Organizations promoting energy-efficiency and technologies in an effort to achieve a cleaner environment along with reliable and affordable energy. 

Alliance to Save Energy
  Coalition of business, government, environmental and consumer leaders that promote the efficient and clean use of energy. The Alliance develops and executes programs that bring energy efficiency into homes, schools and businesses around the world.
American Council for an Energy-Efficient Economy (ACEEE)
  A research organization, produces high-quality technical information on energy-efficiency and transportation, but also offers practical advice for the general public, especially through their “Consumer Guide to Home Energy Savings and Green Book: The Environmental Guide to Cars and Trucks.”
e-FFICIENCY News
  Get the latest inside news on energy-efficiency research, policy, and events with this electronic newsletter published by the Alliance to Save Energy.
International Institute for Energy Conservation
  The International Institute for Energy Conservation is a non-profit organization that strives to accelerate the global adoption of energy-efficiency policies, technologies, and practices. Their site includes newsletters, resources, and some on-line publications.
Interstate Renewable Energy Council
  IREC is a non-profit consortium of state and local government renewable energy officials. Formed in 1980, IREC offers a range of market-oriented services and products targeted at education, coordination, and procurement.
Northeast Energy Efficiency Partnerships Inc. (NEEP)
  A non-profit regional organization founded in 1996 to increase and coordinate energy efficiency efforts in New England, New York and the mid-Atlantic region.
Northeast Sustainable Energy Association (NESEA)
  The nation's leading regional membership organization focused on promoting the understanding, development, and adoption of energy conservation and non-polluting, renewable energy technologies. NESEA is a chapter of the American Solar Energy Society.
State Renewable Energy News
  This online newsletter, sponsored by the U.S. Department of Energy, provides information on state-level renewable energy activities
Windpower Monthly Magazine News
  News, views and analyses from the world's leading independent wind energy magazine, Wind Power Monthly.