HOOVER DAM (AZ)

How HOOVER DAM (AZ) compares

With 1,040 MW of capacity, HOOVER DAM (AZ) ranks 9th among the 71 operating power plants Bywatts maps in Arizona and 2nd of the 9 operating Hydro plants in the state. It accounts for about 35% of Arizona's operating Hydro capacity and 3.6% of all operating capacity in the state. Nationally it is the 16th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1936, it is older than 94% of the 69 operating Arizona plants with a recorded commissioning year. Its operator, U S BUREAU OF RECLAMATION, runs 3 operating plants in Arizona totaling 2,607 MW. It shares Mohave County with 5 other operating plants, including SOUTH POINT ENERGY CENTER and GRIFFITH ENERGY LLC.

EIA-860 lists 10 generators at the site with 1,039 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 1,412 GWh in 2024 (a 15% capacity factor), down 8% from 2022. Its generators came online between 1936 and 1952.

Grid neighborhood

The nearest named substation is HOOVER (230 kV), about 0.3 miles away; the closest transmission line found within 10 miles is a 230 kV line, about 0.3 miles away. Another 14 operating power plants totaling 3,793 MW sit within 25 miles; the largest is CLARK (NVE) (1,243 MW, Natural Gas). Within 50 miles are 2 mapped data centers; the nearest is Fiberhub LAS1 in Las Vegas, about 22.6 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