USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Cantua Creek, CA · EIA plant 59939

RE Tranquillity

RE Tranquillity is a solar power facility in Cantua Creek, CA, with 277 MW of operating capacity.

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Operating capacity277 MW3 operating generators
Proposed capacity0 MW0 proposed generators
UtilitySouthern Power CoEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Solar205 MW
Storage72 MW
ProposedNo proposed capacity reported
Reported technologiesBatteriesSolar Photovoltaic

Nearby in CA

Related facilities

CA · 0.8 miLuna Valley200 MW →CA · 1.4 miGreat Valley Solar Portfolio Holdings, L203 MW →CA · 2.2 miScarlet II Hybrid350 MW →CA · 2.6 miScarlet Solar (CA)240 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