Siemens Power Generation, Inc (SPGI) is a power generation company based in the United States run by the German Siemens AG Corporation.
SPGI was formed by the acquisition and merger of the non-nuclear energy divisions of Westinghouse Electric Company by the Siemens power generation division in 1997; the organisation was then known as Siemens Westinghouse and underwent a change to its present name in 2005.
Siemens Power Generation has a large number of offices and plants in the United States including Orlando, Florida; Charlotte, North Carolina; Fort Payne, Alabama; Winston-Salem, North Carolina; Alpharetta, Georgia; as well as Hamilton, Ontario, Canada, and overseas. Siemens Power Generation also runs the Siemens Westinghouse Competition, an international science and technology competition.