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Preliminary 2025 facility recordOperating

Dateland, AZ · EIA plant 67973

Sierra Pinta BESS

Sierra Pinta BESS is a storage power facility in Dateland, AZ, with 113 MW of operating capacity.

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Operating capacity113 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityLeeward Asset Management, LLCEIA-reported operator
Balancing authorityAZPSArizona Public Service Company

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage113 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

Nearby in AZ

Related facilities

AZ · 0.1 miWhite Wing Solar179 MW →AZ · 1.5 miAgua Caliente Solar Project348 MW →AZ · 2.9 miElisabeth Solar350 MW →AZ · 3.2 miMcFarland A Solar and Storage300 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