Westlake Plaquemine
26100 Hwy 405, Plaquemine, LA 70765Plant Summary Information
Westlake Plaquemine is ranked #23 out of 86 power plants in Louisiana in terms of total annual net electricity generation.
Westlake Plaquemine is comprised of 3 generators and generated 282.7 GWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Westlake Plaquemine |
|---|---|
| Utility Name | Westlake Chemicals & Vinyls LLC |
| Location | Iberville Parish, LA |
| Initial Operation Date | May 1997 |
| Last Update | May 2026 |
| Annual Generation | 1.4 TWh |
| Annual Consumption | 18.9 M MMBtu |
| Ranked #610 out of 13,081 Power Plants Nationwide | |
| Ranked #380 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #23 out of 86 Louisiana Power Plants | |
| Ranked #17 out of 54 Louisiana Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.0% Other Gas : 1.0% |
| Previous Operator |
Axiall Corp (2013 to 2021) Westlake Chemicals & Vinyls LLC (2022 to 2025) |
Map of Westlake Plaquemine
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Westlake Plaquemine.
Monthly Net Generation for Westlake Plaquemine
Monthly Plant Fuel Consumption for Westlake Plaquemine
Westlake Plaquemine Details
| Summary Information | |
|---|---|
| Plant Name | Westlake Plaquemine (55051) |
| Plant Address | 26100 Hwy 405, Plaquemine, LA 70765 |
| Utility | Westlake Chemicals & Vinyls LLC (65195) |
| Latitude, Longitude | 30.2586, -91.185 |
| Generation Dates on File | Jan 2001 to May 2026 |
| Initial Operation Date | May 1997 |
| Annual Generation | 1.4 TWh |
| Fuel Types | Natural Gas : 99.0% Other Gas : 1.0% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | Yes |
| FERC Cogeneration Docket Number | 96-53-000; '96-583-000 |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | SERC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | (325188) |
| Sector | Industrial CHP (7) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Entergy Louisiana LLC (11241) LA |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
ACADIAN GAS P L SYS BRIDGELINE HOLDINGS LP |
| Natural Gas Storage | No |
| Liquefied Natural Gas Storage | No |
Generator X773 Details Operating May 1997
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | EES.AXLPLQ |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | EES.AXLPLQ |
| Nameplate Capacity | 102 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 75 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 58 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 1997 |
| Combined Heat & Power | Yes |
|---|---|
| Sector Name | Industrial CHP (7) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas / Other Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Other Planned Modifications | Yes |
| Other Modifications | October 2026 |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | No |
| Multifuel Details | |
| Cofire Energy Source | NG / OG |
|---|---|
Generator X774 Details Operating May 1997
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | EES.AXLPLQ |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | EES.AXLPLQ |
| Nameplate Capacity | 102 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 75 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 58 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 1997 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Industrial CHP (7) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas / Other Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | No |
| Multifuel Details | |
| Cofire Energy Source | NG / OG |
|---|---|
Generator X775 Details Operating May 1997
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | EES.AXLPLQ |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | EES.AXLPLQ |
| Nameplate Capacity | 102 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 75 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 58 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 1997 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Industrial CHP (7) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas / Other Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | No |
| Multifuel Details | |
| Cofire Energy Source | NG / OG |
|---|---|
Westlake Plaquemine 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 Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #370 | Moselle | Moselle, MS | 1.5 TWh |
| #371 | Tiverton Power Plant | Tiverton, RI | 1.5 TWh |
| #372 | Motiva Enterprises Port Arthur Refinery | Port Arthur, TX | 1.6 TWh |
| #373 | Walnut Energy Center | Turlock, CA | 1.5 TWh |
| #374 | Johnsonville | New Johnsonville, TN | 1.5 TWh |
| #375 | PPG Powerhouse C | Lake Charles, LA | 1.4 TWh |
| #376 | Maine Independence Station | Veazie, ME | 1.4 TWh |
| #377 | Kendall Square Station | Cambridge, MA | 1.5 TWh |
| #378 | Scattergood | Playa del Rey, CA | 1.4 TWh |
| #379 | Gordonsville Energy LP | Gordonsville, VA | 1.4 TWh |
| #381 | Theodore Cogen Facility | Theodore, AL | 1.4 TWh |
| #382 | Delta Energy Park | Lansing, MI | 1.4 TWh |
| #383 | Tenaska Lindsay Hill Generating Station | Billingsley, AL | 1.4 TWh |
| #384 | Treasure Coast Energy Center | Ft. Pierce, FL | 1.4 TWh |
| #385 | Renaissance Power Plant | Carson City, MI | 1.3 TWh |
| #386 | Stryker Creek | Jacksonville, TX | 1.3 TWh |
| #387 | Haynes | Long Beach, CA | 1.3 TWh |
| #388 | Otay Mesa Generating Project | San Diego, CA | 1.3 TWh |
| #389 | River Road Gen Plant | Vancouver, WA | 1.3 TWh |
| #390 | West Lorain | Lorain, OH | 1.3 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Westlake Plaquemine.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Big Cajun 1 | Jarreau, LA | 157.5 GWh | 30.4 mi |
| Carville Energy LLC | St Gabriel, LA | 2.7 TWh | 7.4 mi |
| ExxonMobil Baton Rouge Turbine Generator | Baton Rouge, LA | 552.4 GWh | 16 mi |
| Formosa Plastics | Baton Rouge, LA | 416.2 GWh | 16.6 mi |
| Geismar | Geismar, LA | 625.6 GWh | 11.8 mi |
| Geismar Cogen | Geismar, LA | 528.4 GWh | 12 mi |
| LA3 West Baton Rouge Solar Facility | West Baton Rouge, LA | 109.9 GWh | 16.7 mi |
| LaO Energy Systems | Plaquemine, LA | 1.4 TWh | 5 mi |
| Louisiana 1 | Baton Rouge, LA | 2.7 TWh | 16.1 mi |
| Louisiana Sugar Refining | Gramercy, LA | 9.1 GWh | 33.2 mi |
| LSU Cogen | Baton Rouge, LA | 98.2 GWh | 10.5 mi |
| Magnolia Power | Plaquemine, LA | 1.9 TWh | 1.3 mi |
| Mondu Solar LLC | Livonia, LA | 21.6 GWh | 30.9 mi |
| Mosaic Phosphates Uncle Sam | Uncle Sam, LA | 101.9 GWh | 26.2 mi |
| Oxbow Solar 1 | New Roads, LA | 532.4 GWh | 30.8 mi |
| Plaquemine Cogeneration Plant | Plaquemine, LA | 5.7 TWh | 5.3 mi |
| Port Allen (LA) | Port Allen, LA | 49.8 GWh | 15.2 mi |
| Shell Chemical | Geismar, LA | 585.3 GWh | 13 mi |
| St Francisville Mill | St. Francisville, LA | 110.3 GWh | 32.3 mi |
| St. James Solar (LA) | Vacherie, LA | 49.6 GWh | 33.4 mi |