Mcginness Hills 3

♨ GeothermalIPP Non-CHP98 MW capacity

42nd largest plant in Nevada · 2604th nationally

Mcginness Hills 3 is a geothermal power plant in Nevada with a nameplate capacity of 98.8 MW. It generates roughly 558.4k MWh per year — enough to power about 53,179 average U.S. homes.

Its capacity factor of 65% puts it in the middle range — running steadily but not full-time.

PeakingMid-meritBaseload0%40%80%100%65%
Mid-merit — steady but not full-time
Capacity99 MWnameplate
Annual Generation558.4k MWhEPA eGRID
Capacity Factor65%of theoretical max
Annual CO₂metric tons

Location

Plant NameMcginness Hills 3
OperatorOrmat Nevada Inc
CityAustin
CountyLander County
StateNevada
ZIP89310
Coordinates39.59630, -116.89420

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Geothermal

Generators (4)

IDTechnologyFuelCapacityStatusOnline
OEC31GeothermalGeothermal37.0 MWOperating2018
OEC32GeothermalGeothermal37.0 MWOperating2018
G1AGeothermalGeothermal24.8 MWOperating2021
MHSOLSolar PhotovoltaicSolar14.0 MWApproved

Grid context

NERC RegionWECC
Balancing AuthorityNevada Power Company

About Geothermal plants

Geothermal plants tap heat from underground reservoirs to spin steam turbines. They provide carbon-free baseload power with very high capacity factors, but they only work where hot rock is accessible — primarily in the western U.S.

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