World Power Plants

Wygen III is a 116 MW coal-fired power plant located in Wyoming, United States, operated by Black Hills Power Inc. since its commissioning in 2010. The facility primarily generates electricity from coal, with gas as a secondary fuel option. It ranks as the 235th largest coal plant in the United States. With 116 MW, it represents 0.04% of the country's total coal capacity of 261,836 MW. The U.S. has 297 coal plants with a combined capacity of 261,836 MW. Compared to the largest coal plant, W A Parish at 4,008 MW, Wygen III is about 2.9% the size. Coal remains an important energy source in the United States, contributing around 19% to the national electricity generation mix. The Wygen III plant's operation supports local coal mining industries in Wyoming, which is one of the largest coal-producing states. It is located approximately 10 miles southeast of Gillette in the Powder River Basin region.

Capacity
116 MW
Commissioning Year
2010

16 years old

Owner
Black Hills Power Inc. d/b/a
Location
44.2919°, -105.3806°

United States of America, North America

Context & rankings
  • 1,968. largest of 10,098 plants in United States of America
  • #9,440 worldwide by installed capacity
  • #2,320 of 2,793 Coal plants worldwide
  • 0.01% of the installed capacity of United States of America
Age & fleet comparison

16 years in operation

Coal fleet average: 29.2 years

Operator portfolio

Black Hills Power Inc. d/b/a operates 7 plants totalling 621 MW

Regional density

9 plants within 100 km, 1,309 MW combined

Nearest plant: Wygen 1 (0.7 km)

Location

Coordinates:: 44.291900, -105.380600
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Carbon Footprint820 g CO₂/kWh
Annual CO₂
458.3 Kt
559 GWh/year × 820 g/kWh
Cumulative CO₂
7.33 Mt
Over 16 years of operation
Est. Retirement
2050
24 years remaining
Annual emissions equivalent to
99.6K
cars per year
61.1K
homes per year
20.8M
trees to offset

Estimates based on Coal emission factor (820 g CO₂/kWh) and capacity factor (55%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Coal
Energy Source
Non-Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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