(http://www.ases.org/) American Solar Energy Society, established in 1954, is the nation's leading association of solar professionals & grassroots advocates.
(http://www.coseia.org/newsite/index.php?id=1) COSEIA:Colorado Solar Energy Industry Association. Established in 1989, COSEIA is the nonprofit association leading Colorado's solar industry. Our mission is to expand the use of solar technologies across Colorado. COSEIA advances solar policy, removes market barriers, highlights emerging trends, and improves education and outreach.
(http://www.nrel.gov/) NREL is the National Renewable Energy Laboratory dedicated to research and development of renewable energy.
Solar Rating and Certification Corporation is an independent testing and rating facility. "In 1980 the Solar Rating and Certification Corporation (SRCC) was incorporated as a non-profit organization whose primary purpose is the development and implementation of certification programs and national rating standards for solar energy equipment."
(http://www.rmi.org/residentialenergyplus) Rocky Mountain Institute: Rocky Mountain Institute (RMI)—an independent nonprofit founded in 1982—transforms global energy use to create a clean, prosperous, and secure low-carbon future. It engages businesses, communities, institutions, and entrepreneurs to accelerate the adoption of market-based solutions that cost-effectively shift from fossil fuels to efficiency and renewable’s. In 2014, RMI merged with Carbon War Room (CWR), whose business-led market interventions advance a low-carbon economy. The combined organization has offices in Snowmass and Boulder, Colorado; New York City; Washington, D.C.; and Beijing.