Delaware Generating Station
1325 N. Beach St., Philadelphia, PA 19125Plant Summary Information
Delaware Generating Station is ranked #18 out of 58 distillate fuel oil power plants in Pennsylvania in terms of total annual net electricity generation.
Delaware Generating Station is comprised of 4 generators and generated 346.1 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Delaware Generating Station |
|---|---|
| Utility Name | Constellation Power, Inc |
| Location | Philadelphia County, PA |
| Initial Operation Date | April 1969 |
| Last Update | Dec 2025 |
| Annual Generation | 1.8 GWh |
| Annual Consumption | 27.1 k MMBtu |
| Ranked #11,128 out of 13,094 Power Plants Nationwide | |
| Ranked #380 out of 1,234 Distillate Fuel Oil Power Plants Nationwide | |
| Ranked #213 out of 251 Pennsylvania Power Plants | |
| Ranked #18 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) |
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Monthly Net Generation for Delaware Generating Station
Monthly Plant Fuel Consumption for Delaware Generating Station
Delaware Generating Station Details
| Summary Information | |
|---|---|
| Plant Name | Delaware Generating Station (3160) |
| Plant Address | 1325 N. Beach St., Philadelphia, PA 19125 |
| Utility | Constellation Power, Inc (6035) |
| Latitude, Longitude | 39.96802, -75.1252 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | April 1969 |
| Annual Generation | 1.8 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 | Delaware River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | PECO Energy Co (14940) PA |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 11 Details Operating April 1969
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DELA PE 13 KV UNIT11 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DELA PE 13 KV UNIT11 |
| Nameplate Capacity | 18.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 13 MW |
| Winter Capacity | 19.6 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 1969 |
| 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 |
Generator 10 Details Operating May 1969
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DELA PE 13 KV UNIT10 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DELA PE 13 KV UNIT10 |
| Nameplate Capacity | 18.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 13 MW |
| Winter Capacity | 19.1 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 1969 |
| 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 |
Generator 12 Details Operating May 1969
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DELA PE 13 KV UNIT12 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DELA PE 13 KV UNIT12 |
| 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 | May 1969 |
| 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 |
Generator 9 Details Operating July 1970
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DELA PE 13 KV UNIT09 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DELA PE 13 KV UNIT09 |
| Nameplate Capacity | 21.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 17 MW |
| Winter Capacity | 20.6 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 1970 |
| 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 |
Delaware Generating Station Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Distillate Fuel Oil.
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|---|---|---|---|
| #370 | Pixelle Specialty Solutions LLC - Chilli | Chillicothe, OH | 272.9 GWh |
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| #373 | Aniak | Aniak, AK | 1.9 GWh |
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| #376 | Shrewsbury | Shrewsbury, MA | 1.9 GWh |
| #377 | P L Bartow | St. Petersburg, FL | 6.1 TWh |
| #378 | New Stuyahok | New Stuyahok, AK | 1.9 GWh |
| #379 | Johnsonville | New Johnsonville, TN | 1.5 TWh |
| #381 | McGrath | McGrath, AK | 1.8 GWh |
| #382 | Tenaska Virginia Generating Station | Scottsville, VA | 4.5 TWh |
| #383 | Detour | Detour, MI | 1.8 GWh |
| #384 | Harding Street | Indianapolis, IN | 4.0 TWh |
| #385 | Fredonia (WA) | Mt Vernon, WA | 57.9 GWh |
| #386 | Nebraska City | Nebraska City, NE | 7.4 TWh |
| #387 | North Valmy | Valmy, NV | 1.4 TWh |
| #388 | Kiana | Kiana, AK | 1.8 GWh |
| #389 | Scammon Bay | Scammon Bay, AK | 1.8 GWh |
| #390 | Shishmaref | Shishmaref, AK | 1.8 GWh |
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|---|---|---|---|
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| Schuylkill Generating Station | Phila., PA | 1.0 GWh | 3.8 mi |
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