FREMONT CANYON

How FREMONT CANYON compares

With 67 MW of capacity, FREMONT CANYON ranks 21st among the 53 operating power plants Bywatts maps in Wyoming and is the largest of the 14 operating Hydro plants in the state. It accounts for about 22% of Wyoming's operating Hydro capacity and 0.8% of all operating capacity in the state. Nationally it is the 242nd-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1960, it is older than 71% of the 53 operating Wyoming plants with a recorded commissioning year. Its operator, U S BUREAU OF RECLAMATION, runs 13 operating plants in Wyoming totaling 297 MW. It shares Natrona County with 2 other operating plants, ALCOVA and CASPER WIND FARM.

EIA-860 lists 2 generators at the site with 67 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 228 GWh in 2024 (a 39% capacity factor), up 13% from 2022. Its generators came online between 1960 and 1961.

Grid neighborhood

The nearest named substation is FREMONT CANYON, under 0.1 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by WAPA-- WESTERN AREA POWER ADMINISTRATION, under 0.1 miles away. Another 3 operating power plants totaling 129 MW sit within 25 miles; the largest is SEMINOE (52 MW, Hydro).

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