228 plants · 56.4 GW total capacity
Arizona has 228 power plants with 56.4 GW total capacity. The generation mix includes 109 solar, 58 battery, 34 gas plants.
Largest is Palo Verde (4210 MW Nuclear); oldest active is Mormon Flat (1926); newest is Kingman Energy Storage (2025); top owner is Pinnacle West Capital (21 plants).
260 interconnection queue projects in Arizona totaling 105.1 GW of proposed capacity.
Showing top 50 of 260 projects by capacity.
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