MARENGO WIND PLANT

How MARENGO WIND PLANT compares

With 211 MW of capacity, MARENGO WIND PLANT ranks 29th among the 126 operating power plants Bywatts maps in Washington and 4th of the 20 operating Wind plants in the state. It accounts for about 7.5% of Washington's operating Wind capacity and 0.7% of all operating capacity in the state. Nationally it is the 38th-largest of the 708 operating Wind plants in the database. Commissioned in 2007, it is newer than 80% of the 125 operating Washington plants with a recorded commissioning year. Its operator, PACIFICORP, runs 7 operating plants in Washington totaling 1,484 MW. It shares Columbia County with 2 other operating plants, LITTLE GOOSE and HOPKINS RIDGE WIND.

EIA-860 lists 2 generators at the site with 234 MW of nameplate capacity, all onshore wind turbine technology (this page's HIFLD capacity figure is 211 MW). Net generation was 693 GWh in 2024 (a 34% capacity factor), up 18% from 2022. Its generators came online between 2007 and 2008.

Grid neighborhood

The nearest named substation is TUCANNON RIVER (115 kV), about 3.7 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by PACIFICORP, under 0.1 miles away. Another 3 operating power plants totaling 1,309 MW sit within 25 miles; the largest is LITTLE GOOSE (810 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