ASES is leading the renewable energy revolution. We’re the nonprofit organization dedicated to increasing the use of solar energy, energy efficiency, and other sustainable technologies in the U.S. Founded in 1954, the American Solar Energy Society (ASES) is now supported by more than 10,000 members across the nation who work together to help create a sustainable energy economy. Combined with ASES’ regional chapters in 36 states and as the U.S. section of the International Solar Energy Society we’re part of a powerful, collaborative network – because the need for renewable energy is clear.