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Preliminary 2025 facility recordOperating

Tonopah, AZ · EIA plant 67474

Harquahala 2

Harquahala 2 is a storage power facility in Tonopah, AZ, with 600 MW of operating capacity.

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Operating capacity600 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityCopia PowerEIA-reported operator
Balancing authorityAZPSArizona Public Service Company

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage300 MW
Solar300 MW
ProposedNo proposed capacity reported
Reported technologiesBatteriesSolar Photovoltaic

Nearby in AZ

Related facilities

AZ · 0.2 miMaricopa Solar1,100 MW →AZ · 1.1 miHarquahala Generating Project1,277 MW →AZ · 2.0 miHarquahala Sun Solar Project150 MW →AZ · 4.2 miDesert Sand BESS600 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