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) transmitted through the facilities of a transmission and distribution utility, and a customer or customers receive a bill credit for the energy produced.

AB 1817 of 2018 created an exemption from the sales and use tax for "qualified tangible personal property purchased for use by a qualified person to be used primarily in the generation or production, or storage and distribution, of electric power." The exemption also applies to contractors who purchase the equipment in the service of a contract with a qualified person. "Qualified person" is defined in the statutes. 

The exemption does not apply to the generation or production of electricity from nuclear energy, large hydro, or fossil fuels, except when used in cogeneration. However, the exemption does apply to the

As of April 13, 2020, the last solicitation for this program took place in October 2018.

The Public Service Commission of Wisconsin's Office of Energy Innovation offers grants for certain energy projects through the Energy Innovation Grant Program. Applicants for the grant program must be either municipal or tribal governments, K-12 school districts, or manufacturers. Eligible projects include building energy efficiency, energy storage, renewable energy, alternative fuel transportation, facility and fleet audits, comprehensive energy plans, and feasibility studies and training and operations for any of these project types.

Awards for the 2019 fiscal year have been determined; information for the

Note: In 2010, the Federal Housing Finance Agency (FHFA), which has authority over mortgage underwriters Fannie Mae and Freddie Mac, directed these enterprises against purchasing mortgages of homes with a PACE lien due to its senior status above a mortgage. Most residential PACE activity subsided following this directive; however, some residential PACE programs are now operating with loan loss reserve funds, appropriate disclosures, or other protections meant to address FHFA's concerns. The Federal Housing Administration (FHA), a branch of the U.S. Department of Housing and Urban Development (HUD), has released initial guidelines for using PACE with FHA-secured single or multifamily

The AEA Solar Program provides solar photovoltaic and solar thermal energy information, references, and technical assistance, while sharing information about solar project issues such as microgrid phase imbalance.

The Solar Energy Program (SEP) program offers financial assistance as loans to eligible applicants to promote manufacturing, research and development, and generation of solar energy in the state.  The program is administered jointly by the Department of Community and Economic Development (DCED) and the Department of Environmental Protection (DEP) under direction of the Commonwealth Financing Authority (CFA). 

Eligibility

The program provides loans for solar projects, including generation, distribution, storage, manufacturing or assembly facilities for solar panels or equipment, and development or construction of facilities used for research and development of technology related to solar energy.  The terms of the loan for