Power Station 4
Natural gas power plant in Galveston County, Texas. 156.4 MW of nameplate capacity across 2 generators, operated by South Houston Green Power LLC.
Also known as EIA plant 52132
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 156.4 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- September 1986First generator online
- Operator
- South Houston Green Power LLCEIA operator ID 17566
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Galveston County, TX29.3782, −94.9219
- EIA plant ID
- 52132EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Power Station 4 produces
Free · EIA-923Net generation, 2025
517 GWh
516,802 MWh, final
Capacity factor, 2025
30.9%
2024: 23.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
12.1–672.2
GWh a year. Low 2016, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 89,907 | Not reported | 12 of 12 |
| 2001 | 1,064,021 | Not reported | 12 of 12 |
| 2002 | 1,340,705 | Not reported | 12 of 12 |
| 2003 | 1,105,951 | Not reported | 11 of 12 |
| 2004 | 755,461 | Not reported | 12 of 12 |
| 2005 | 463,771 | Not reported | 12 of 12 |
| 2006 | 502,553 | Not reported | 12 of 12 |
| 2007 | 214,013 | Not reported | 12 of 12 |
| 2008 | 319,803 | Not reported | 12 of 12 |
| 2009 | 237,833 | Not reported | 12 of 12 |
| 2010 | 934,774 | 55.8% | 12 of 12 |
| 2011 | 660,751 | 39.5% | 12 of 12 |
| 2012 | 512,806 | 30.5% | 12 of 12 |
| 2013 | 366,115 | Not reported | 12 of 12 |
| 2014 | 205,839 | 12.3% | 12 of 12 |
| 2015 | 294,447 | 17.6% | 12 of 12 |
| 2016 | 12,118 | 0.7% | 12 of 12 |
| 2017 | 251,088 | 15.0% | 12 of 12 |
| 2018 | 672,174 | 40.2% | 12 of 12 |
| 2019 | 626,717 | 37.4% | 12 of 12 |
| 2020 | 350,047 | 20.9% | 12 of 12 |
| 2021 | 298,472 | 17.8% | 12 of 12 |
| 2022 | 580,525 | 34.7% | 12 of 12 |
| 2023 | 629,072 | 37.6% | 12 of 12 |
| 2024 | 401,440 | 23.9% | 12 of 12 |
| 2025 | 516,802 | 30.9% | 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 Combined Cycle | 78.2 | September 1986 |
| GEN2 | Natural Gas Fired Combined Cycle | 78.2 | September 1986 |
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 South Houston Green Power 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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Power plants near Power Station 4
More plants operated by South Houston Green Power LLC
Questions about Power Station 4
How much power does Power Station 4 produce?
Power Station 4 reported 516,802 MWh (517 GWh) of net generation in 2025, a 30.9% capacity factor on 156.4 MW of nameplate capacity.
Where is Power Station 4?
Power Station 4 is in Galveston County, Texas, at 29.3782, −94.9220. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Power Station 4?
EIA-860M for August 2026 lists South Houston Green Power LLC as the operator (EIA operator ID 17566). The operator is not always the owner.
When did Power Station 4 start operating?
Its first generator began operating in September 1986, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page