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Preliminary 2025 facility recordProposed

Tonopah, AZ · EIA plant 69684

Maricopa Solar

Maricopa Solar is a solar power facility in Tonopah, AZ, with 1,100 MW of proposed capacity.

Open on mapView AZ profileOpen EIA source
Operating capacity0 MW0 operating generators
Proposed capacity1,100 MW2 proposed generators
UtilityMaricopa SolarEIA-reported operator
Balancing authorityAZPSArizona Public Service Company

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Solar550 MW
Storage550 MW
Reported technologiesBatteriesSolar Photovoltaic

Nearby in AZ

Related facilities

AZ · 0.2 miHarquahala 2600 MW →AZ · 0.9 miHarquahala Generating Project1,277 MW →AZ · 2.1 miHarquahala Sun Solar Project150 MW →AZ · 4.1 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