SUMAS POWER PLANT

How SUMAS POWER PLANT compares

With 126 MW of capacity, SUMAS POWER PLANT ranks 45th among the 126 operating power plants Bywatts maps in Washington and 13th of the 17 operating Natural Gas plants in the state. It accounts for about 3.1% of Washington's operating Natural Gas capacity and 0.4% of all operating capacity in the state. Nationally it is the 636th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1993, it is newer than 62% of the 125 operating Washington plants with a recorded commissioning year. Its operator, PUGET SOUND ENERGY INC, runs 17 operating plants in Washington totaling 2,943 MW. It shares Whatcom County with 9 other operating plants, including ROSS and FERNDALE GENERATING STATION.

EIA-860 lists 2 generators at the site with 126 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 676 GWh in 2024 (a 61% capacity factor), up 47% from 2022.

Grid neighborhood

The nearest named substation is ABBOTSFORD, about 4.9 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by PUGET SOUND ENERGY INC, under 0.1 miles away. Another 3 operating power plants totaling 631 MW sit within 25 miles; the largest is FERNDALE GENERATING STATION (286 MW, Natural Gas). Within 50 miles is one mapped data center, CSSNW Bellingham in Bellingham, about 18.6 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