Established in 1998 as a spin-off from Real Goods Trading Company, the Solar Living Institute in Hopland, CA, is a 501(c)(3) non-profit educational organization whose mission is to promote sustainable living through inspirational environmental education. The Institute provides practical, education by example and hands-on workshops on renewable energy, green building, sustainable living, permaculture, organic gardening and alternative, environmental, construction methods.

The Institute is headquartered at the Solar Living Center, a gorgeous 12-acre renewable energy and sustainable living demonstration site visited by nearly 200,000 people annually in the heart of Northern California’s wine country in Hopland, California. Since its inception nearly two million visitors have experienced the Solar Living Center. - (Read more)

The mission of the Arizona Solar Center is to enhance the utilization of renewable energy, educate Arizona's residents on solar technology developments, support commerce and industry in the development of solar and other sustainable technologies and coordinate these efforts throughout the state of Arizona. - (Read more)

The ISEA was founded in 1975 and incorporated in the State of Illinois in 1979.   We are a 501(c)3 non-profit organization supported by our members and volunteers.  The ISEA is the Illinois chapter of the American Solar Energy Society (ASES). 

New York Solar Energy Industries Association (NYSEIA) is the only statewide non-profit membership and trade association dedicated solely to advancing solar energy use in New York State. - (Read more)

Alaska Sun is a coalition of solar businesses, academics, and interested individuals working toward a renewable energy future for Alaska and was established in May 2001. Funding for our effort was originally through the National Million Solar Roofs Coalition monies from the U.S. Department of Energy. The site is now maintained by UAF's Cooperative Extension Service to provide a dedicated site promoting renewable energy for Alaska. - (Read more)

The Colorado Solar Energy Industries Association represents and serves energy professionals and renewable energy users. We promote the use of solar energy and conservation to improve the environment and create a sustainable future.

The Colorado Solar Energy Industries Association represents the solar industry in Colorado. Membership is comprised primarily of active, passive, and photovoltaic companies that provide both residential and commercial system products and services to consumers and businesses.

CoSEIA is the Colorado state chapter of the national Solar Energy Industries Association (SEIA) , and was organized in 1989.