Seminole Mill
9649 East Port Rd, Jacksonville, FL 32218Plant Summary Information
Seminole Mill is ranked #53 out of 82 natural gas power plants in Florida in terms of total annual net electricity generation.
Seminole Mill is comprised of 1 generator and generated 39.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Seminole Mill |
|---|---|
| Utility Name | WestRock Seminole |
| Location | Duval County, FL |
| Initial Operation Date | February 1957 |
| Last Update | Dec 2025 |
| Annual Generation | 150.1 GWh |
| Annual Consumption | 3.7 M MMBtu |
| Ranked #2,960 out of 13,081 Power Plants Nationwide | |
| Ranked #811 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #152 out of 332 Florida Power Plants | |
| Ranked #53 out of 82 Florida Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operator |
RockTenn-Seminole (2013 to 2019) WestRock Seminole (2020 to 2025) |
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Monthly Net Generation for Seminole Mill
Monthly Plant Fuel Consumption for Seminole Mill
Seminole Mill Details
| Summary Information | |
|---|---|
| Plant Name | Seminole Mill (50803) |
| Plant Address | 9649 East Port Rd, Jacksonville, FL 32218 |
| Utility | WestRock Seminole (27718) |
| Latitude, Longitude | 30.4178, -81.5978 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | February 1957 |
| Annual Generation | 150.1 GWh |
| Fuel Types | Natural Gas |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | Yes |
| FERC Cogeneration Docket Number | 88-220-000 |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | SERC |
| Balancing Authority | JEA (JEA) |
| NAICS Code | Paperboard Mills (32213) |
| Sector | Industrial CHP (7) |
| Water Source | Deep Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | JEA (9617) FL |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Local Distribution Company (LDC) | PEOPLES GAS SYS |
| Natural Gas Storage | No |
Generator GEN3 Details Operating February 1957
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 30 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 20 MW |
| Winter Capacity | 18 MW |
| Minimum Load | 4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | February 1957 |
| Combined Heat & Power | Yes |
|---|---|
| Sector Name | Industrial CHP (7) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Seminole Mill Plant Owners
| Owner Name | Address | 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 Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #801 | Peno Creek | Bowling Green, MO | 156.0 GWh |
| #802 | Cass County | Plattsmouth, NE | 154.7 GWh |
| #803 | MU Combined Heat and Power Plant | Columbia, MO | 200.1 GWh |
| #804 | AL Sandersville LLC | Warthen, GA | 154.3 GWh |
| #805 | PPS Power Plant No 1 | Paducah, KY | 153.5 GWh |
| #806 | Wheatland Generating Facility | Wheatland, IN | 153.3 GWh |
| #807 | Los Angeles Refinery Wilmington | Wilmington, CA | 365.4 GWh |
| #808 | University Park South | University Park, IL | 151.4 GWh |
| #809 | Oxnard Paper Mill | Oxnard, CA | 150.5 GWh |
| #810 | Enterprise Products Operating | Mont Belvieu, TX | 150.1 GWh |
| #812 | Primient Decatur Plant Cogen | Decatur, IL | 150.0 GWh |
| #813 | Smarr Energy Center | Forsyth, GA | 149.1 GWh |
| #814 | Sycamore Cogeneration | Bakersfield, CA | 148.2 GWh |
| #815 | PE Berkeley | Berkeley, CA | 147.4 GWh |
| #816 | Springdale 1 & 2 | Springdale, PA | 147.3 GWh |
| #817 | Eight Flags Energy | Fernandina Beach, FL | 147.2 GWh |
| #818 | Valencia Energy Facility | Belen, NM | 147.1 GWh |
| #819 | Limon Generating Station | Limon, CO | 147.8 GWh |
| #820 | Gans | Gans, PA | 145.5 GWh |
| #821 | South Plant (CO) | Colorado Springs, CO | 145.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Seminole Mill.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AEP Jacksonville Solar Project | Duval, FL | 13.6 GWh | 9 mi |
| Anheuser-Busch Jacksonville | Jacksonville, FL | 69.2 GWh | 3.1 mi |
| Baptist Medical Center | Jacksonville, FL | 19.6 GWh | 8.1 mi |
| Brandy Branch | Baldwin, FL | 5.0 TWh | 21.9 mi |
| Eight Flags Energy | Fernandina Beach, FL | 147.2 GWh | 18.4 mi |
| Fernandina Beach Mill | Fernandina Beach, FL | 570.3 GWh | 20.1 mi |
| Fernandina Plant | Fernandina Beach, FL | 177.7 GWh | 18.4 mi |
| Greenland Energy Center | Jacksonville, FL | 658.1 GWh | 18.5 mi |
| Hecate Energy Blair Road LLC | Jacksonville, FL | 5.8 GWh | 16.8 mi |
| IKEA Jacksonville Rooftop PV System | Jacksonville, FL | 2.1 GWh | 14 mi |
| Imeson Solar | Jscksonville, FL | 12.0 GWh | 7.5 mi |
| J D Kennedy | Jacksonville, FL | 311.0 GWh | 4 mi |
| Jacksonville Solar | Jacksonville, FL | 8.8 GWh | 22.4 mi |
| Jax LNG | Jacksonville, FL | 36.6 GWh | 2.9 mi |
| Nassau Solar Center | Callahan, FL | 142.1 GWh | 18.1 mi |
| Naval Submarine Base Kings Bay | Kings Bay, GA | 340.0 MWh | 26.1 mi |
| Northside Generating Station | Jacksonville, FL | 3.5 TWh | 2.7 mi |
| Old Plank Road Solar Farm, LLC | Jacksonville, FL | 5.3 GWh | 18.6 mi |
| Starratt Solar | Jacksonville, FL | 8.3 GWh | 5.3 mi |
| Thomas Creek | Callahan, FL | 155.8 GWh | 18.6 mi |