MAINE INDEPENDENCE STATION

How MAINE INDEPENDENCE STATION compares

With 550 MW of capacity, MAINE INDEPENDENCE STATION ranks 3rd among the 83 operating power plants Bywatts maps in Maine and 2nd of the 5 operating Natural Gas plants in the state. It accounts for about 30% of Maine's operating Natural Gas capacity and 13% of all operating capacity in the state. Nationally it is the 298th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2000, it is newer than 76% of the 81 operating Maine plants with a recorded commissioning year. It shares Penobscot County with 13 other operating plants, including GREAT LAKES HYDRO AMERICA - ME and ROLLINS WIND PROJECT.

EIA-860 lists 3 generators at the site with 550 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 2,547 GWh in 2024 (a 53% capacity factor), about 4 times its 2022 output.

Grid neighborhood

The nearest named substation is ORRINGTON (345 kV), about 6.2 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by EMERA MAINE, about 0.1 miles away. Another 9 operating power plants totaling 424 MW sit within 25 miles; the largest is VERSO PAPER (298 MW, Natural Gas).

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