Pearsall
Natural gas power plant in Frio County, Texas. 201.6 MW of nameplate capacity across 24 generators, operated by South Texas Electric Coop, Inc.
Also known as Pearsall Power Plant · EIA plant 3630
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 201.6 MWNameplate
- Generators
- 24 operatingEIA-860M, August 2026
- Operating since
- March 2010First generator online
- Operator
- South Texas Electric Coop, IncEIA operator ID 17583
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Frio County, TX28.9275, −99.0919
- EIA plant ID
- 3630EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Pearsall produces
Free · EIA-923Net generation, 2025
454 GWh
453,886 MWh, final
Capacity factor, 2025
25.7%
2024: 18.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
175.1–497.6
GWh a year. Low 2017, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 52,714 | Not reported | 12 of 12 |
| 2001 | 48,700 | Not reported | 12 of 12 |
| 2002 | 46,695 | Not reported | 12 of 12 |
| 2003 | 39,332 | Not reported | 11 of 12 |
| 2004 | 8,138 | Not reported | 12 of 12 |
| 2005 | 30,785 | Not reported | 12 of 12 |
| 2006 | 39,783 | Not reported | 12 of 12 |
| 2007 | 21,928 | Not reported | 12 of 12 |
| 2008 | 32,026 | Not reported | 12 of 12 |
| 2009 | 19,068 | Not reported | 12 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 385,701 | 16.5% | 12 of 12 |
| 2012 | 172,273 | 7.3% | 12 of 12 |
| 2013 | 380,059 | 16.2% | 12 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 359,914 | 15.4% | 12 of 12 |
| 2016 | 243,115 | 10.3% | 12 of 12 |
| 2017 | 175,075 | Not reported | 12 of 12 |
| 2018 | 273,303 | 15.5% | 12 of 12 |
| 2019 | 31,320 | 20.9% | 1 of 12 |
| 2020 | 210,205 | 11.9% | 12 of 12 |
| 2021 | 377,418 | 21.4% | 12 of 12 |
| 2022 | 497,648 | 28.2% | 12 of 12 |
| 2023 | 395,099 | 22.4% | 12 of 12 |
| 2024 | 329,897 | 18.6% | 12 of 12 |
| 2025 | 453,886 | 25.7% | 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 account · ERCOTEmissions
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 |
|---|---|---|---|
| 1A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 2A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 3A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 4A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 5A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 6A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 7A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 8A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 9A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 10A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 11A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 12A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 13A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 14A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 15A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 16A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 17A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
| 18A | Natural Gas Internal Combustion Engine | 8.4 | March 2010 |
| 19A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
| 20A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
| 21A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
| 22A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
| 23A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
| 24A | Natural Gas Internal Combustion Engine | 8.4 | April 2010 |
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 Texas Electric Coop, Inc 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 Pearsall
More plants operated by South Texas Electric Coop, Inc
Questions about Pearsall
How much power does Pearsall produce?
Pearsall reported 453,886 MWh (454 GWh) of net generation in 2025, a 25.7% capacity factor on 201.6 MW of nameplate capacity.
Where is Pearsall?
Pearsall is in Frio County, Texas, at 28.9275, −99.0919. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Pearsall?
EIA-860M for August 2026 lists South Texas Electric Coop, Inc as the operator (EIA operator ID 17583). The operator is not always the owner.
When did Pearsall start operating?
Its first generator began operating in March 2010, according to EIA-860M.
Does InfraMap have power prices for Pearsall?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Pearsall, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page