About MD-DC-VA-Solar Energy Industries AssociationMDV-SEIA is the regional association of Companies involved in Solar Energy industry. We promote the sucess of our members by expanding markets and establishing a sustainable business climateMDV-SEIA was founded in 1984 as a 501(c)(6) trade association of photovoltaics and solar thermal manufacturers, distributors, component suppliers and contractors. Our membership also includes consultants and companies that design, sell, install and maintain solar energy equipment for residential, commercial and institutional customers throughout the region. We provide outreach and education to the public and an annual conference.