Mayes County, OK power plants

10 EIA-registered plants with 2.3 GW of nameplate capacity inside SPP; the largest is GREC at 1,194.3 MW.

Capacity by fuel

Nameplate capacity · plants

coal: 1.2 GW1
solar: 576.4 MW6
hydroelectric: 517.2 MW3

Mayes County, OK capacity ranking

10 matching plants · ranked by nameplate capacity

Rank	Plant	Capacity	Type	Operator	Location
1	GRECGrand River Dam AuthorityDetailed profile	1,194.3 MW	Conventional Steam Coal, Natural Gas Fired Combined Cycle	Grand River Dam Authority	Mayes County
2	SalinaGrand River Dam AuthorityDetailed profile	259.2 MW	Hydroelectric Pumped Storage	Grand River Dam Authority	Mayes County
3	Twelvemile Solar 1Leeward Asset Management, LLC	152 MW	Solar Photovoltaic	Leeward Asset Management, LLC	Mayes County
4	PensacolaGrand River Dam AuthorityDetailed profile	129.6 MW	Conventional Hydroelectric	Grand River Dam Authority	Mayes County
5	MarkhamGrand River Dam Authority	128.4 MW	Conventional Hydroelectric	Grand River Dam Authority	Mayes County
6	Huckleberry SolarLeeward Asset Management, LLC	124.7 MW	Solar Photovoltaic	Leeward Asset Management, LLC	Mayes County
7	Mayes County SolarLeeward Asset Management, LLC	101.5 MW	Solar Photovoltaic	Leeward Asset Management, LLC	Mayes County
8	Saltbranch 2Leeward Asset Management, LLC	73 MW	Solar Photovoltaic	Leeward Asset Management, LLC	Mayes County
9	Saltbranch Solar 1Leeward Asset Management, LLC	73 MW	Solar Photovoltaic	Leeward Asset Management, LLC	Mayes County
10	Twelvemile Solar 2Leeward Asset Management, LLC	52.2 MW	Solar Photovoltaic	Leeward Asset Management, LLC	Mayes County

Other SPP counties

plants

County assignment and capacity come from the EIA generator inventory. Capacity is nameplate capacity, not seasonal capability or available operating capacity. A plant can include multiple generators and technologies.