Find Energy Incentives

In May 2022, Maine enacted a sales and use tax reimbursement (per L.D. 2030) for purchased battery energy storage systems. Systems that are eligible are those with a capacity of 50 MW or greater and a...

Efficiency Maine offers a $300 instant discount on Emporia-brand, off-peak electric vehicle chargers.

Efficiency Maine offers grants for qualified bidders to install and operate public DCFC for electric vehicles within one mile of select roadway exits or routes.

Efficiency Maine administers a rebate program that offers instant and mail-in rebates for qualifying battery electric vehicles (BEV) at participating dealers or through direct purchase from a manufact...

Note: 2025 tariff rates approved in late December 2024. Additionally, L.D. 1777, enacted in June 2025, made major changes to Maine’s net energy billing (NEB) program. For kWh credit agreements, any am...

Maine grants a business equipment property tax exemption to battery storage systems, as long as more than 50% of the output from the system serves an on-site, behind the meter load, or there was an ex...

Maine's original Renewable Resource Portfolio Requirement was passed as part of the state's 1997 electric utility restructuring law. In 1999, Maine's Public Utility Commission (PUC) adopted rules requ...

Note: The Public Utilities Commission approved the Triennial Plan VI (Fiscal Years 2026-2028) in late April 2025.OriginIn June 2009, Maine enacted the Act Regarding Maine's Energy Future, which establ...

Qualified homeowners can receive up to $9,000 for residential heat pumps, $8,000 for insulation, $6,000 for biomass boilers, and $3,000 for geothermal heat pumps depending on income. For more informat...

Efficiency Maine's Commercial and Industrial Prescriptive Program offers prescriptive incentives for a variety of equipment types as well as custom incentives for new construction and retrofits. Examp...

Maine law requires that any municipal ordinance, bylaw, or regulation adopted after September 30, 2009 regulating solar energy devices on residential property follow certain requirements. The rules, b...

Note: The Federal Inflation Reduction Act (IRA) created the Home Electrification and Appliance Rebate (HEAR) Program. The IRA established the main parameters for this program but allowed the states to...

Efficiency Maine provides financing for certain small business owners upgrading to high performance heat pumps and variable refrigerant flow (VRF) systems. Businesses registered as a "Small Genera...

Maine offers a property tax exemption for solar and wind energy equipment generating heat or electricity, as long as all of the energy is (1) used on-site where the property is located or (2) transmit...

Community Solar in the state of Maine is governed by by P.L. 2019 c. 478, P.L. 2021 c.390, and Chapter 313 of the Public Utility Commissions (PUC) rules. These rules govern the state's Net Energy Bill...

Efficiency Maine offers a variety of home energy loans to help customers pay for energy upgrades. Maine homeowners of any-income can borrow up to max $25,000 over 10 years with interest rates fixed at...

Efficiency Maine's Large Battery Management program is seeking demand metered customer participants (commercial, nonprofits, institutions, and government) to install and dispatch energy storage during...

Efficiency Maine's Small Battery Management program gives residential and small commercial participants with existing and new battery systems $100/kW of average discharge during demand response events...

Efficiency Maine offers a $50 rebate for the purchase of ENERGY STAR-certified clothes washers. See the program website here for the mail-in rebate forms. Efficiency Maine also offers various discount...