Ouachita
350 Harvey Gregg Rd., Sterlington, LA 71280Plant Summary Information
Ouachita is ranked #9 out of 83 power plants in Louisiana in terms of total annual net electricity generation.
Ouachita is comprised of 6 generators and generated 905.8 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Ouachita |
|---|---|
| Utility Name | Entergy Louisiana LLC |
| Location | Ouachita Parish, LA |
| Initial Operation Date | August 2002 |
| Last Update | Dec 2025 |
| Annual Generation | 3.9 TWh |
| Annual Consumption | 32.1 M MMBtu |
| Ranked #295 out of 12,613 Power Plants Nationwide | |
| Ranked #150 out of 2,246 Natural Gas Power Plants Nationwide | |
| Ranked #9 out of 83 Louisiana Power Plants | |
| Ranked #7 out of 55 Louisiana Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
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Monthly Net Generation for Ouachita
Monthly Plant Fuel Consumption for Ouachita
Ouachita Details
| Summary Information | |
|---|---|
| Plant Name | Ouachita (55467) |
| Plant Address | 350 Harvey Gregg Rd., Sterlington, LA 71280 |
| Utility | Entergy Louisiana LLC (11241) |
| Latitude, Longitude | 32.7061, -92.0683 |
| Generation Dates on File | May 2002 to Dec 2025 |
| Initial Operation Date | August 2002 |
| Annual Generation | 3.9 TWh |
| Fuel Types | Natural Gas |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | 00-133-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | SERC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Ouachita River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Entergy Louisiana LLC (11241) LA |
| Grid Voltage | 500.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | American Midstream Midla LLC |
| Natural Gas Storage | No |
Generator CTG1 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | PB01 |
| Ownership | Wholly Owned by Other Entity |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 179.3 MW |
| Nameplate Power Factor | 0.85 |
| Minimum Load | 94 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator CTG2 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | PB02 |
| Ownership | Wholly Owned by Other Entity |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 179.3 MW |
| Nameplate Power Factor | 0.85 |
| Minimum Load | 94 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator CTG3 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | PB03 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 179.3 MW |
| Nameplate Power Factor | 0.85 |
| Minimum Load | 94 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator STG1 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | PB01 |
| Ownership | Wholly Owned by Other Entity |
| Duct Burners | Yes |
| Nameplate Capacity | 122 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 234.6 MW |
| Winter Capacity | 273.2 MW |
| Minimum Load | 71 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator STG2 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | PB02 |
| Ownership | Wholly Owned by Other Entity |
| Duct Burners | Yes |
| Nameplate Capacity | 122 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 242.4 MW |
| Winter Capacity | 280.5 MW |
| Minimum Load | 71 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator STG3 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | PB03 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| Nameplate Capacity | 122 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 245 MW |
| Winter Capacity | 283.2 MW |
| Minimum Load | 71 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Ouachita Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Entergy Arkansas LLC | 425 West Capitol Avenue, Little Rock, AR 72201 | Generator CTG1 | 100.00% |
| Entergy Arkansas LLC | 425 West Capitol Avenue, Little Rock, AR 72201 | Generator CTG2 | 100.00% |
| Entergy Arkansas LLC | 425 West Capitol Avenue, Little Rock, AR 72201 | Generator STG1 | 100.00% |
| Entergy Arkansas LLC | 425 West Capitol Avenue, Little Rock, AR 72201 | Generator STG2 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #140 | Fort St Vrain | Platteville, CO | 4.1 TWh |
| #141 | Ontelaunee Energy Center | Reading, PA | 4.1 TWh |
| #142 | Thad Hill Energy Center | Clifton, TX | 4.1 TWh |
| #143 | Fremont Energy Center | Fremont, OH | 4.0 TWh |
| #144 | Cane Island | Intercession City, FL | 4.0 TWh |
| #145 | Tracy | Sparks, NV | 4.0 TWh |
| #146 | Newman | El Paso, TX | 4.0 TWh |
| #147 | Ratcliffe | De Kalb, MS | 4.0 TWh |
| #148 | Buck | Salisbury, NC | 4.0 TWh |
| #149 | Mesquite Generating Station Block 2 | Arlington, AZ | 4.0 TWh |
| #151 | Liberty Electric Power Plant | Eddystone, PA | 3.9 TWh |
| #152 | Dan River | Eden, NC | 3.9 TWh |
| #153 | Dell Power Station | Dell, AR | 3.9 TWh |
| #154 | Green Power 2 | Texas City, TX | 3.9 TWh |
| #155 | Woodbridge Energy Center | Keasbey, NJ | 3.8 TWh |
| #156 | Astoria Energy | New York, NY | 3.9 TWh |
| #157 | Long Ridge Energy Generation | Hannibal, OH | 3.8 TWh |
| #158 | Sugar Creek Power | West Terre Haute, IN | 3.8 TWh |
| #159 | Perryville Power Station | Sterlington, LA | 3.8 TWh |
| #160 | Griffith Energy LLC | Golden Valley, AZ | 3.8 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ouachita.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ashley-Chicot Solar | Hamburg, AR | 2.2 GWh | 38.6 mi |
| Bayou Galion Solar Project | Mer Rouge, LA | 230.3 GWh | 17.7 mi |
| Chicot Solar | Lake Village, AR | 214.9 GWh | 67.7 mi |
| Crossett SD | Crossett, AR | 2.2 GWh | 30.3 mi |
| Crossett Solar | Crossett, AR | 208.7 GWh | 27.8 mi |
| El Dorado AR | El Dorado, AR | 1.6 GWh | 47.5 mi |
| Ergon Refining Vicksburg | Vicksburg, MS | 31.8 GWh | 71 mi |
| General Dynamics | Hampton, AR | 3.6 GWh | 67.7 mi |
| Georgia-Pacific Crossett LLC | Crossett, AR | 4.4 GWh | 30.6 mi |
| Gerald Andrus | Greenville, MS | 434.9 GWh | 70.8 mi |
| International Paper Vicksburg Mill | Vicksburg, MS | 227.0 GWh | 76.3 mi |
| Louisiana Tech University Power Plant | Ruston, LA | 42.3 GWh | 36.1 mi |
| McClellan (AR) | Camden, AR | 43.3 GWh | 72.6 mi |
| Oak Ridge Solar | Oak Ridge, LA | 409.6 GWh | 18.6 mi |
| Perryville Power Station | Sterlington, LA | 3.8 TWh | 3.1 mi |
| Plant 31 Paper Mill | West Monroe, LA | 523.0 GWh | 15.9 mi |
| Prairie Mist Solar | Montrose, AR | 232.0 GWh | 44.5 mi |
| SR Camden | Camden, AR | 26.1 GWh | 73.7 mi |
| Union Power Station | El Dorado, AR | 10.1 TWh | 50.7 mi |
| Westrock Hodge (LA) | Hodge, LA | 466.5 GWh | 48.6 mi |