BIRON MILL

How BIRON MILL compares

With 62 MW of capacity, BIRON MILL ranks 33rd among the 141 operating power plants Bywatts maps in Wisconsin and 9th of the 15 operating Coal plants in the state. It accounts for about 0.9% of Wisconsin's operating Coal capacity and 0.4% of all operating capacity in the state. Nationally it is the 259th-largest of the 324 operating Coal plants in the database. Commissioned in 1947, it is older than 61% of the 141 operating Wisconsin plants with a recorded commissioning year. Its operator, NEWPAGE CORPORATION, runs 2 operating plants in Wisconsin totaling 69 MW. It shares Wood County with 5 other operating plants, including MARSHFIELD UTILITIES GAS PLANT and GEORGIA-PACIFIC CORP - NEKOOSA MILL.

EIA-860 lists 4 generators at the site with 62 MW of nameplate capacity, mainly conventional steam coal technology. Net generation was 95.7 GWh in 2024 (an 18% capacity factor), down 52% from 2022. Its generators came online between 1947 and 1987.

Grid neighborhood

The nearest named substation is PORT EDWARDS (138 kV), about 7.7 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by AMERICAN TRANSMISSION CO, about 1.5 miles away. Another 9 operating power plants totaling 145 MW sit within 25 miles; the largest is MARSHFIELD UTILITIES GAS PLANT (60 MW).

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