Power Island
Natural gas power plant in Brazoria County, Texas. 141 MW of nameplate capacity across 3 generators, operated by INEOS USA LLC.
Also known as Power Island power station · EIA plant 10154
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 141 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- November 1985First generator online
- Operator
- INEOS USA LLCEIA operator ID 54769
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Brazoria County, TX29.2293, −95.1952
- EIA plant ID
- 10154EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Power Island produces
Free · EIA-923Net generation, 2025
908 GWh
907,806 MWh, final
Capacity factor, 2025
73.5%
2024: 67.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
214.4–907.8
GWh a year. Low 2017, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 276,602 | Not reported | 12 of 12 |
| 2002 | 270,275 | Not reported | 12 of 12 |
| 2003 | 88,305 | Not reported | 4 of 12 |
| 2004 | 273,673 | Not reported | 12 of 12 |
| 2005 | 244,992 | Not reported | 12 of 12 |
| 2006 | 264,725 | Not reported | 12 of 12 |
| 2007 | 262,345 | Not reported | 12 of 12 |
| 2008 | 204,945 | Not reported | 12 of 12 |
| 2009 | 265,158 | Not reported | 12 of 12 |
| 2010 | 262,040 | 73.0% | 12 of 12 |
| 2011 | 262,550 | 73.1% | 12 of 12 |
| 2012 | 266,373 | 74.0% | 12 of 12 |
| 2013 | 256,970 | 71.5% | 12 of 12 |
| 2014 | 241,777 | 67.3% | 12 of 12 |
| 2015 | 244,010 | 67.9% | 12 of 12 |
| 2016 | 248,238 | 68.9% | 12 of 12 |
| 2017 | 214,398 | 59.7% | 12 of 12 |
| 2018 | 253,090 | 70.5% | 12 of 12 |
| 2019 | 247,393 | 68.9% | 12 of 12 |
| 2020 | 602,915 | Not reported | 12 of 12 |
| 2021 | 784,064 | 63.5% | 12 of 12 |
| 2022 | 781,752 | 63.3% | 12 of 12 |
| 2023 | 879,401 | 71.2% | 12 of 12 |
| 2024 | 833,439 | 67.3% | 12 of 12 |
| 2025 | 907,806 | 73.5% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Natural Gas Fired Combustion Turbine | 41.0 | November 1985 |
| GEN2 | Natural Gas Fired Combustion Turbine | 50.0 | January 2020 |
| GEN3 | Natural Gas Fired Combustion Turbine | 50.0 | February 2020 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists INEOS USA LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Power Island
How much power does Power Island produce?
Power Island reported 907,806 MWh (908 GWh) of net generation in 2025, a 73.5% capacity factor on 141 MW of nameplate capacity.
Where is Power Island?
Power Island is in Brazoria County, Texas, at 29.2293, −95.1952. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Power Island?
EIA-860M for August 2026 lists INEOS USA LLC as the operator (EIA operator ID 54769). The operator is not always the owner.
When did Power Island start operating?
Its first generator began operating in November 1985, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page