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. 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.

February 16, 2023

Andrew “Drew” Slater, Delaware’s Public Advocate for the last six years, was chosen by the Board as Energize Delaware’s new Executive Director. The current Executive Director, Anthony “Tony” DePrima Ph.D, hired in 2009, is retiring from his position, but will stay on with the nonprofit until mid-March to assure a smooth transition.  “Drew Slater has…

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February 16, 2023

Public Libraries are being given an opportunity to go solar.  Energize Delaware has created and launched a new program that will give public libraries money to add a solar array to their property to cut their utility costs.  The 501 (c)(3) has allotted $3 million dollars for Fiscal year 2022-2023 and beyond. The application requires…

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