AK

Whitman Lake Project P-11841

General information

Waterway  Whitman Lake
Current status  Active 
Type of facility Conventional Hydro
Mode of hydropower generation Run-of-river
Type of permit FERC License

FERC information

FERC docket # P-11841
Permit issued 3/12/2009
Permit expires 2/24/2059

Ownership and operation

Owner Ketchikan Public Utilities
Owner type Publicly Owned Utility
Year first online (conventional hydro) 2015
Transmission or distribution system owner Ketchikan Public Utilities

Power and generating capacity

Number of units 2
Total capacity from hydraulic turbine-generator units within each plant 4.8 mW
Average annual net hydropower generation 8,183.0 mWH

The Whitman Lake Hydroelectric Project would be located on the southeast end of Revillagigedo Island in southeastern Alaska, approximately four miles east of Ketchikan, within the Whitman Lake and Achilles Creek watersheds. Whitman Lake was a naturally formed lake prior to impoundment. In 1927 construction of the 39-foot-high, 220-foot-long concrete gravity arch dam (Whitman dam) with a 40-foot-wide Ogee spillway, increased the reservoir’s area to 0.23 square mile (148 acres).

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