Georgetown Steam Plant

Historic note: Built 1906-1907 by Seattle Electric Company on 18 acres along the Duwamish River. Powered the Interurban Railway between Seattle and Tacoma, provided DC for Seattle streetcars and AC for Georgetown (then an independent city). Featured two vertical Curtis Turbines that helped establish steam turbines as viable large-scale power generators. Last produced electricity in January 1953. Decommissioned 1972. Declared a National Historic Landmark in 1984 and an ASME National Historic Mechanical Engineering Landmark.