Wind power in Wyoming

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Wind resource map at 50m above ground

Wyoming has one of the highest wind power potentials of any state in the United States. As of 2016, Wyoming has 1489 megawatts (MW) of wind powered electricity generating capacity, responsible for 9.42% of in-state electricity production.[1] Wyoming produced of 3,800 GWh in 2015,[2] about 9% of the total.[3]


Wyoming's geography of high-altitude prairies with broad ridges makes the state an ideal site for the development of wind resources. Other factors that positively affect Wyoming's wind power development potential include transmission capabilities,[4] the high energy needs of nearby population centers,[4] high public support of wind power development in the state (97% support),[5] and the historical importance of energy sectors to the state's economy.[6]

Disadvantages to large-scale wind power production include competition from fossil fuels industry, as coal power provided 42.7 TWh (90%)[7] of Wyoming electricity in 2016, compared to 3.8 TWh for wind.[2] Wyoming taxes wind power[8] with $1/MWh which provided the state with $3.8 million in 2015.[7]


At the end of 2013 Wyoming had the highest per capita wind power capacity.

The first two wind turbines in Wyoming were constructed in Medicine Bow on September 4, 1982 by the National Aeronautics and Space Administration and the United States Department of Energy. The wind turbines were the largest in the U.S. The two turbines included the WTS-4 at 391 feet tall, and the MOD-2 at 350 feet tall. Mayor of Medicine Bow Gerald Cook held an event with 500 residents at the construction site and declared September 4 "Wind Turbine Day."[9]

Wyoming's first commercial wind farm was the Foote Creek Rim wind project located near Arlington completed on April 4, 1999. This 85 MW (megawatts) wind project had 69 wind turbines, and it is located in one of the windiest locations in the state. Due to average winds of 25 mph in the area, the wind project has a capacity factor of 43% of peak output annually, which is higher than most wind farms. As of 2016, the Foote Creek wind project has 183 turbines with a generating capacity of 134.7 MW.[10]

In 2003, the Wyoming Wind Energy Center began operations. It has 80 turbines with a 144 MW capacity and is located near Evanston in Uinta County.[11]

In 2008, the Glenrock Wind Project outside of Glenrock began operations on top of a reclaimed surface coal mine. PacifiCorp, the owner, "believe[s] this is the first wind facility in the West to recycle land that once provided fossil fuels into one that captures renewable energy." The wind project has 66 turbines that generate up to 99 MW.[12]

Seven Mile Hill and Seven Mile Hill II began operations between Hanna and Medicine Bow. It has 79 turbines with a generating capacity of 118.5 MW.[13] In 2008, Mountain Wind Power, LLC and Mountain Wind Power II, LLC began operations. They have 67 turbines with a 140 MW capacity.[14]

Wyoming Wind Generation by Year
Thousand megawatt-hours of Wind Generation
since 2003[15]

In November 2008, the New York Times reported a land rush in Wyoming in anticipation of future wind power development projects. Citizens and land-owners in Wyoming have formed numerous "wind associations" in the hopes of collectively bargaining for higher compensation for the use of their land in wind power production and transmission projects.[16] Most of these associations are located in the wind-power dense counties of southeastern Wyoming, including Platte, Converse, Goshen and Laramie counties.

In 2010, the High Plains and McFadden Ridge Wind Energy Project near Rock River began operations with 66 turbines. It has a capacity of 99 MW. Three Buttes Windpower, LLC, began operations in Converse County near Glenrock and has 66 turbines with a 99 MW capacity. Casper Wind Farm began operations near Capser in Natrona County and has 11 turbines with a generating capacity of 16.5 MW.[14]

Energy Transportation Inc., headquartered in Casper, is a well-known logistics firm that transports overweight and outsized components used in the wind power industry.[17] The Casper landfill is also a disposal site for windmill blades.[18]

In 2010, Dunalap I began operations near Medicine Bow. It has 74 turbines with 111 MW capacity. The Top of the World Windpower Project began operations in Converse County near Glenrock and has 110 Turbines with a 200 MW capacity.[14]

On November 16, 2016, Microsoft Corp bought 237 MW of wind power from Duke Energy's Happy Jack and Silver Sage wind farms in Wyoming along with Allianz Risk Transfer AG's Bloom Wind Project in Kansas to power a data center located in Cheyenne. This was the largest wind purchase in the history of Microsoft.[19]

Proposed wind farms[edit]

The White Mountain Wind Energy Project is a proposed 360 MW wind farm which would result in the construction of up to 240 turbines on White Mountain just northwest of Rock Springs.[20]

