CHEHALIS GENERATING FACILITY

How CHEHALIS GENERATING FACILITY compares

With 593 MW of capacity, CHEHALIS GENERATING FACILITY ranks 16th among the 126 operating power plants Bywatts maps in Washington and 2nd of the 17 operating Natural Gas plants in the state. It accounts for about 15% of Washington's operating Natural Gas capacity and 2.0% of all operating capacity in the state. Nationally it is the 265th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2003, it is newer than 73% 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 Lewis County with 5 other operating plants, including TRANSALTA CENTRALIA GENERATION and MOSSYROCK.

EIA-860 lists 3 generators at the site with 593 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 2,652 GWh in 2024 (a 51% capacity factor), up 22% from 2022.

Grid neighborhood

The nearest named substation is NAPAVINE (500 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 500 kV line owned by BONNEVILLE POWER ADMINISTRATION, under 0.1 miles away. Another 4 operating power plants totaling 1,193 MW sit within 25 miles; the largest is TRANSALTA CENTRALIA GENERATION (730 MW, Coal).

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