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- Combustion
- Wind & solar
- Storage
- In development
- Under construction
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Wind & solar
- Storage
- In development
- Under construction
- Operating
Sweeny Cogen Facility: location and 8 exact-grade projects within 15 mi. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Sweeny Cogen Facility
Power plant · Gas, combustion turbine
Key facts
Power plant · Gas, combustion turbineran 66% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1997
- Net generation, 2025
- 3,304,763 MWh
- Grid
- 138 kV to Texas-New Mexico Power Co (ERCO)
- Location
- Brazoria County, Texas
- Operated by
- Sweeny Cogeneration LLC
Output
- Gas
Details
Who’s behind it
- Owner
- Phillips 66 Company
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- Technology
- Gas, combustion turbine source: “Natural Gas Fired Combustion Turbine”
- Age
- 29 years since 1997
- Unused energy
- 1,706 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
- Heat rate
- 14,366 Btu/kWh 2025
All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| EPA greenhouse gas reporting (GHGRP) |
|
| Fuel burned (MMBtu), 2025 | 47,477,965 |
| Capacity factor, 2025 | 0.659 |
| Heat rate (Btu/kWh), 2025 | 14,366.5 |
| Net generation (MWh), 2025 | 3,304,763 |
| Balancing authority code | ERCO |
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Sweeny Cogeneration LLC | Operator | EIA-860M | ||
| Phillips 66 Company | Owner | 100.0% | Dec 31, 2023 | EPA GHGRP |
Timeline
- In service · EIA-860M
Sources
5 sourcesSources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M
- GEMGlobal Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Around this plant
Nearby
within 15 mi| Project | Kind | Away | MW |
|---|---|---|---|
| Bell Creek BESS LLC Contracted | Storage | 6.5 mi | 200.9 |
| Second Division Solar Studied | Storage | 6.8 mi | 30 |
| Castor Under construction | Storage | 7.8 mi | 200 |
| Brazos River BESS LLC Contracted | Storage | 9.2 mi | 180.4 |
| Elio Energy LLC Contracted | Storage | 12.6 mi | 205.3 |
| Pledger Under construction | Storage | 12.8 mi | 9.5 |
| City Breeze Energy Storage Under construction | Storage | 14.2 mi | 143.1 |
| Wittig Solar Park Permitted | Solar | 14.2 mi | 106.9 |