Timmerman Power Plant
Natural gas power plant in Caldwell County, Texas. 368 MW of nameplate capacity across 20 generators, operated by Lower Colorado River Authority.
Also known as EIA plant 66335
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 368 MWNameplate
- Generators
- 20 operatingEIA-860M, August 2026
- Operating since
- August 2025First generator online
- Operator
- Lower Colorado River AuthorityEIA operator ID 11269
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 4 ERCOT nodesResource nodes with prices
- Location
- Caldwell County, TX29.8750, −97.8070
- EIA plant ID
- 66335EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Timmerman produces
Free · EIA-923Net generation, 2025
208 GWh
207,892 MWh, final. 5 of 12 months reported
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
| 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 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | Not reported | Not reported | 0 of 12 |
| 2025 | 207,892 | Not reported | 5 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 |
|---|---|---|---|
| G1 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G2 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G3 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G4 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G5 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G6 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G7 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G8 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G9 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G10 | Natural Gas Internal Combustion Engine | 18.0 | August 2025 |
| G11 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G12 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G13 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G14 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G15 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G16 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G17 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G18 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G19 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
| G20 | Natural Gas Internal Combustion Engine | 18.8 | April 2026 |
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.
300 analyst questions a month, plus MCP
Query Timmerman Power Plant and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Timmerman
More plants operated by Lower Colorado River Authority
Questions about Timmerman
How much power does Timmerman Power Plant produce?
Timmerman Power Plant reported 207,892 MWh (208 GWh) of net generation in 2025. 5 of 12 months were reported for 2025.
Where is Timmerman Power Plant?
Timmerman Power Plant is in Caldwell County, Texas, at 29.8750, −97.8070. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Timmerman Power Plant?
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 Timmerman Power Plant start operating?
Its first generator began operating in August 2025, according to EIA-860M.
Does InfraMap have power prices for Timmerman Power Plant?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 4 price nodes linked to Timmerman Power Plant, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page