SAGUARO

How SAGUARO compares

With 251 MW of capacity, SAGUARO ranks 29th among the 71 operating power plants Bywatts maps in Arizona and 20th of the 23 operating Natural Gas plants in the state. It accounts for about 1.5% of Arizona's operating Natural Gas capacity and 0.9% of all operating capacity in the state. Nationally it is the 499th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1972, it is older than 76% 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 3 generators at the site with 185 MW of nameplate capacity, all natural gas fired combustion turbine technology (this page's HIFLD capacity figure is 251 MW). Net generation was 135 GWh in 2024 (an 8.3% capacity factor), up 62% from 2022. Its generators came online between 1972 and 2002.

Grid neighborhood

The nearest named substation is SAGUARO (500 kV), about 0.4 miles away; the closest transmission line found within 10 miles is a 230 kV line, under 0.1 miles away. Another 2 operating power plants totaling 135 MW sit within 25 miles; the largest is NORTH LOOP (108 MW, Natural Gas). Within 50 miles is one mapped data center, Login Tucson in Tucson, about 28.7 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