Osage P-459

General information

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

FERC information

FERC docket # P-459
FERC project name Osage
Permit issued 3/25/07
Permit expiration 2/24/47

Ownership and operation

Owner Union Electric Co
Owner type Investor-Owned Utility
Year first online (conventional hydro) 1931
Transmission or distribution system owner Union Electric Co - (MO)

Power and generating capacity

Number of units 10
Total capacity from hydraulic turbine-generator units within each plant 208.0 MW
Average annual net hydropower generation 548,936.7 MWH

The project is located on the Osage River, in Benton, Camden, Miller, and Morgan Counties, Missouri.The project is located immediately downstream from the U.S. Army Corps of Engineers’ Harry S. Truman Dam.

An agreement relating to the project was reached in May 2005, between AmerenUE and several agencies.


EA for SMP Released 06-10-2009
EA released 08-08-2006


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