Celebrating its 46th anniversary in 2020, the Solar Energy Industries Association® is the national trade association of the U.S. solar energy industry, which now employs more than 242,000 Americans. Through advocacy and education, SEIA® is building a strong solar industry to power America. SEIA works with its 1,000 member companies to build jobs and diversity, champion the use of cost-competitive solar in America, remove market barriers and educate the public on the benefits of solar energy.