Principal Solar Institute

A community for solar development professionals.

Resource Guide Directory » Policy » Government

    Database of State Incentives for Renewables and Efficiency

    DSIRE is a comprehensive source of information on state, local, utility and federal incentives and policies that promote renewable energy and energy efficiency. Established in 1995 and funded by the U.S. Department of Energy, DSIRE is an ongoing project of the N.C. Solar Center and the Interstate Re…

  • National Renewable Energy Laboratory
    U.S. Department of Energy

    NREL is the only federal laboratory dedicated to the research, development, commercialization and deployment of renewable energy and energy efficiency technologies. Backed by 33 years of achievement, NREL leads the way in helping meet the growing demand for clean energy. NREL developed PVWatts – htt…

  • Oregon Department of Energy

    The mission of the Oregon Department of Energy is to ensure Oregon has an adequate supply of reliable and affordable energy and is safe from nuclear contamination, by helping Oregonians save energy, develop clean energy resources, promote renewable energy, and clean up nuclear waste.

  • Solar 3.0
    A National Platform for Process Innovation

    Solar 3.0 is an outreach initiative to promote process innovation in American cities through the standardization of local land use, zoning code ordinances, permitting processes and interconnection rules for distributed solar PV. Funded by the U.S. Department of Energy, the main goal of Solar 3.0 is…

  • U.S. Department of Energy
    Energy Efficiency and Renewable Energy

    The U.S. Department of Energy funds R&D to develop solar energy technologies. Learn about DOE solar energy programs and initiatives, how to use solar energy and get financial incentives, and access solar information.

  • Imagine Solar

    We make a difference – a difference in people’s lives.

  • Vermont SPEED

    Vermont’s Sustainably Priced Energy Development