Development of the Owyhee Dam Hydroelectric Projectby Donald P. Jarrett, Hosey & Associates Engineering, Co, Bellevue, WA, USA,
Hugh W. Pace, Hosey & Associates Engineering, Co, Bellevue, WA, USA,
Julie R. Stanaszek, Hosey & Associates Engineering, Co, Bellevue, WA, USA,
Abstract: The Owyhee Project Power Committee and Owyhee Irrigation District are developing the Owyhee Dam Power Plant, currently under construction in eastern Oregon. The power plant is being constructed at the base of Owyhee Dam, a USBR facility constructed in the 1930's. A single horizontal-shaft Francis turbine direct coupled to a 5,000 kW at 95 percent power factor synchronous generator will supply power to the 69 kV transmission line. Previously, irrigation releases were made through several 48-inch needle valves in the dam. Energy simulations, based on 45 years of historical flows and water surface elevations, predict approximately 16 million kWh annually. Multiple equipment and construction contracts have been let in order to achieve the lowest cost and earliest possible on-line date. The project is being financed by the Oregon Department of Energy's Small Scale Energy Loan Program.
Subject Headings: Power plants | Hydro power | Dams | Hydraulic design | Power transmission lines | Turbines | Flow simulation | Irrigation | Oregon
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