% of net cost after rebate up to $1,200/year shared maximum. Expires December 31, 2025.
** 30% of net cost after rebate up to $2,000/year shared maximum. Expires December 31, 2025.
*** 30% no cap tax credit expires December 31, 2025.
Eligibility requirements apply. Program and incentives subject to change or termination.
Efficiency Maine’s Green Bank offers home energy loans to help homeowners pay for qualifying energy upgrades. To make the loan process as simple as possible, Efficiency Maine has implemented a new, streamlined online lending platform for loan applications and servicing. It’s easy and fast.
