Welcome to the Mid Atlantic Solar Energy Society


Join friends and neighbors in the Mid-Atlantic Region as we work together with people from across the nation and around the globe to create a truly sustainable world for all.  
We hope to see you at one of our upcoming events.    Welcome to MASES!

MASES is a regional chapter of the American Solar Energy Society.

DC Solar Homes Tour is This Weekend!


Sat. & Sun., October 1st & 2nd, 2016

(As always, the first weekend in October.) 



For more information, visit  


Get your 2016 Metro DC Solar Tour Guide Below:


1.  Download a FREE DC Solar Tour Guide & Map  


2. Buy a Guide at our favorite retailers (ONLY $5) 



       Get Your Copy Today! 



Internships Now Available.  Apply today!


Want to help convert our world to run on 100% Clean, Renewable Energy? If you're passionate about mitigating adverse climate change and want to bring your skills to this task while also learning new ones, we welcome you to join the friendly folks at MASES for a season of learning and adventure.  


As always, Apply early for best choice of assignments.    


To receive updates on future Conferences and Events,

Subscribe to our e-Newsletter or 

                         Join MASES Today

                          FREE SOLAR ENERGY

To join MASES, renew your membership, or subscribe to our e-Newsletter, just click on the "Membership" page in the menu to the left and follow the instructions.  Your MASES password will be sent to the email address you provide on the registration form. 


Never doubt what a small group of

dedicated people can do.

MASES is a regional chapter of the American Solar Energy Society. 

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