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Preliminary 2025 facility recordProposed

Lucerne Valley, CA · EIA plant 68486

Sienna 2 Solar and Storage Project

Sienna 2 Solar and Storage Project is a solar power facility in Lucerne Valley, CA, with 110 MW of proposed capacity.

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Operating capacity0 MW0 operating generators
Proposed capacity110 MW2 proposed generators
Utility44ST 8ME LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Solar55 MW
Storage55 MW
Reported technologiesBatteriesSolar Photovoltaic

Nearby in CA

Related facilities

CA · 1.7 miSienna Solar Farm400 MW →CA · 7.0 miLone Valley Solar Park II LLC20 MW →CA · 7.6 miLone Valley Solar Park I LLC10 MW →CA · 10.0 miLongboat Solar, LLC20 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