CAMBRIDGE, Mass.–(BUSINESS WIRE)–Alva Energy, the nuclear energy company making it faster and easier to safely boost power from existing nuclear reactors, announced the appointment of Jeff Lyash to its Board of Directors. Jeff is a deeply experienced utility industry leader, having served as CEO of the Tennessee Valley Authority (TVA), the largest public power generator in the U.S., and Ontario Power Generation (OPG), one of the world’s largest owners of nuclear power plants. Earlier in his c