H M JACKSON

How H M JACKSON compares

With 112 MW of capacity, H M JACKSON ranks 46th among the 126 operating power plants Bywatts maps in Washington and 21st of the 65 operating Hydro plants in the state. It accounts for about 0.5% of Washington's operating Hydro capacity and 0.4% of all operating capacity in the state. Nationally it is the 161st-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1984, it is older than 52% of the 125 operating Washington plants with a recorded commissioning year. Its operator, SNOHOMISH COUNTY PUD NO 1, runs 2 operating plants in Washington totaling 119 MW. It shares Snohomish County with 2 other operating plants, YOUNGS CREEK HYDROELECTRIC PROJECT and DARRINGTON.

EIA-860 lists 4 generators at the site with 112 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 366 GWh in 2024 (a 37% capacity factor), down 11% from 2022.

Grid neighborhood

The nearest named substation is MONROE (500 kV), about 3.6 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by PUD 1 OF SNOHOMISH COUNTY, under 0.1 miles away. Another 2 operating power plants totaling 24 MW sit within 25 miles; the largest is SOUTH FORK TOLT (17 MW, Hydro). Within 50 miles are 7 mapped data centers; the nearest is Kanobe, LLC in Bothell, about 19.6 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