PELTON

How PELTON compares

With 110 MW of capacity, PELTON ranks 24th among the 130 operating power plants Bywatts maps in Oregon and 10th of the 58 operating Hydro plants in the state. It accounts for about 1.4% of Oregon's operating Hydro capacity and 0.7% of all operating capacity in the state. Nationally it is the 164th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1957, it is older than 75% of the 128 operating Oregon plants with a recorded commissioning year. Its operator, PORTLAND GENERAL ELECTRIC CO, runs 14 operating plants in Oregon totaling 2,366 MW. It shares Jefferson County with 4 other operating plants, including ROUND BUTTE and WARM SPRINGS POWER ENTERPRISES.

EIA-860 lists 3 generators at the site with 110 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 362 GWh in 2024 (a 38% capacity factor), up 16% from 2022. Its generators came online between 1957 and 1958.

Grid neighborhood

The nearest named substation is PELTON (230 kV), under 0.1 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by PORTLAND GENERAL ELECTRIC CO, under 0.1 miles away. Another 3 operating power plants totaling 271 MW sit within 25 miles; the largest is ROUND BUTTE (247 MW, Hydro).

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