Thomas C Ferguson
Natural gas power plant in Llano County, Texas. 574.6 MW of nameplate capacity across 3 generators, operated by Lower Colorado River Authority.
Also known as Thomas C. Ferguson Power Plant · EIA plant 4937
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Key facts
- Capacity
- 574.6 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- August 2014First generator online
- Operator
- Lower Colorado River AuthorityEIA operator ID 11269
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Llano County, TX30.5580, −98.3721
- EIA plant ID
- 4937EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Thomas C Ferguson produces
Free · EIA-923Net generation, 2025
3.63 TWh
3,630,050 MWh, final
Capacity factor, 2025
72.1%
2024: 71.6%
January to July 2026
1.74 TWh
Provisional. 6 of 7 months reported
Range, 2016 to 2025
3.1–3.8
TWh a year. Low 2018, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,448,162 | Not reported | 12 of 12 |
| 2001 | 929,060 | Not reported | 12 of 12 |
| 2002 | 701,794 | Not reported | 12 of 12 |
| 2003 | 921,265 | Not reported | 12 of 12 |
| 2004 | 591,428 | Not reported | 12 of 12 |
| 2005 | 708,642 | Not reported | 12 of 12 |
| 2006 | 860,765 | Not reported | 12 of 12 |
| 2007 | 783,611 | Not reported | 12 of 12 |
| 2008 | 741,660 | Not reported | 12 of 12 |
| 2009 | 923,278 | Not reported | 12 of 12 |
| 2010 | 681,707 | 17.4% | 12 of 12 |
| 2011 | 357,530 | 9.2% | 12 of 12 |
| 2012 | 257,246 | 6.6% | 12 of 12 |
| 2013 | 138,906 | Not reported | 12 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 3,401,200 | Not reported | 11 of 12 |
| 2016 | 3,743,951 | 75.4% | 12 of 12 |
| 2017 | 3,604,923 | Not reported | 12 of 12 |
| 2018 | 3,086,140 | 61.3% | 12 of 12 |
| 2019 | 3,217,710 | 63.9% | 12 of 12 |
| 2020 | 3,584,197 | 71.0% | 12 of 12 |
| 2021 | 3,345,326 | 66.5% | 12 of 12 |
| 2022 | 3,143,980 | 62.5% | 12 of 12 |
| 2023 | 3,774,336 | 75.0% | 12 of 12 |
| 2024 | 3,612,457 | 71.6% | 12 of 12 |
| 2025 | 3,630,050 | 72.1% | 12 of 12 |
| 2026 (provisional, partial year) | 1,741,041 | 69.8% | 6 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 CAMPDCO₂, 2025
1.43M
US short tons. 2024: 1.43M
SO₂, 2025
7
US short tons
NOx, 2025
71
US short tons
CO₂ per MWh, calculated
0.39 t
About 788 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, CT-1, CT-2), matched to EIA plant 4937 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, USGSWithdrawal, 2024
97,320
million gallons
Consumption, 2024
0
million gallons
Source
Lake Fayette
Surface, Fresh. Once-through
Watershed stress
Moderate · 0.560
USGS SUI, HUC12 Slickrock Creek-Lake Lyndon B Johnson
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CT-1 | Natural Gas Fired Combined Cycle | 185.3 | August 2014 |
| CT-2 | Natural Gas Fired Combined Cycle | 185.3 | August 2014 |
| STG | Natural Gas Fired Combined Cycle | 204.0 | August 2014 |
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 Thomas C Ferguson
More plants operated by Lower Colorado River Authority
Questions about Thomas C Ferguson
How much power does Thomas C Ferguson produce?
Thomas C Ferguson reported 3,630,050 MWh (3.63 TWh) of net generation in 2025, a 72.1% capacity factor on 574.6 MW of nameplate capacity. From January to July 2026 it reported 1.74 TWh, which is provisional.
Where is Thomas C Ferguson?
Thomas C Ferguson is in Llano County, Texas, at 30.5580, −98.3721. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Thomas C Ferguson?
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 Thomas C Ferguson start operating?
Its first generator began operating in August 2014, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page