ExxonMobil Baytown Refinery
Natural gas power plant in Harris County, Texas. 209.3 MW of nameplate capacity across 7 generators, operated by Exxon Mobil Refining and Supply Co..
Also known as EIA plant 10436
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 209.3 MWNatural gas 201.8 · Other fuels 7.5
- Generators
- 7 operatingEIA-860M, August 2026
- Operating since
- January 1952First generator online
- Operator
- Exxon Mobil Refining and Supply Co.EIA operator ID 6091
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 2 ERCOT nodesResource nodes with prices
- Location
- Harris County, TX29.7535, −94.9973
- EIA plant ID
- 10436EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power ExxonMobil Baytown Refinery produces
Free · EIA-923Net generation, 2025
1.18 TWh
1,180,178 MWh, final
Capacity factor, 2025
64.4%
2024: 67.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
1.0–1.2
TWh a year. Low 2020, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,670,226 | Not reported | 12 of 12 |
| 2001 | 1,544,391 | Not reported | 12 of 12 |
| 2002 | 1,264,530 | Not reported | 12 of 12 |
| 2003 | 1,125,629 | Not reported | 10 of 12 |
| 2004 | 34,290 | Not reported | 12 of 12 |
| 2005 | 1,072,032 | Not reported | 12 of 12 |
| 2006 | 944,968 | Not reported | 12 of 12 |
| 2007 | 915,814 | Not reported | 12 of 12 |
| 2008 | 1,005,143 | Not reported | 12 of 12 |
| 2009 | 986,605 | Not reported | 12 of 12 |
| 2010 | 1,024,818 | 66.0% | 12 of 12 |
| 2011 | 982,791 | 63.3% | 12 of 12 |
| 2012 | 1,055,771 | 67.8% | 12 of 12 |
| 2013 | 1,010,704 | 65.1% | 12 of 12 |
| 2014 | 1,077,870 | 69.4% | 12 of 12 |
| 2015 | 1,052,778 | 67.8% | 12 of 12 |
| 2016 | 1,067,795 | 68.6% | 12 of 12 |
| 2017 | 1,034,004 | 66.6% | 12 of 12 |
| 2018 | 1,109,027 | 71.4% | 12 of 12 |
| 2019 | 1,015,917 | 65.4% | 12 of 12 |
| 2020 | 998,885 | 64.1% | 12 of 12 |
| 2021 | 1,203,234 | Not reported | 12 of 12 |
| 2022 | 1,202,159 | 65.6% | 12 of 12 |
| 2023 | 1,190,206 | 64.9% | 12 of 12 |
| 2024 | 1,240,328 | 67.5% | 12 of 12 |
| 2025 | 1,180,178 | 64.4% | 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 |
|---|---|---|---|
| GT38 | Natural Gas Fired Combustion Turbine | 45.7 | August 1989 |
| GT41 | Natural Gas Fired Combustion Turbine | 27.6 | January 1977 |
| GT42 | Natural Gas Fired Combustion Turbine | 27.6 | January 1977 |
| GT43 | Natural Gas Fired Combustion Turbine | 27.6 | January 1977 |
| GT44 | Natural Gas Fired Combustion Turbine | 27.6 | January 1977 |
| GT45 | Natural Gas Fired Combustion Turbine | 45.7 | June 1988 |
| ST34 | All Other | 7.5 | January 1952 |
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 Exxon Mobil Refining and Supply Co. 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 ExxonMobil Baytown Refinery
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Questions about ExxonMobil Baytown Refinery
How much power does ExxonMobil Baytown Refinery produce?
ExxonMobil Baytown Refinery reported 1,180,178 MWh (1.18 TWh) of net generation in 2025, a 64.4% capacity factor on 209.3 MW of nameplate capacity.
Where is ExxonMobil Baytown Refinery?
ExxonMobil Baytown Refinery is in Harris County, Texas, at 29.7535, −94.9973. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates ExxonMobil Baytown Refinery?
EIA-860M for August 2026 lists Exxon Mobil Refining and Supply Co. as the operator (EIA operator ID 6091). The operator is not always the owner.
When did ExxonMobil Baytown Refinery start operating?
Its first generator began operating in January 1952, according to EIA-860M.
Does InfraMap have power prices for ExxonMobil Baytown Refinery?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 2 price nodes linked to ExxonMobil Baytown Refinery, 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