Muddy Run P-2355

General information
Waterway	Susquehanna River
Current status	Active license
Type of facility	Pumped Storage
Mode of hydropower generation	Peaking
Type of permit	FERC License
FERC information
FERC docket #	P-2355
FERC project name	Muddy Run Pumped Storage
Permit issued	12/17/15
Permit expiration	11/26/55
Ownership and operation
Owner	Exelon Power
Owner type	Wholesale Power Marketer
Year first online (pumped storage)	1967
Transmission or distribution system owner	PECO Energy Co
Power and generating capacity
Number of units	8
Total capacity from pumped storage turbine-generator units	1,072.0 MW
Pumped storage gross generation in megawatt hours for each powerplant	1,542,392.7 MWH

The Muddy Run Project is located 22 miles upstream of the Chesapeake Bay on the eastern side of the Susquehanna River, within Lancaster County, Pennsylvania.

Muddy Run is one of five projects located on the Lower Susquehanna River. The three projects upstream from the Muddy Run are: York Haven Project (P-1888), and Safe Harbor Project (P-1025), Holtwood (P-1881). The Conowinigo Conowingo Hydroelectric Project (P-405), downstream of the Muddy Run project, is currently seeking a new license.