Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/55419
EIA plant 55419
Plaquemine · Iberville · LA
Plaquemine Cogeneration Plant
Operated by Dow Chemical Co
Published location
Where is Plaquemine Cogeneration Plant?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
30.321700, -91.234700
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.
1462,508
2353,511
3383,411
4462,508
5440,973
6310,279
7352,483
8448,372
9353,595
10373,672
11384,832
12505,547
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 | 462,508 |
| 2 | 353,511 |
| 3 | 383,411 |
| 4 | 462,508 |
| 5 | 440,973 |
| 6 | 310,279 |
| 7 | 352,483 |
| 8 | 448,372 |
| 9 | 353,595 |
| 10 | 373,672 |
| 11 | 384,832 |
| 12 | 505,547 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 462,508 MWh |
| 2 | 353,511 MWh |
| 3 | 383,411 MWh |
| 4 | 462,508 MWh |
| 5 | 440,973 MWh |
| 6 | 310,279 MWh |
| 7 | 352,483 MWh |
| 8 | 448,372 MWh |
| 9 | 353,595 MWh |
| 10 | 373,672 MWh |
| 11 | 384,832 MWh |
| 12 | 505,547 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| G500 | Natural Gas Fired Combined Cycle | NG | 198 | OP |
| G600 | Natural Gas Fired Combined Cycle | NG | 198 | OP |
| G700 | Natural Gas Fired Combined Cycle | NG | 198 | OP |
| G800 | Natural Gas Fired Combined Cycle | NG | 198 | OP |
| ST5 | Natural Gas Fired Combined Cycle | NG | 195 | OP |
| ST6 | Natural Gas Fired Combined Cycle | NG | 48.9 | OP |
| ST7 | Natural Gas Fired Combined Cycle | NG | 48.9 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55419
Sector
Industrial CHP
Water source
Mississippi River
Data edition
2024-final
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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 Plaquemine Cogeneration Plant 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 Plaquemine Cogeneration Plant
Variation in the published months
Across 12 numeric monthly generation entries, 12 has the highest recorded value (505,547 MWh) and 6 the lowest (310,279 MWh). Their difference is 195,268 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 7 numeric rows displayed in this table, MW ranges from 48.9 (ST6, ST7) to 198 (G500, G600, G700). The difference is 149.1 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| G500 | Natural Gas Fired Combined Cycle | 198.0 | 151.0 | 186.0 | 75.0 |
| G600 | Natural Gas Fired Combined Cycle | 198.0 | 151.0 | 186.0 | 75.0 |
| G700 | Natural Gas Fired Combined Cycle | 198.0 | 151.0 | 186.0 | 75.0 |
| G800 | Natural Gas Fired Combined Cycle | 198.0 | 151.0 | 186.0 | 45.0 |
| ST5 | Natural Gas Fired Combined Cycle | 195.0 | 189.0 | 189.0 | 8.0 |
| ST6 | Natural Gas Fired Combined Cycle | 48.9 | 48.9 | 48.9 | 10.0 |
| ST7 | Natural Gas Fired Combined Cycle | 48.9 | 48.9 | 48.9 | 10.0 |
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.