The Chokecherry and Sierra Madre Wind Energy Project[21] is the largest commercial wind generation facility under development in North America. Power Company of Wyoming has applied to the BLM to build approximately 1,000 wind turbines in an area located south of Rawlins, Wyoming, in Carbon County. The project is proposed to generate 2,000 to 3,000 megawatts (MW) of electricity and construction may take 3–4 years with a project life estimate of 30 years.[22]

Wind energy generation[edit]

Monthly wind power production in Wyoming between 2008-2015. In GWh.
Wyoming Wind Generation in 2011
Wyoming Wind Generation (GWh, Million kWh)
Year Total Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
2010 3,247 281 214 243 306 265 211 197 191 204 316 429 410
2011 4,612 546 468 493 442 372 290 214 223 203 375 511 476
2012 4,369 632 357 503 347 304 294 174 201 184 399 481 493
2017 383
2018 313


Wind energy consumption[edit]

In 2014, wind energy consumption in Wyoming was estimated to be 4,406 GWh.[26]


  1. ^ "Wyoming Wind Energy" (PDF). U.S. Wind Energy State Facts. American Wind Energy Association. Retrieved 27 December 2017.
  2. ^ a b 2016 State of the Interconnection page 23. WECC, 2016. Archive
  3. ^ Popovich, Nadja (2018-12-24). "How Does Your State Make Electricity?". The New York Times. ISSN 0362-4331. Retrieved 2019-01-07.
  4. ^ a b "Wind Energy in Wyoming | Wind Energy Research Center | University of Wyoming". Retrieved 2016-11-19.
  5. ^ "UW Poll: Wyomingites Favor Many Energy Solutions | Wind Energy Research Center | University of Wyoming". Retrieved 2016-11-19.
  6. ^ Survey, Wyoming State Geological. "Wyoming State Geological Survey". Retrieved 2016-11-19.
  7. ^ a b "Wyoming lawmakers want to limit utility usage of in-state wind energy". Utility Dive. 2017-01-17. Retrieved 2017-01-22.
  8. ^ Joyce, Stephanie; Radio, Wyoming Public. "Wyoming Considers Raising Nation's Only Wind Tax". Inside Energy. Retrieved 2016-11-19.
  9. ^ Bailey, James. "The Medicine Bow Wind Energy Project." Historic Reclamations Project. (Bureau of Land Management. 2014), 1. PDF
  10. ^ "Wind Energy". 2016-07-28. Retrieved 2016-11-19.
  11. ^ "Wyoming Wind Energy Center | Renewable Northwest". Retrieved 2016-11-19.
  12. ^ "Glenrock Wind Project." PacifiCorp. 2011.
  13. ^ "Seven Mile Hill I & II Wind Farm | Open Energy Information". Retrieved 2016-11-19.
  14. ^ a b c "Rocky Mountain Power's Wind Projects." Rocky Mountain Power. 2010. PDF.
  15. ^ "Electricity Data Browser". EIA. U.S. Dept. of Energy, Energy Information Administration. Retrieved 24 October 2015.
  16. ^ Barringer, F. "A Land Rush in Wyoming Spurred by Wind." New York Times. 27 Nov 2008.
  17. ^ Transporting wind turbine components
  18. ^ Martin, Chris (February 7, 2020). "Wind Turbine Blades Can't Be Recycled, So They're Piling Up in Landfills". Yahoo. Retrieved 2020-02-07.
  19. ^ Eagle, Becky Orr Wyoming Tribune. "Microsoft data center in Cheyenne to be powered by wind energy". Casper Star-Tribune Online. Retrieved 2016-11-19.
  20. ^ Bureau of Land Management (November 22, 2011). "2012 Renewable Energy Priority Projects".
  21. ^
  22. ^ Bureau of Land Management (2011-07-22). "Chokecherry/Sierra Madre Wind Energy Comment Period Opens".
  23. ^ EIA (July 27, 2012). "Electric Power Monthly Table 1.17.A." United States Department of Energy. Retrieved 2012-08-15.
  24. ^ EIA (July 27, 2012). "Electric Power Monthly Table 1.17.B." United States Department of Energy. Retrieved 2012-08-15.
  25. ^ EIA. "Electricity data browser - 1.17". United States Department of Energy. Retrieved 2014-08-18.
  26. ^ "United States - U.S. Energy Information Administration (EIA) - U.S. Energy Information Administration (EIA)". Retrieved 2016-11-25.

External links[edit]