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.

Share YOUR Climate Solutions at SOLAR 2023!

Submit your Presentation Proposal by Jan. 6th, 2023.


52nd Annual National Solar Conference

     August 8 - 11, 2023  |  Boulder Colorado


Save the date! SOLAR 2023, ASES' annual National Solar Conference is set to take place August 8-11, 2023 in beautiful Boulder Colorado at the University of Colorado, Boulder!

You can submit your proposal to present at 

ASES offers a variety of presentation options for you to share your research, programs, operations, personal actions, visions, etc. 

Please submit your proposal by January 6, 2023 at

Submissions will close January 6, 2023.

Thanks for your interest, we look forward to reading your proposal.

Learn more & Submit YOUR Proposal at!

The Solar Tour Continues...

You can still view Virtual Tours online!

Plus, some In-person Tours are still available in certain regions,

so please be sure to check dates and times at


Tour Solar & Green Homes!

Learn how YOU can help SAVE Planet Earth!

As always, the tour is FREE. 

Just explore sites at

Help support the Solar Tour program -- Donate Today!




Please help support our programs. 


Donate Today!



The Mid Atlantic Solar Energy Society is a regional chapter of the American Solar Energy Society, serving the Metropolitan Washington DC area and surrounding states. 


Charitable contributions to all MASES and ASES are Tax Deductible per IRC Section 501(c)(3).

Thanks so much for your generous support!

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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