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Preliminary 2025 facility recordOperating

Middletown, CA · EIA plant 286

Geysers Unit 5-20

Geysers Unit 5-20 is a geothermal power facility in Middletown, CA, with 1,236 MW of operating capacity.

Open on mapView CA profileOpen EIA source
Operating capacity1,236 MW12 operating generators
Proposed capacity0 MW0 proposed generators
UtilityGeysers Power Co LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Geothermal1,236 MW
ProposedNo proposed capacity reported
Reported technologiesGeothermal

Nearby in CA

Related facilities

CA · 0.8 miCalistoga Power Plant176 MW →CA · 1.1 miSonoma California Geothermal78 MW →CA · 1.5 miWest Ford Flat25 MW →CA · 2.2 miGeothermal 1110 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