York Haven Dam

York Haven Dam

dam_name= York Haven Dam

official_name= York Haven Hydro Station
crosses= Susquehanna River
reservoir= Frederic Lake
locale= Central Pennsylvania, U.S.
maint= York Haven Power Company
length= 8,000 foot (2,438 m)cite web |url= http://journals.iranscience.net:800/Default/www.asme.org/history/brochures/h057.pdf |title= National Historic Mechanical Engineering Landmark: Kaplan Turbine |publisher= American Society of Mechanical Engineers |date= 1980-10-20 |format= PDF |accessdate= 2006-08-20]
began= 1901
open= 1904cite web |url=http://www.firstenergycorp.com/environmental/files/AirIssuesReport_12-23-05.pdf |title= Air Issues Report |format= PDF |accessdate= 2006-08-20]

coordinates= coord|40|07|03|N|76|42|55|W|region:US_type:landmark

York Haven Dam is a low head, run-of-the river, dam and hydroelectric plant on the Susquehanna River. The dam is south of Harrisburg, Pennsylvania, at the Conewago Falls, where the river drops 19 feet in 1/4 mile. When the dam was completed in 1904, it was the third largest in the world.

The major axis of the 5,000 foot diversion dam is north to south and connects to a 3,000 foot headrace which heads southeast. The dam and headrace a laid out along natural rock formations in the river. The south eastern end is on the "western" bank at York Haven. The north end lands at Three Mile Island. There is a smaller dam further up Three Mile Island that completes the crossing to the eastern bank of the river. The hydroelectric plant is at the south eastern end near the western bank of the river.

The hydroelectric plant generates 19-20 Megawatts of power. [cite web |url= http://www.puc.state.pa.us/PcDocs/616286.pdf#search=%22%22York%20Haven%22%20Hydroelectric%20-fish%20-elster%22 |format= PDF |title= Comments of Metropolitan Edison Company, Pennsylvania Electric Company and Pennsylvania Power Company |pages= 3] The plant has 13 horizontal generators that produce up to 1,000 kilowatts each. There are 7 vertical generators that generate between 1,200 and 1,600 kilowatts apiece. Four of the vertical units use Kaplan turbines. The plant uses one of the first Kaplan turbines installed in the United States, which is listed as a National Historic Engineering Landmark. [cite web |title= Kaplan Turbine (1929) |url= http://www.asme.org/Communities/History/Landmarks/Kaplan_Turbine_1929.cfm |publisher= American Society of Mechanical Engineers |accessdate= 2006-08-20]

The ownership, as of 2006-08-20, runs York Haven Power Company owned by Metropolitan Edison Company, which is operating company of FirstEnergy Corporation. The plant's FERC license runs through August 2014.

See also

*List of dams and reservoirs of the Susquehanna River


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