District of Columbia

Our Member-Owners

Ipsun Solar


Ipsun Solar provides quality solar energy installations for home and business in DC, Maryland, and Virginia.  Our name Ipsun comes from the Latin word meaning “yourself.” Today, everybody has the option to generate their own electric power that’s better for the environment and for their pocketbook.  Founded in the nation’s capital, we value independence and community and believe that solar energy advances these values by moving our region toward climate solutions and healthier air.  Business people and homeowners can be part of this solution, and our staff are ready to make our customers’ goals reality.  A member of MDV-SEIA and a certified B Corporation, Ipsun Solar engages at the state and federal levels to make the future of solar more accessible, because for us people come first.

Washington, DC and Maryland
1826 Jefferson Place NW
Washington, DC 20036
(866) 48-IPSUN

Flywheel Development


Flywheel Development was founded in 2014 and is a leading sustainable urban design and development company in the Washington DC region. We are active in real estate, solar, and stormwater management infrastructure. Our dedicated team delivers path-breaking green building projects, from innovative solar PV to the most environmentally-responsible buildings in the District. Our ability to deliver high-value projects is grounded in our deep understanding of DC’s environmental markets as well as our diversity of touch points between green infrastructure and real estate. Our team represents diverse backgrounds in real estate development, renewable energy infrastructure, city planning, and public policy. Flywheel Development is headquartered in the District of Columbia and is a proud certified business enterprise (CBE).

1140 3rd ST NE, 2nd Floor
Washington, DC 20002
(202) 715-1650

Amicus Solar Cooperative

Our Mission

Our mission is to support values-driven, independently-owned solar energy companies working every day to create climate justice.