The Solar Energy Industries Association (SEIA), the national trade association for the solar energy industry, announced today that it has officially merged with the Solar Alliance, an advocacy organization committed to establishing solar policies at the state level. Effective immediately, the Solar Alliance will operate under the SEIA brand in an effort to present a unified solar industry voice in all advocacy efforts at the state level. Carrie Cullen Hitt, president of the Solar Alliance, is now Vice President for State Affairs at SEIA, and the Solar Alliance team joins Hitt as part of SEIA’s new department for State Affairs.