San Francisco Supervisors Tom Ammiano and Ross Mirkarimi - the sponsors of San Francisco's breakthrough Community Choice clean energy plan - join with California Community Choice law author Paul Fenn of local.org, the law's legislative sponsor State Senator Carol Migden, Sierra Club's John Rizzo, John Passacantando of Greenpeace, and others to mark another milestone in making the largest municipal solar energy build-out in U.S. history a reality.