MACH Gen GP, LLC is the general partner of MACH Gen, LLC, a Texas-based independent power producer owning and operating three natural gas-fired electric generating facilities totaling 2,532 megawatts. The portfolio includes a 1,080 MW plant in Athens, New York, a 1,092 MW plant in Maricopa County, Arizona, and a 360 MW plant in Charlton, Massachusetts, each dispatching into deregulated ISO-managed markets. Headquartered in The Woodlands, Texas, the business reported approximately $350 million in annual operating revenue, with operations managed by NAES Corporation.