The PEC Headworks Project—A Cooperative Hydropower Development

by Stanley J. Hayes, Harza Engineering Co, Chicago, United States,
David M. Clemen, Harza Engineering Co, Chicago, United States,
Raymond O. Ellis, Harza Engineering Co, Chicago, United States,

Document Type: Proceeding Paper

Part of: Waterpower '91: A New View of Hydro Resources


The PEC Headworks Project is a single-unit hydroelectric facility located at the headworks of the Potholes East Canal at O'Sullivan Dam on the Potholes reservoir near Moses Lake, Washington. The project was developed through exceptional coordination and cooperation between the local utility district, irrigation districts, and federal and state agencies. The plant was put into commercial operation in 1990. This paper describes the cooperative effort which developed the project and the distinctive technical features of the project.

Subject Headings: Team building | Hydro power | Electric power | Construction management | Power plants | Dams | Case studies | Lakes | Washington | United States

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