Established in 1974, the Solar Energy Industries Association (SEIA) is the national trade association of the U.S. solar energy industry, serving its 1,100 member companies. Through research, advocacy and education, SEIA is working to build a strong solar industry to power America. The SEIA Political Action Committee (SolarPAC) allows the solar industry to support candidates who are committed to expanding the use of solar technologies in the global marketplace and who will promote a legislative and regulatory climate favorable to our industry.