Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/55051
EIA plant 55051
Plaquemine · Iberville · LA
Westlake Plaquemine
Operated by Westlake Chemicals & Vinyls LLC
Published location
Where is Westlake Plaquemine?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
30.258600, -91.185000
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the LA plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
1130,684
2137,588
3132,499
4140,758
5148,346
6132,114
7146,662
8139,730
944,084
10111,429
11140,146
12144,875
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 130,684 |
| 2 | 137,588 |
| 3 | 132,499 |
| 4 | 140,758 |
| 5 | 148,346 |
| 6 | 132,114 |
| 7 | 146,662 |
| 8 | 139,730 |
| 9 | 44,084 |
| 10 | 111,429 |
| 11 | 140,146 |
| 12 | 144,875 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 130,684 MWh |
| 2 | 137,588 MWh |
| 3 | 132,499 MWh |
| 4 | 140,758 MWh |
| 5 | 148,346 MWh |
| 6 | 132,114 MWh |
| 7 | 146,662 MWh |
| 8 | 139,730 MWh |
| 9 | 44,084 MWh |
| 10 | 111,429 MWh |
| 11 | 140,146 MWh |
| 12 | 144,875 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| X773 | Natural Gas Fired Combustion Turbine | NG | 102 | OP |
| X774 | Natural Gas Fired Combustion Turbine | NG | 102 | OP |
| X775 | Natural Gas Fired Combustion Turbine | NG | 102 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55051
Sector
Industrial CHP
Water source
Unavailable
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Westlake Plaquemine power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Westlake Plaquemine
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (148,346 MWh) and 9 the lowest (44,084 MWh). Their difference is 104,262 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| X773 | Natural Gas Fired Combustion Turbine | 102.0 | 75.0 | 90.0 | 58.0 |
| X774 | Natural Gas Fired Combustion Turbine | 102.0 | 75.0 | 90.0 | 58.0 |
| X775 | Natural Gas Fired Combustion Turbine | 102.0 | 75.0 | 90.0 | 58.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.