Westlake Plaquemine
26100 Hwy 405, Plaquemine, LA 70765Plant Summary Information
Westlake Plaquemine is ranked #21 out of 80 power plants in Louisiana in terms of total annual net electricity generation.
Westlake Plaquemine is comprised of 3 generators and generated 384.7 GWh during the 3-month period between November 2024 to February 2025.
| Plant Name | Westlake Plaquemine |
|---|---|
| Utility Name | Westlake Chemicals & Vinyls LLC |
| Location | Iberville Parish, LA |
| Initial Operation Date | May 1997 |
| Last Update | Feb 2025 |
| Annual Generation | 1.5 TWh |
| Annual Consumption | 20.3 M MMBtu |
| Ranked #597 out of 11,993 Power Plants Nationwide | |
| Ranked #380 out of 2,253 Natural Gas Power Plants Nationwide | |
| Ranked #21 out of 80 Louisiana Power Plants | |
| Ranked #17 out of 54 Louisiana Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 97.8% Other Gas : 2.2% |
| Previous Operator |
Axiall Corp (2013 to 2021) Westlake Chemicals & Vinyls LLC (2022 to 2023) |
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Monthly Net Generation 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 Feb 2025 |
| Initial Operation Date | May 1997 |
| Annual Generation | 1.5 TWh |
| Fuel Types | Natural Gas : 97.8% Other Gas : 2.2% |
| 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 | June 2025 |
| 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
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|---|---|---|---|
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| #382 | Emporia Energy Center | Emporia, KS | 1.4 TWh |
| #383 | Ennis Power Company LLC | Ennis, TX | 1.4 TWh |
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| #386 | S O Purdom | St Marks, FL | 1.4 TWh |
| #387 | Scattergood | Playa del Rey, CA | 1.4 TWh |
| #388 | Riverside (OK) | Jenks, OK | 1.4 TWh |
| #389 | Newington | Newington, NH | 1.4 TWh |
| #390 | Manchester Street | Providence, RI | 1.4 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 | 268.1 GWh | 30.4 mi |
| Big Cajun 2 | New Roads, LA | 1.9 TWh | 34.1 mi |
| Carville Energy LLC | St Gabriel, LA | 2.9 TWh | 7.4 mi |
| ExxonMobil Baton Rouge Turbine Generator | Baton Rouge, LA | 639.9 GWh | 16 mi |
| Formosa Plastics | Baton Rouge, LA | 369.6 GWh | 16.6 mi |
| Geismar | Geismar, LA | 584.4 GWh | 11.8 mi |
| Geismar Cogen | Geismar, LA | 503.8 GWh | 12 mi |
| Gramercy Holdings LLC | Gramercy, LA | 231.1 GWh | 33.9 mi |
| LA3 West Baton Rouge Solar Facility | West Baton Rouge, LA | 109.7 GWh | 16.7 mi |
| LaO Energy Systems | Plaquemine, LA | 1.8 TWh | 5 mi |
| Louisiana 1 | Baton Rouge, LA | 2.6 TWh | 16.1 mi |
| Louisiana Sugar Refining | Gramercy, LA | 23.2 GWh | 33.2 mi |
| LSU Cogen | Baton Rouge, LA | 55.7 GWh | 10.5 mi |
| Oxbow Solar 1 | New Roads, LA | 368.2 GWh | 30.8 mi |
| Plaquemine Cogeneration Plant | Plaquemine, LA | 5.0 TWh | 5.3 mi |
| Port Allen (LA) | Port Allen, LA | 48.6 GWh | 15.2 mi |
| River Bend | St. Francisville, LA | 8.0 TWh | 35.5 mi |
| Shell Chemical | Geismar, LA | 560.4 GWh | 13 mi |
| St Francisville Mill | St. Francisville, LA | 116.0 GWh | 32.3 mi |
| St. James Solar (LA) | Vacherie, LA | 39.0 GWh | 33.4 mi |