OR

Toketee P-1927


General information

Waterway  North Umpqua River
Current status   Active 
Type of facility Conventional Hydro
Mode of hydropower generation Peaking
Type of permit FERC License

FERC information

FERC docket # P-1927
FERC project name North Umpqua
Other projects with this FERC number
Permit issued 11/13/03
Permit expiration 10/27/38

Ownership and operation

Owner PacifiCorp
Owner type Investor-Owned Utility
Year first online (conventional hydro) 1949
Transmission or distribution system owner PacifiCorp

Power and generating capacity

Number of units 3
Total capacity from hydraulic turbine-generator units within each plant 42.6 mW
Average annual net hydropower generation 216,532.6 mWH

The North Umpqua Project was constructed between 1947 and 1956. It consists of a series of dams and canals that divert water to the eight developments, each of which has a powerhouse and a dam. The Toketee Development, located at the confluence of the Clearwater and North Umpqua Rivers, includes a 58-foot-high embankment dam on the North Umpqua that impounds the 96.9-acre Toketee Lake (with a total maximum storage capacity of 1,051acre-feet), 6,994 feet of pipe and tunnel extending from Toketee dam to the penstock, a single 1,067-foot-long penstock that splits into three approximately 158-footlong sections near its downstream end, and a powerhouse with three turbine-generators having a combined installed capacity of 42,500 kW. The powerhouse is located on the North Umpqua approximately two miles downstream of Toketee Lake, which serves as the forebay for the development and provides active storage to regulate flow through the powerhouse.

Toketee Dam

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