Building 42 houses a gas turbine that can supply up to about 22 megawatts of electrical power. However, it normally supplies only a fraction of the electricity used on campus. Elijah Mena—The Tech May. 9, 2016 Facebook Twitter Reddit Print Building 42 houses a gas turbine that can supply up to about 22 megawatts of electrical power. However, it normally supplies only a fraction of the electricity used on campus. Elijah Mena—The Tech