LONG LAKE

How LONG LAKE compares

With 70 MW of capacity, LONG LAKE ranks 59th among the 126 operating power plants Bywatts maps in Washington and 27th of the 65 operating Hydro plants in the state. It accounts for about 0.3% of Washington's operating Hydro capacity and 0.2% of all operating capacity in the state. Nationally it is the 233rd-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1915, it is older than 94% of the 125 operating Washington plants with a recorded commissioning year. Its operator, AVISTA CORP, runs 8 operating plants in Washington totaling 298 MW. It shares Lincoln County with one other operating plant, LITTLE FALLS.

EIA-860 lists 4 generators at the site with 70 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 456 GWh in 2024 (a 74% capacity factor), down 8% from 2022. Its generators came online between 1915 and 1924.

Grid neighborhood

The nearest named substation is SPRINGHILL (115 kV), about 13.5 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by AVISTA CORP, under 0.1 miles away. Another 6 operating power plants totaling 171 MW sit within 25 miles; the largest is NORTHEAST (62 MW, Natural Gas). Within 50 miles are 2 mapped data centers; the nearest is US Bank Building in Spokane, about 23.1 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