Best Renewable Energy Grants in Connecticut

The Environment Pillar Award by Honda supports nonprofit organizations and schools in the U.S. focused on sustainability. Grants aim to reduce environmental impact through programs in decarbonization, clean energy, and efficient resource use. Eligible projects must align with Honda's mission and primarily benefit communities where Honda associates live and work. Organizations can apply for up to two grants, provided they meet specific eligibility criteria, including tax-exempt status under the IRS.

The Barr Foundation's Climate Grants program is committed to addressing climate change through equitable solutions that prioritize communities impacted by environmental injustices. With a focus on clean energy, mobility, and resilience, the program aims to foster an inclusive movement that supports diverse voices and builds capacity among organizations led by people of color. The initiative emphasizes collaboration and innovative strategies to reduce greenhouse gas emissions and prepare communities for climate impacts.

Connecticut Department of Energy and Environmental Protection

The Connecticut Department of Energy and Environmental Protection (DEEP) is charged with conserving, improving and protecting the natural resources and the environment of the state of Connecticut as well as making cheaper, cleaner and more reliable energy available for the people and businesses of the state. The agency is also committed to playing a positive role in rebuilding Connecticut’s economy and creating jobs – and to fostering a sustainable and prosperous economic future for the state.

DEEP has established five strategic goals that guide the work across our programs. The Department is organized into the Office of the Commissioner and three Branches: Energy Branch, Environmental Quality Branch, and Environmental Conservation Branch.

Energy Resilience Construction Grant Program

Energy Resilience Construction Grants are available for entities to support local distributed energy generation and resilient infrastructure deployment at critical state facilities, prioritizing proposals from Vulnerable Communities. This funding comes from the Grid Resilience State and Tribal Formula Grants Program, BIL (P.L. 117-169) Section 40101(d) and the energy construction component of the DCRF authorized pursuant to Section 16-243y of the Connecticut General Statutes.

The Eversource Energy Foundation Grants support community initiatives by providing funding to organizations in Connecticut, Massachusetts, and New Hampshire. Grants typically range from $1,000 to $10,000 and require annual reapplication. Organizations must be based within the service territory and hold a 501(c)(3) designation. The Foundation prioritizes projects focused on community wellness, education, clean energy, and economic development while avoiding support for political, fraternal, or discriminatory activities.