ExxonMobil Beaumont Refinery
Jefferson County, Texas · EIA plant ID 50625 · Operator: ExxonMobil Oil Corp
Nameplate678MWSummer 611 MW
Generators10in service
Net generation4,147GWh12 mo to Aug 2026
Capacity factor77%gas/coal/oil units, summer MW
Heat rate7,496Btu/kWhfossil units, electric fuel, HHV
First online1966Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 1,584.7 | — | — |
| 2002 | 1,923.2 | — | — |
| 2003 | 1,215 | 71.3% | 6,571 |
| 2004 | 1,183.9 | 64.9% | 7,781 |
| 2005 | 2,588.3 | 55.3% | 7,734 |
| 2006 | 4,039.7 | 73.0% | 7,896 |
| 2007 | 2,814.7 | 51.3% | 7,896 |
| 2008 | 3,001 | 54.5% | 7,020 |
| 2009 | 3,186.9 | 58.1% | 6,814 |
| 2010 | 3,376.9 | 63.7% | 5,471 |
| 2011 | 4,077.1 | 76.8% | 5,521 |
| 2012 | 4,337.6 | 81.5% | 5,403 |
| 2013 | 4,660.2 | 87.8% | 5,317 |
| 2014 | 3,943.8 | 74.3% | 5,482 |
| 2015 | 4,073.1 | 76.8% | 5,400 |
| 2016 | 4,037.2 | 75.9% | 7,430 |
| 2017 | 4,336.7 | 81.8% | 7,070 |
| 2018 | 4,210.9 | 79.4% | 7,034 |
| 2019 | 4,091.2 | 77.1% | 6,943 |
| 2020 | 3,972.3 | 74.7% | 7,326 |
| 2021 | 4,143.5 | 78.1% | 7,356 |
| 2022 | 4,464.5 | 84.2% | 7,155 |
| 2023 | 4,253.9 | 79.5% | 7,524 |
| 2024 | 4,365.8 | 81.4% | 7,391 |
| 2025 | 4,416.7 | 82.6% | 7,433 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| ETG | Other Gases | ST | 7.5 | 5 | Jan 1978 | Operating | — | coming soon |
| TG22 | Natural Gas Steam Turbine | ST | 27.2 | 25 | Feb 1978 | Operating | — | coming soon |
| TG23 | Natural Gas Steam Turbine | ST | 40.5 | 38.6 | Jun 1993 | Operating | — | coming soon |
| TG24 | Natural Gas Fired Combustion Turbine | GT | 38.6 | 32 | Jun 1993 | Operating | — | coming soon |
| TG32 | Natural Gas Steam Turbine | ST | 25 | 25 | Jan 1970 | Operating | — | coming soon |
| TG33 | Natural Gas Steam Turbine | ST | 20 | 20 | Jan 1966 | Operating | — | coming soon |
| TG34 | Natural Gas Steam Turbine | ST | 30 | 30 | Jan 1967 | Operating | — | coming soon |
| TG41 | Natural Gas Fired Combustion Turbine | GT | 163 | 145 | Jun 2005 | Operating | — | coming soon |
| TG42 | Natural Gas Fired Combustion Turbine | GT | 163 | 145 | Apr 2005 | Operating | — | coming soon |
| TG43 | Natural Gas Fired Combustion Turbine | GT | 163 | 145 | Dec 2004 | Operating | — | coming soon |
| GE10 | — | ST | 7.5 | 7.5 | Jan 1978 | not_current | — | coming soon |
| TG7 | Other Gases | ST | 10 | 9.5 | Feb 1957 | Retired Aug 2005 | — | coming soon |
| TG9 | Other Gases | ST | 10 | 9.5 | Jun 1959 | Retired Aug 2005 | — | coming soon |
Owner / operator
Operator: ExxonMobil Oil Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| ExxonMobil Oil Corp | 100.0% | 678 MW |
Nearby plants
Within 80 km.
| HEB00048 | 1 MW | 10.3 km |
| Port Neches Plant | retired | 15.1 km |
| Goodyear Beaumont Chemical Plant | 35 MW | 16.8 km |
| JCO Oxides Olefins Plant | 74 MW | 17.9 km |
| Sabine | 1,812 MW | 19.5 km |
| Orange County Advanced Power Station | — | 20.1 km |