Winchester Power Park
Natural gas power plant in Fayette County, Texas. 242 MW of nameplate capacity across 4 generators, operated by Lower Colorado River Authority.
Also known as EIA plant 56674
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 242 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- May 2010First generator online
- Operator
- Lower Colorado River AuthorityEIA operator ID 11269
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 2 ERCOT nodesResource nodes with prices
- Location
- Fayette County, TX30.0255, −96.9945
- EIA plant ID
- 56674EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Winchester Power Park produces
Free · EIA-923Net generation, 2025
58.1 GWh
58,082 MWh, final
Capacity factor, 2025
2.7%
2024: 2.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
28.2–86.2
GWh a year. Low 2015, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | 182,526 | Not reported | 9 of 12 |
| 2011 | 75,940 | 3.6% | 12 of 12 |
| 2012 | 46,346 | 2.2% | 12 of 12 |
| 2013 | 29,354 | 1.4% | 12 of 12 |
| 2014 | 90,967 | 4.3% | 12 of 12 |
| 2015 | 28,243 | 1.3% | 12 of 12 |
| 2016 | 41,797 | 2.0% | 12 of 12 |
| 2017 | 64,081 | 3.0% | 12 of 12 |
| 2018 | 38,309 | 1.8% | 12 of 12 |
| 2019 | 46,123 | 2.2% | 12 of 12 |
| 2020 | 30,157 | 1.4% | 12 of 12 |
| 2021 | 70,975 | 3.3% | 12 of 12 |
| 2022 | 84,378 | 4.0% | 12 of 12 |
| 2023 | 86,238 | 4.1% | 12 of 12 |
| 2024 | 51,545 | 2.4% | 12 of 12 |
| 2025 | 58,082 | 2.7% | 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 CAMPDCO₂, 2025
32,718
US short tons. 2024: 29,305
SO₂, 2025
0
US short tons
NOx, 2025
3
US short tons
CO₂ per MWh, calculated
0.56 t
About 1,127 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (1, 2, 3, 4), matched to EIA plant 56674 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
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 |
|---|---|---|---|
| CGT1 | Natural Gas Fired Combustion Turbine | 60.5 | May 2010 |
| CGT2 | Natural Gas Fired Combustion Turbine | 60.5 | May 2010 |
| CGT3 | Natural Gas Fired Combustion Turbine | 60.5 | May 2010 |
| CGT4 | Natural Gas Fired Combustion Turbine | 60.5 | May 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 Lower Colorado River Authority 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 Winchester Power Park
More plants operated by Lower Colorado River Authority
Questions about Winchester Power Park
How much power does Winchester Power Park produce?
Winchester Power Park reported 58,082 MWh (58.1 GWh) of net generation in 2025, a 2.7% capacity factor on 242 MW of nameplate capacity.
Where is Winchester Power Park?
Winchester Power Park is in Fayette County, Texas, at 30.0255, −96.9945. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Winchester Power Park?
EIA-860M for August 2026 lists Lower Colorado River Authority as the operator (EIA operator ID 11269). The operator is not always the owner.
When did Winchester Power Park start operating?
Its first generator began operating in May 2010, according to EIA-860M.
Does InfraMap have power prices for Winchester Power Park?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 2 price nodes linked to Winchester Power Park, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page