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Preliminary 2025 facility recordProposed

Tonopah, AZ · EIA plant 68283

Desert Sand BESS

Desert Sand BESS is a storage power facility in Tonopah, AZ, with 600 MW of proposed capacity.

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Operating capacity0 MW0 operating generators
Proposed capacity600 MW2 proposed generators
UtilityDESA bn, LLCEIA-reported operator
Balancing authorityAZPSArizona Public Service Company

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage300 MW
Solar300 MW
Reported technologiesBatteriesSolar Photovoltaic

Nearby in AZ

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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