Collin County, TX power plants

13 EIA-registered plants with 590.3 MW of nameplate capacity inside ERCOT; the largest is Ray Olinger at 427.7 MW.

Capacity by fuel

Nameplate capacity · plants

natural gas: 438.9 MW6
batteries: 139.8 MW3
solar: 7.7 MW1
petroleum: 3.9 MW3

Collin County, TX capacity ranking

13 matching plants · ranked by nameplate capacity

Rank	Plant	Capacity	Type	Operator	Location
1	Ray OlingerCity of Garland - (TX)Detailed profile	427.7 MW	Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine	City of Garland - (TX)	Collin County
2	Wigeon Whistle Battery Storage PlantWigeon Whistle BESS LLC	120 MW	Batteries	Wigeon Whistle BESS LLC	Collin County
3	Farmersville (TX)HEN Infrastructure, L.L.C.Detailed profile	9.9 MW	Batteries	HEN Infrastructure, L.L.C.	Collin County
4	Farmersville WestSBESS TX7 LLC	9.9 MW	Batteries	SBESS TX7 LLC	Collin County
5	Toyota HQ PlanMN8 Energy LLC	7.7 MW	Solar Photovoltaic	MN8 Energy LLC	Collin County
6	OTHERChildrensPlanoGenerate ER-NG, LLC	6.4 MW	Natural Gas Internal Combustion Engine	Generate ER-NG, LLC	Collin County
7	WAL202Walmart Stores Texas, LLC	1.3 MW	Petroleum Liquids	Walmart Stores Texas, LLC	Collin County
8	WAL5211Walmart Stores Texas, LLC	1.3 MW	Petroleum Liquids	Walmart Stores Texas, LLC	Collin County
9	WAL5311Walmart Stores Texas, LLC	1.3 MW	Petroleum Liquids	Walmart Stores Texas, LLC	Collin County
10	HEB00790Generate ER-NG, LLC	1.2 MW	Natural Gas Internal Combustion Engine	Generate ER-NG, LLC	Collin County
11	HEB00794Generate ER-NG, LLC	1.2 MW	Natural Gas Internal Combustion Engine	Generate ER-NG, LLC	Collin County
12	HEB00796Generate ER-NG, LLC	1.2 MW	Natural Gas Internal Combustion Engine	Generate ER-NG, LLC	Collin County
13	WAL2883Walmart Stores Texas, LLC	1.2 MW	Natural Gas Internal Combustion Engine	Walmart Stores Texas, LLC	Collin County

Other ERCOT 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.