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Freeport Energy Center

Brazoria County, Texas · EIA plant ID 56152 · Operator: Dow Chemical Co
Natural gasNatural Gas Fired Combined CycleERCOTBA: ERCO
Nameplate260MWSummer 219 MW
Generators2in service
Net generation1,171GWh12 mo to Aug 2026
Capacity factor61%gas/coal/oil units, summer MW
Heat rate5,025Btu/kWhfossil units, electric fuel, HHV
First online2007Runs 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
050100150GWh200720122014201620182020202220242026

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.
0%25%50%75%201020152020202560.9% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
2,5005,0007,50010,00012,500201220142016201820202022202420265,025 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
200700.0%—
20111,39763.9%11,725
20121,324.668.7%11,725
20131,276.866.4%8,940
20141,710.789.0%8,447
20151,434.174.6%8,665
20161,193.861.9%4,595
20171,300.867.7%5,025
20181,43474.6%5,025
20191,043.554.3%5,008
20201,295.767.2%5,025
20211,441.975.0%5,025
20221,162.260.5%5,025
20231,243.364.7%5,583
20241,003.752.1%5,005
2025847.744.1%5,025

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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
CTG1Natural Gas Fired Combined CycleCT180169.4May 2007Operating—coming soon
STG1Natural Gas Fired Combined CycleCA8050May 2007Operating—coming soon

Owner / operator

Operator: Dow Chemical Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Fengate Asset Management100.0%260 MW

Nearby plants

Within 80 km.
Freeport Energy603 MW1.2 km
BASF Freeport Works93 MW1.5 km
Praxair1 MW1.9 km
Oyster Creek Unit VIII498 MW5.3 km
Freeport LP Pretreatment Facility87 MW8.7 km
Brazoria Solar I—16.8 km