Conowingo P-405

General information

Waterway  Susquehanna River
Current status  Active 
Type of facility Conventional Hydro
Type of permit FERC License

FERC information

FERC docket # P-405
Permit issued 8/9/1980
Permit expires 8/28/2014

Ownership and operation

Owner Exelon Power
Owner type Wholesale Power Marketer
Year first online (conventional hydro) 1928
Transmission or distribution system owner PECO Energy Co

Power and generating capacity

Number of units 11
Total capacity from hydraulic turbine-generator units within each plant 530.8 mW
Average annual net hydropower generation 1,922,250.8 mWH

The Conowingo project is undergoing relicensing along with the Muddy Run Pumped Storage Project (P-2355) and the York Haven Project (P-1888) on the Susquehanna River.


Proposed Study Plan Filed 08-24-2009
Draft EIS Issued 07-30-2014

News and updates

From California Sportfishing Protection Alliance1/23/2021

CSPA Defends Cold Water for North Fork Feather River & Lake Almanor

From American Rivers1/22/2021

UN report: Aging dams pose growing threat

See all news and updates