Southwark

2501 South Deleware Ave, Philadelphia, PA 19148

Plant Summary Information

Southwark is ranked #26 out of 58 distillate fuel oil power plants in Pennsylvania in terms of total annual net electricity generation.

Southwark is comprised of 4 generators and generated 241.1 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Southwark
Utility Name	Constellation Power, Inc
Location	Philadelphia County, PA
Initial Operation Date	June 1967
Last Update	Dec 2025
Annual Generation	1.3 GWh
Annual Consumption	20.6 k MMBtu
Ranked #11,963 out of 13,301 Power Plants Nationwide
Ranked #440 out of 1,239 Distillate Fuel Oil Power Plants Nationwide
Ranked #228 out of 257 Pennsylvania Power Plants
Ranked #26 out of 58 Pennsylvania Distillate Fuel Oil Power Plants
Fuel Types	Distillate Fuel Oil
Previous Operator	Exelon Power (2013 to 2021) Constellation Power, Inc (2022 to 2025)

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Southwark.

Summary Information
Plant Name	Southwark (3170)
Plant Address	2501 South Deleware Ave, Philadelphia, PA 19148
Utility	Constellation Power, Inc (6035)
Latitude, Longitude	39.9144, -75.135
Generation Dates on File	May 2001 to Dec 2025
Initial Operation Date	June 1967
Annual Generation	1.3 GWh
Fuel Types	Distillate Fuel Oil

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	RFC
Balancing Authority	PJM Interconnection, LLC (PJM)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	NA
Ash Impoundment	No
Transmission / Distribution Owner	PECO Energy Co (14940) PA
Grid Voltage	69.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SWARK 13 KV UNIT4
RTO ISO Location Designation For Reporting Wholesale Sales Data	SWARK 13 KV UNIT4
Nameplate Capacity	18.6 MW
Nameplate Power Factor	0.85
Summer Capacity	13 MW
Winter Capacity	18.2 MW
Minimum Load	5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	October 1967
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SWARK 13 KV UNIT3
RTO ISO Location Designation For Reporting Wholesale Sales Data	SWARK 13 KV UNIT3
Nameplate Capacity	18.6 MW
Nameplate Power Factor	0.85
Summer Capacity	13 MW
Winter Capacity	18.2 MW
Minimum Load	5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	June 1967
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SWARK 13 KV UNIT5
RTO ISO Location Designation For Reporting Wholesale Sales Data	SWARK 13 KV UNIT5
Nameplate Capacity	18.6 MW
Nameplate Power Factor	0.85
Summer Capacity	13 MW
Winter Capacity	18.7 MW
Minimum Load	5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	July 1967
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SWARK 13 KV UNIT6
RTO ISO Location Designation For Reporting Wholesale Sales Data	SWARK 13 KV UNIT6
Nameplate Capacity	18.6 MW
Nameplate Power Factor	0.85
Summer Capacity	13 MW
Winter Capacity	18.9 MW
Minimum Load	5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	November 1968
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No
Multiple Fuels	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Distillate Fuel Oil.

Rank	Plant Name	Plant Location	Annual Generation
#430	Montefieor Medical Center Moses Division	Bronx, NY	29.8 GWh
#431	UNH 7.9 MW Plant	Durham, NH	50.5 GWh
#432	Ambler	Ambler, AK	1.4 GWh
#433	Koyuk	Koyuk, AK	1.3 GWh
#434	Northway	Tok, AK	1.3 GWh
#435	Mountain View	Greencastle, PA	26.4 GWh
#436	Sherwood H Smith Jr Energy Complex	Hamlet, NC	9.7 TWh
#437	Covanta Haverhill	Haverhill, MA	292.5 GWh
#438	Scrubgrass Reclamation CO. LP.	Kennerdell, PA	438.9 GWh
#439	Lederle Laboratories	Pearl River, NY	139.0 GWh
#441	Manistique	Manistique, MI	1.3 GWh
#442	Pleasant Valley (VA)	Harrisonburg, VA	1.3 GWh
#443	University of Notre Dame	Notre Dame, IN	84.5 GWh
#444	Platte	Grand Island, NE	395.7 GWh
#445	Bayboro	St. Petersburg, FL	1.3 GWh
#446	Eielson AFB Central Heat & Power Plant	Eielson AFB, AK	77.1 GWh
#447	VPPSA Project 10	Swanton, VT	1.3 GWh
#448	Reworld Babylon Inc	West Babylon, NY	122.9 GWh
#449	Hayden	Hayden, CO	1.4 TWh
#450	Craig (CO)	Craig, CO	2.9 TWh

Below are closest 20 power plants surrounding Southwark.

Plant Name	Plant Location	Annual Generation	Distance
BNB Camden Solar	Camden, NJ	4.8 GWh	2.2 mi
Camden Plant Holding LLC	Camden, NJ	97.9 GWh	0.9 mi
Camden Resource Recovery Facility	Camden, NJ	158.2 GWh	1 mi
CCMUA	Camden, NJ	658.0 MWh	0.7 mi
Crowne Plaza	Cherry Hill, NJ	2.4 GWh	4.4 mi
Delaware Generating Station	Philadelphia, PA	1.8 GWh	3.7 mi
DG Camden LLC Holtec	Camden, NJ	3.6 GWh	0.9 mi
DRPA Ferry Ave Station Solar Project	City of Camden, NJ	4.7 GWh	2.3 mi
DRPA Woodcrest Station Solar Project	Haddon Township, NJ	6.3 GWh	4.7 mi
Eagle Point Power Generation	Westville, NJ	204.8 GWh	3 mi
Gloucester	Gloucester City, NJ	3.2 GWh	2.4 mi
Grays Ferry Cogeneration	Philadelphia, PA	1.1 TWh	3.4 mi
Lincoln Financial Field	Philadelphia, PA	3.1 GWh	2 mi
Navy Yard Peaker Station	Philadelphia, PA	3.0 GWh	3.2 mi
Pennsauken Brownfield Solar	Pennsauken, NJ	16.1 GWh	4.5 mi
Richmond Generating Station	Phila., PA	5.8 GWh	5.8 mi
Riverside Renewable Energy LLC	Gloucester City, NJ	11.2 GWh	0.9 mi
Schuylkill Generating Station	Phila., PA	1.0 GWh	3.4 mi
Temple SEGF	Philadelphia, PA	981.0 MWh	4.6 mi
Wheelabrator Gloucester LP	Westville, NJ	81.2 GWh	2.8 mi