WESTON

How WESTON compares

With 1,163 MW of capacity, WESTON ranks 5th among the 141 operating power plants Bywatts maps in Wisconsin and 3rd of the 15 operating Coal plants in the state. It accounts for about 18% of Wisconsin's operating Coal capacity and 7.2% of all operating capacity in the state. Nationally it is the 99th-largest of the 324 operating Coal plants in the database. Commissioned in 1981, it is newer than 62% of the 141 operating Wisconsin plants with a recorded commissioning year. Its operator, WISCONSIN PUBLIC SERVICE CORP, runs 15 operating plants in Wisconsin totaling 2,193 MW. It shares Marathon County with 3 other operating plants, including MOSINEE PAPER and WESTON.

EIA-860 lists 2 generators at the site with 946 MW of nameplate capacity, all conventional steam coal technology (this page's HIFLD capacity figure is 1,163 MW). Net generation was 3,981 GWh in 2024 (a 48% capacity factor), down 9% from 2022. Its generators came online between 1981 and 2008.

Grid neighborhood

The nearest named substation is WESTON SW YD (345 kV), about 0.8 miles away; the closest transmission line found within 10 miles is a 345 kV line owned by NORTHERN STATES POWER CO, under 0.1 miles away. Another 7 operating power plants totaling 55 MW sit within 25 miles; the largest is MOSINEE PAPER (23 MW, Biomass).

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