A Snapshot of Your Day Siemens Energy in Charlotte is the North American hub, producing all three main power-producing products used by central station power producers (Generators, Steam Turbines and Gas Turbines). Manufacturing is an integral part of the Siemens Energy Charlotte facility. Small Machining is a business unit within the Steam (SU) Product Line Service, with the mission to be the primary service center in North America for the Nuclear and Fossil Main Steam Valves and Actuators. The