The American Solar Energy Society (ASES) is a national organization dedicated to advancing the use of solar energy for the benefit of U.S. citizens and the global environment. ASES promotes the widespread near- and long-term use of solar energy.

The Interstate Renewable Energy Council’s is a non-profit coalition with a mission to accelerate the sustainable utilization of renewable energy sources and technologies in and through state and local government and community activities.

The USGBC is the nation's foremost coalition of leaders from across the building industry working to promote buildings that are environmentally responsible, profitable and healthy places to work. Creators and arbiters of the Leadership in Energy and Environmental Design (LEED) green building rating and accredidation system.

The American Council for an Energy-Efficient Economy is a nonprofit organization dedicated to advancing energy efficiency as a means of promoting both economic prosperity and environmental protection.

The Alliance to Save Energy promotes energy efficiency worldwide to achieve a healthier economy, a cleaner environment, and greater energy security.

A D.C.-based non-profit dedicated to promoting public policy positions that advance the best interest of consumers of essential energy services.

Comprehensive state by state list of available incentives for renewable power installation (for both businesses and private citizens). If you are contemplating a renewable power installing for your home, farm or business, check here to make sure you're taking full advantage of the incentives available.

A coalition seeking to reinvigorate the U.S. economy and free it from dependence on foreign oil through a serious investment in renewable energies, setting the nation on a path towards a sustainable energy future and domestic energy security. Authors of the 'Apollo Report', New Energy for America

Website of a Northwest coalition seeking to actively promote development of the region's untapped renewable resources.

A collection of data on renewable resources from the folks at NREL.