Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/55015
EIA plant 55015
Old Ocean · Brazoria · TX
Sweeny Cogen Facility
Operated by Sweeny Cogeneration LLC
Published location
Where is Sweeny Cogen Facility?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
29.072800, -95.745000
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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 TX 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.
1149,385
2181,534
3235,169
4229,027
5250,727
6209,165
7283,453
8293,060
9283,075
10270,395.01
11263,018
12298,433
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 | 149,385 |
| 2 | 181,534 |
| 3 | 235,169 |
| 4 | 229,027 |
| 5 | 250,727 |
| 6 | 209,165 |
| 7 | 283,453 |
| 8 | 293,060 |
| 9 | 283,075 |
| 10 | 270,395.01 |
| 11 | 263,018 |
| 12 | 298,433 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 149,385 MWh |
| 2 | 181,534 MWh |
| 3 | 235,169 MWh |
| 4 | 229,027 MWh |
| 5 | 250,727 MWh |
| 6 | 209,165 MWh |
| 7 | 283,453 MWh |
| 8 | 293,060 MWh |
| 9 | 283,075 MWh |
| 10 | 270,395 MWh |
| 11 | 263,018 MWh |
| 12 | 298,433 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN1 | Natural Gas Fired Combustion Turbine | NG | 143 | OP |
| GEN2 | Natural Gas Fired Combustion Turbine | NG | 143 | OP |
| GEN3 | Natural Gas Fired Combustion Turbine | NG | 143 | OP |
| GEN4 | Natural Gas Fired Combustion Turbine | NG | 143 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55015
Sector
IPP CHP
Water source
San Bernard 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 Sweeny Cogen Facility 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 Sweeny Cogen Facility
Variation in the published months
Across 12 numeric monthly generation entries, 12 has the highest recorded value (298,433 MWh) and 1 the lowest (149,385 MWh). Their difference is 149,048 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 |
|---|---|---|---|---|---|
| GEN1 | Natural Gas Fired Combustion Turbine | 143.0 | 109.0 | 126.0 | 90.0 |
| GEN2 | Natural Gas Fired Combustion Turbine | 143.0 | 109.0 | 126.0 | 90.0 |
| GEN3 | Natural Gas Fired Combustion Turbine | 143.0 | 109.0 | 126.0 | 90.0 |
| GEN4 | Natural Gas Fired Combustion Turbine | 143.0 | 109.0 | 126.0 | 90.0 |
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.