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Events

Upcoming events

  • 2025 DC Solar Tour: (Metro DC / MD / VA)

    • October 04, 2025
    • October 05, 2025
    • 2 sessions
    • DC Metro Area, Virginia, Maryland
    Register
       

    Plan to attend.. or Host if you can!


    Virtual & In-Person Tours!


    Saturday & Sunday, 

    October 4th & 5th, 2025


    Sign up to HOST a tour (virtual or in-person) at:

    www.NationalSolarTour.org.


    The tour is FREE.

    Register today for Free e-Guides

    and the latest Tour Updates.


    Or... Just Explore the sites and times at:

    www.NationalSolarTour.org.

           


    Bring your family and friends and make a day of it!
      
    This local solar tour is organized by the Mid Atlantic Solar Energy Society, a chapter of the American Solar Energy Society.  Both organizations are 501(c)(3) educational non-profits, and tax-deductible donations are most appreciated.   Join, Sponsor or Donate today!
     
     
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Past events

August 04, 2025 SOLAR 2025 -- 54th Annual National Solar Conference
October 05, 2024 2024 DC Solar Tour: (DC / MD / VA)
May 20, 2024 SOLAR 2024 -- 53rd Annual National Solar Conference
February 01, 2024 SOLAR 2024 Local Organizing Committee (LOC) Meetings
October 06, 2023 2023 National Solar Tour -- DC Metro Region (DC / MD / VA)
August 08, 2023 SOLAR 2023 -- 52nd Annual National Solar Conference
October 08, 2022 Virtual -- 27th Annual National Solar Tour
June 21, 2022 SOLAR 2022 -- 51st Annual National Solar Conference
October 02, 2021 2021 DC Solar Tour: (DC / MD / VA)
August 03, 2021 SOLAR 2021 -- 50th National Solar Conference
July 28, 2020 SOLAR 20/20 -- Now Streaming 15 select sessions FREE!
October 05, 2019 2019 Metro DC Solar Tour: (DC / MD / VA)
October 26, 2018 100% Renewables for Virginia and our World
October 06, 2018 2018 Metro DC Solar Tour: (DC / MD / VA)
August 05, 2018 SOLAR 2018 -- ASES National Solar Conference & Summit
January 21, 2018 100% Renewables for the Mid Atlantic Region + MASES Annual Meeting
October 07, 2017 2017 Metro DC Solar Tour: (DC / MD / VA)
October 01, 2016 2016 Metro DC Solar Tour: (DC / MD / VA)
July 10, 2016 SOLAR 2016 -- ASES National Solar Conference
June 25, 2016 Help DC, MD & VA Achieve 100% Renewables at MASES Annual Meeting
April 16, 2016 4th USA Science & Engineering Festival -- FREE
April 16, 2016 2016 P3 Competition / National Sustainable Design Expo -- FREE
July 27, 2015 SOLAR 2015 -- ASES National Solar Conference
May 23, 2015 Going Solar in 2015 (Part 2) + MASES Spring Meeting
April 11, 2015 National Sustainable Design Expo / P3 Competition
January 03, 2015 Going Solar in 2015 + MASES Annual Meeting
October 04, 2014 2014 Metro DC Solar Tour: (DC / MD / VA)
July 06, 2014 SOLAR 2014 -- ASES National Solar Conference
April 26, 2014 National Sustainable Design Expo / P3 Competition
November 03, 2013 ISES Solar World Congress 2013
October 05, 2013 Solar Tour: Metro DC / Maryland / Virginia
October 01, 2013 Project Digitize Campaign
September 21, 2013 DC Green Festival (Visit MASES as Booth #540)
June 15, 2013 MASES ANNUAL MEETING
April 21, 2013 Green Living Expo and Earth Week Community Fair
April 20, 2013 SolarFest 2013
April 16, 2013 SOLAR 2013 -- ASES National Solar Conference
October 06, 2012 National Solar Tour
September 17, 2012 Maryland Clean Energy Summit 2012
May 13, 2012 2012 World Renewable Energy Forum & ASES National Solar Conference
February 13, 2012 DC SUN: A Collection of Solar Cooperative Neighborhoods
December 04, 2011 Open House at Solar Home in Olney
December 03, 2011 ANNUAL MEETING AND CONFERENCE
September 23, 2011 Solar Decathlon
December 04, 2010 ENERGY - ACHIEVING A CLEAN, RENEWABLE AND SUSTAINABLE FUTURE


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

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