Sim Gideon
Natural gas power plant in Bastrop County, Texas. 623 MW of nameplate capacity across 3 generators, operated by Lower Colorado River Authority.
Also known as Sim Gideon Power Plant · EIA plant 3601
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Key facts
- Capacity
- 623 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- May 1965First generator online
- Operator
- Lower Colorado River AuthorityEIA operator ID 11269
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 3 ERCOT nodesResource nodes with prices
- Location
- Bastrop County, TX30.1456, −97.2708
- EIA plant ID
- 3601EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sim Gideon produces
Free · EIA-923Net generation, 2025
827 GWh
826,681 MWh, final
Capacity factor, 2025
15.1%
2024: 19.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2016 to 2025
0.3–1.2
TWh a year. Low 2017, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,214,828 | Not reported | 12 of 12 |
| 2001 | 1,475,704 | Not reported | 12 of 12 |
| 2002 | 1,309,562 | Not reported | 12 of 12 |
| 2003 | 1,207,467 | Not reported | 12 of 12 |
| 2004 | 968,032 | Not reported | 12 of 12 |
| 2005 | 803,442 | Not reported | 12 of 12 |
| 2006 | 763,299 | Not reported | 12 of 12 |
| 2007 | 1,001,793 | Not reported | 12 of 12 |
| 2008 | 1,055,642 | Not reported | 12 of 12 |
| 2009 | 958,255 | Not reported | 12 of 12 |
| 2010 | 879,045 | 15.7% | 12 of 12 |
| 2011 | 553,551 | 9.9% | 12 of 12 |
| 2012 | 306,069 | 5.5% | 12 of 12 |
| 2013 | 268,131 | 4.8% | 12 of 12 |
| 2014 | 43,731 | 9.5% | 1 of 12 |
| 2015 | −1,389 | Not reported | 1 of 12 |
| 2016 | 402,187 | 7.3% | 12 of 12 |
| 2017 | 326,136 | 6.0% | 12 of 12 |
| 2018 | 550,196 | 10.1% | 12 of 12 |
| 2019 | 742,860 | 13.6% | 12 of 12 |
| 2020 | 647,109 | 11.8% | 12 of 12 |
| 2021 | 662,018 | 12.1% | 12 of 12 |
| 2022 | 851,483 | 15.6% | 12 of 12 |
| 2023 | 1,195,711 | 21.9% | 12 of 12 |
| 2024 | 1,043,148 | 19.1% | 12 of 12 |
| 2025 | 826,681 | 15.1% | 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
529,720
US short tons. 2024: 676,420
SO₂, 2025
3
US short tons
NOx, 2025
595
US short tons
CO₂ per MWh, calculated
0.64 t
About 1,282 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (1, 2, 3), matched to EIA plant 3601 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
148,824
million gallons
Consumption, 2024
0
million gallons
Source
Lake Bastrop
Surface, Fresh. Once-through with cooling pond
Watershed stress
High · 0.732
USGS SUI, HUC12 Spicer Creek-Piney Creek
36 of 36 cooling months report withdrawal. SUI of the HUC12 containing the plant. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Steam Turbine | 136.0 | May 1965 |
| 2 | Natural Gas Steam Turbine | 136.0 | March 1968 |
| 3 | Natural Gas Steam Turbine | 351.0 | May 1972 |
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 Sim Gideon
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Questions about Sim Gideon
How much power does Sim Gideon produce?
Sim Gideon reported 826,681 MWh (827 GWh) of net generation in 2025, a 15.1% capacity factor on 623 MW of nameplate capacity.
Where is Sim Gideon?
Sim Gideon is in Bastrop County, Texas, at 30.1456, −97.2708. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Sim Gideon?
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 Sim Gideon start operating?
Its first generator began operating in May 1965, according to EIA-860M.
Does InfraMap have power prices for Sim Gideon?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 3 price nodes linked to Sim Gideon, 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
- 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