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:

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.

March 26, 2024

Increase from 20 to 30 percent of total eligible construction costs Commercial property owners, construction companies and developers in Delaware will be happy to know that Energize Delaware, the administrator for Commercial Property Assessed Clean Energy Program (D-PACE,) has increased the total eligible construction costs from 20 to 30 percent.  This means more money for…

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February 9, 2024

WILMINGTON- High-performing energy-efficient projects are rapidly becoming the norm. AIA Delaware and New Ecology, Inc.  and Energize Delaware will host the final two energy related educational programs that provide attendees with the building science around moisture and airflow through wall assemblies, and how high-performance construction influences material selection, installation, quality control, and operations. The topics…

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