GREC

OperatingNatural GasSub. CoalHybrid

Ranked #1 of 38 Natural Gas plants in OK#34 of 2009 nationally

1788.3 MW Conventional Steam Coal (594 MW) + Natural Gas Fired Combined Cycle (600 MW) + Natural Gas Fired Combustion Turbine (594 MW) operating in Mayes, OK — Southwest Power Pool

EIAWD

1,788.3 MW

Nameplate Capacity

4

Generators

units

Hybrid (3)

Technology

Conventional Steam Coal + Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine

1985

Operating Since

Location

Coordinates

36.1903, -95.2894

County

Mayes, OK

Nearby Plants

Grand River Energy Center Solar
Solar84 MW · 0.4 km
Chouteau
Natural Gas1069.6 MW · 3.7 km
Markham
Hydro128.4 MW · 10.7 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Grand River Dam Authority	Grand River Dam Authority	—
Owner(s)	Grand River Dam Authority	Grand River Dam Authority	—
Status	Operating	—	—

Ownership Chain

About

Located in Mayes County, Oklahoma, the plant is owned and operated by the Grand River Dam Authority. The facility has a total capacity of 1788.3 MW across four generators, making it the largest power plant in Oklahoma and the 39th largest in the United States. The plant is a hybrid facility utilizing multiple technologies including Conventional Steam Coal, Natural Gas Fired Combined Cycle, and Natural Gas Fired Combustion Turbine. The primary fuel source is natural gas. The plant began operating in 1985.

The plant operates within the Southwest Power Pool balancing authority and the MRO NERC region. The latest annual generation data shows an output of 3,996,684 MWh, resulting in a capacity factor of 25.5%. Financial data indicates a Power Purchase Agreement (PPA) price of $8.5 per MWh, as reported in FERC EQRs. News coverage related to the plant includes 6 articles categorized as industry news, 2 as regulatory news, and 1 as hazard-related news.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators