Preliminary 2025 facility recordProposed

Lucerne Valley, CA · EIA plant 64632

Sienna Solar Farm

Sienna Solar Farm is a solar power facility in Lucerne Valley, CA, with 400 MW of proposed capacity.

Operating capacity0 MW0 operating generators
Proposed capacity400 MW2 proposed generators
Utility99MT 8me, LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Solar200 MW
Storage200 MW
Reported technologiesBatteriesSolar Photovoltaic

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