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Preliminary 2025 facility recordOperating

Inyokern, CA · EIA plant 10875

Coso Energy Developers

Coso Energy Developers is a geothermal power facility in Inyokern, CA, with 90 MW of operating capacity.

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Operating capacity90 MW3 operating generators
Proposed capacity0 MW0 proposed generators
UtilityCoso Operating Co LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Geothermal90 MW
ProposedNo proposed capacity reported
Reported technologiesGeothermal

Nearby in CA

Related facilities

CA · 1.2 miCoso Power Developers90 MW →CA · 1.3 miCoso Battery Storage60 MW →CA · 1.5 miMordor ES125 MW →CA · 1.5 miMordor ES220 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source