Brief: Tecogen Q1 loss per share $0.04
May 7 (Reuters) - Tecogen Inc TGEN.O : * Announces first quarter earnings * Q1 revenue rose 45 percent to $6.103 million * Q1 loss per share $0.04 * Source text for Eikon ID:nPn2Kpz9d * Further company coverage TGEN.O ((Bengaluru Newsroom; +1 646 223 8780))