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.


Let's all go on the DC Solar Tour!


Sat. & Sun., October 7th & 8th, 2017

(As always, the first weekend in October.) 



 Last Call:  Order your printed color Guide & Map today!


The guide serves as your ticket for your family or small group to visit all homes on the tour.

 The guide is only $10 per copy (including shipping), but is

FREE to all current MASES members.  Perhaps time to Join or Renew 

 Please order, join or renew early (before 24 September 2017) to ensure timely delivery. 

  For more information, visit  



Plan to attend the 46th Annual National Solar Conference:


For more information, visit


Solar 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 current skills to this task while also learning new ones, we welcome you to join us for a season of learning and adventure.  


As always, Apply Early for best choice of assignments. 

                         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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