Black Rock Iii

♨ GeothermalIPP Non-CHP
Capacitynameplate
Annual GenerationEPA eGRID
Capacity Factor
Annual CO₂metric tons

Location

Plant NameBlack Rock Iii
OperatorCe Obsidian Energy Llc
CityCalipatria
CountyImperial County
StateCalifornia
ZIP92233
Coordinates33.15940, -115.61440

Generators (1)

IDTechnologyFuelCapacityStatusOnline
G303GeothermalGeothermal70.0 MWIndef Postponed

Grid context

NERC RegionWECC
Balancing AuthorityCalifornia Independent System Operator

What this means

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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