SUNDANCE

How SUNDANCE compares

With 440 MW of capacity, SUNDANCE ranks 24th among the 71 operating power plants Bywatts maps in Arizona and 18th of the 23 operating Natural Gas plants in the state. It accounts for about 2.7% of Arizona's operating Natural Gas capacity and 1.5% of all operating capacity in the state. Nationally it is the 356th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2002, it is older than 53% of the 69 operating Arizona plants with a recorded commissioning year. Its operator, ARIZONA PUBLIC SERVICE CO, runs 17 operating plants in Arizona totaling 8,906 MW. It shares Pinal County with 4 other operating plants, including COOLIDGE GENERATION STATION and DESERT BASIN.

EIA-860 lists 10 generators at the site with 605 MW of nameplate capacity, all natural gas fired combustion turbine technology (this page's HIFLD capacity figure is 440 MW). Net generation was 384 GWh in 2024 (a 7.2% capacity factor), down 2% from 2022.

Grid neighborhood

The nearest named substation is SUNDANCE (230 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 230 kV line, about 0.1 miles away. Another 5 operating power plants totaling 1,613 MW sit within 25 miles; the largest is COOLIDGE GENERATION STATION (726 MW, Natural Gas). Within 50 miles are 5 mapped data centers; the nearest is CyrusOne Phoenix in Phoenix, about 29.1 miles away.

Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology