Established in 1954, ASES is a 501(c)(3) non-profit that advocates for sustainable living and 100% renewable energy by sharing information, events and resources to cultivate community and power progress.

We integrate the perspectives of science, industry, policy and citizens. We believe knowledge and community are a powerful combination for change. Our members look to us to sustain the culture required to achieve a 100% renewable energy future.

Through our programs, Solar Today Magazine, ASES Solar Conferences and ASES National Solar Tour, we engage individuals, businesses and partnering groups to advance these possibilities.

Solar Today Magazine

Published for more than 30 years, Solar Today Magazine offers readers fresh insights and information about renewable energy solutions and sustainable living. Explore magazine


ASES’s 47th annual National Solar Conference at the University of Colorado Boulder, August 5-8, 2018. Details



The largest grassroots solar event in the nation, involving over 30,000 participants in 2016 in more than 60 cities and towns nationwide. Learn more

Tiny Watts

Coming soon! A new nationwide movement of “tiny watts”–very small applications of solar PV and solar thermal–because even small applications add up in a big way!  Learn more

Join our community!


We offer several membership options for individuals, businesses and students to meet your desired level of participation.

Support our cause.


We welcome donations of all sizes and types, whether it’s a one-time gift, a monthly contribution or part of a matching gifts program.