Power plants in Jefferson County, Texas
8 operating power plants in Jefferson County, Texas, with 1,355 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
8
Nameplate capacity
1,355 MW
Net generation, 2025
7.43 TWh
7 of 8 plants reported
Largest power plants in Jefferson County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | ExxonMobil Beaumont RefineryNatural gas | 678 | 4,417 | 74.4% |
| 2 | Motiva Enterprises Port Arthur RefineryNatural gas | 277 | 146* | 71.1% |
| 3 | Air Products Port ArthurNatural gas | 169 | 1,215 | 82.0% |
| 4 | NAFTA Region Olefins Complex Cogen FacNatural gas | 83 | 577 | 79.2% |
| 5 | JCO Oxides Olefins PlantNatural gas | 74 | 569 | 88.1% |
| 6 | Port Arthur Texas RefineryNatural gas | 38 | 248 | 73.7% |
| 7 | Chickadee G-3Natural gas | 35 | 259 | 85.0% |
| 8 | HEB00048Natural gas | 1.2 | – | – |
* Fewer than 12 months of 2025 reported, so the total is partial.
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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Other counties in Texas
Harris County83 plants · 10,971 MWBrazoria County41 plants · 5,777 MWPecos County31 plants · 3,731 MWHidalgo County30 plants · 3,427 MWBexar County26 plants · 4,075 MWTarrant County25 plants · 1,382 MWFort Bend County24 plants · 7,211 MWCameron County21 plants · 1,445 MWGalveston County19 plants · 2,764 MW