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Preliminary 2025 facility recordOperating

Tonopah, AZ · EIA plant 55372

Harquahala Generating Project

Harquahala Generating Project is a oil & gas power facility in Tonopah, AZ, with 1,277 MW of operating capacity.

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Operating capacity1,277 MW6 operating generators
Proposed capacity0 MW0 proposed generators
UtilityNew Harquahala Generating Co, LLCEIA-reported operator
Balancing authoritySRPSalt River Project

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas1,277 MW
ProposedNo proposed capacity reported
Reported technologiesNatural Gas Fired Combined Cycle

Nearby in AZ

Related facilities

AZ · 0.9 miMaricopa Solar1,100 MW →AZ · 1.1 miHarquahala 2600 MW →AZ · 2.7 miHarquahala Sun Solar Project150 MW →AZ · 3.9 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