BONNEVILLE

How BONNEVILLE compares

With 1,093 MW of capacity, BONNEVILLE ranks 3rd among the 130 operating power plants Bywatts maps in Oregon and 3rd of the 58 operating Hydro plants in the state. It accounts for about 13% of Oregon's operating Hydro capacity and 7.3% of all operating capacity in the state. Nationally it is the 13th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1938, it is older than 92% of the 128 operating Oregon plants with a recorded commissioning year. Its operator, USACE NORTHWESTERN DIVISION, runs 13 operating plants in Oregon totaling 6,521 MW. It shares Multnomah County with one other operating plant, PHP 1.

EIA-860 lists 20 generators at the site with 1,162 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 3,493 GWh in 2024 (a 34% capacity factor), down 25% from 2022. Its generators came online between 1938 and 1982.

Grid neighborhood

The nearest named substation is ACTON (500 kV), about 0.7 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by BONNEVILLE POWER ADMINISTRATION, under 0.1 miles away. Another 5 operating power plants totaling 44 MW sit within 25 miles; the largest is PHP 1 (24 MW, Hydro). Within 50 miles are 2 mapped data centers; the nearest is PTOR1 in Portland, about 36.8 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