Delaware Sustainable Energy Utility  DBA Energize Delaware is a  501(c)(3) nonprofit corporation offering renewable and energy-efficiency programs that help Delawareans reduce their carbon footprint. Programs range from our most popular  Home Performance with ENERGY STAR® home assessments and rebates to low-interest loans that help businesses including farms, nonprofits, congregations,  schools, government, and residents convert to solar or install energy-efficient systems.   The Energize Delaware team and partners are happy to assist Delaware residents as they become energy efficient.

If you are interested in learning about solar energy visit our website: www.SolarDelaware.org

We Believe in “Good Energy.”

Making Homes More Comfortable and Affordable.

Our programs help improve your home’s coziness and safety while reducing its energy consumption. In-home energy audits identify exactly what’s needed—from new insulation to higher-efficiency appliances and HVAC equipment. All to make your home more comfortable and affordable.

See our residential programs

Improving Bottom Lines For Businesses, Government and Nonprofits.

We also help companies, governments, nonprofits and faith-based organizations save energy and money. We provide commercial-grade energy audits and recommendations, revolving loan and energy investment funds, grants for clean solar and geothermal energy, and other initiatives.

See our nonresidential programs

The latest on energize delaware news and initiatives.

December 13, 2023

            Now, more than ever, consideration needs to be given to the homes and buildings of the future. New building methods bring confusion, which increases the need to educate contractors, architects, builders, realtors, developers even homeowners about a common language when planning for and implementing a successful high-performing energy-efficient building…

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December 4, 2023

Energize Delaware, a 501(c)(3) nonprofit organization (Delaware Sustainable Energy Utility) announced the launch of its new Business Technical Assistance program to improve energy efficiency in small and mid-size commercial buildings (SMBs), including those in underserved, low-income and disadvantaged communities across Delaware. The program helps building owners and contractors understand the importance of improving the energy…

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