← Back to map

Oyster Creek Unit VIII

Brazoria County, Texas · EIA plant ID 54676 · Operator: Dow Chemical Company-Oyster Creek VIII
Natural gasNatural Gas Fired Combined CycleERCOTBA: ERCO
Nameplate498MWSummer 379 MW
Generators4in service
Net generation2,605GWh12 mo to Aug 2026
Capacity factor78%gas/coal/oil units, summer MW
Heat rate6,282Btu/kWhfossil units, electric fuel, HHV
First online1994Runs 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
0100200GWh2001200320052007200920112013201520172019202120232025

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%2005201020152020202578.5% · 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.
4,0006,0008,00010,000200520102015202020256,282 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20013,014.8——
20022,553.7——
20032,221.366.9%10,821
20042,967.789.1%8,743
20052,94188.6%8,285
20062,45073.8%9,579
20072,531.876.3%9,622
20082,379.871.5%9,609
20092,336.970.4%9,656
20102,204.166.4%9,660
20112,15064.8%9,657
20122,302.369.2%9,638
20132,34070.5%9,644
20142,16665.2%9,637
20152,182.665.7%9,628
20162,388.171.7%6,283
20172,397.772.2%6,306
20182,190.666.0%6,298
20192,596.778.2%6,278
20202,792.183.9%6,272
20212,503.475.4%6,269
20222,713.181.7%6,264
20232,686.680.9%6,270
20242,316.269.6%6,277
20252,500.175.3%6,279

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
G81Natural Gas Fired Combined CycleCT9973Oct 1994Operating—coming soon
G82Natural Gas Fired Combined CycleCT9973Oct 1994Operating—coming soon
G83Natural Gas Fired Combined CycleCT9973Oct 1994Operating—coming soon
G84Natural Gas Fired Combined CycleCA200.9160Oct 1994Operating—coming soon

Owner / operator

Operator: Dow Chemical Company-Oyster Creek VIII. 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%498 MW

Nearby plants

Within 80 km.
Freeport LP Pretreatment Facility87 MW3.4 km
Freeport Energy Center260 MW5.3 km
Praxair1 MW5.3 km
BASF Freeport Works93 MW5.6 km
Freeport Energy603 MW6.5 km
Brazoria Solar I—17.9 km