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2011 U.S. Wind Industry Annual Market Report: Rankings

2011 U.S. Wind Industry Annual Market Report: Rankings

The U.S. wind energy industry grew by 30% in 2011 and provided 31% of all new electric generating capacity in the United States. With 6,816 MW added in 2011, U.S. wind installations now stand at 46,916 MW, enough to supply electricity for over 12 million homes.

Top Five Largest U.S. Wind Power Projects

Wind Farm Size (MW) Project Owner
Alta, CA 981* Terra-Gen Power
Roscoe, TX 782 E.On Climate & Renewables
Horse Hollow, TX 736 NextEra Energy Resources
Capricorn Ridge, TX 663 NextEra Energy Resources
Sweetwater, TX 585 Infigen Energy & Duke Energy

Top Ten Cumulative Owners of U.S. Wind Power Capacity

Rankings Company Capacity (MW)
1. NextEra Energy Resources 8,349
2. Iberdrola Renewables 4,727
3. EDP Renewables North America LLC 3,422
4. MidAmerican & PacifiCorp 2,909
5 E.ON Climate & Renewables 2,221
6. Edison Mission Group 1,876
7. Invenergy 1,691
8. Terra-Gen Power 1,342
9. enXco 1,277
10. AES 1,152

Top Five Owners of New U.S. Wind Power Capacity in 2011

Rankings Company Capacity (MW)
1. Terra-Gen Power 681.0
2. MidAmerican Energy 593.4
3. Edison Mission Group 516.0
4. Iberdrola Renewables 426.5
5. NextEra Energy Resources 378.5

Top Ten Electric Utilities Ranked by Total Wind Capacity on System

Rankings Company Capacity (MW)
1. Xcel Energy 4,047
2 MidAmerican Energy (including PacificCorp) 3,767
3. Southern Company Edison 2,516
4. Pacific Gas & Electric 1,576
5. American Electric Power 1,494
6. Tennessee Valley Authority 977
7. Luminant Energy (formerly TXU) 913
8. CPS Energy 859
9. Los Angeles Department of Water & Power 855
10. Alliant Energy 851

In 2011, the U.S. wind industry installed 3,464 turbines or 6,816 MW. The left graphic breaks down the ranking of original equipment manufacturers (OEMs) for these installations. The top five OEMs installing turbines during 2011 were 1) GE Energy, 2) Vestas, 3) Siemens, 4) Suzlon and 5) Mitsubishi. OEMs often receive orders and deliver turbines in years prior to the year of project completion and turbine commissioning. Turbines delivered during 2011 totaled 3,583 turbines (7,132 MW) and this ranking is shown on the right. The top five OEMs delivering turbines during 2011 include 1) GE Energy, 2) Vestas, 3) Siemens, 4) Gamesa and 5) Clipper.

The total U.S. wind power fleet currently totals over 38,000 turbines and stood at nearly 47,000 MW at the end of 2011. Of these MW, over 40% utilize GE Energy or GE-owned turbines. Vestas ranks second with over 20% of the MW in the U.S. fleet. In third place, Siemens has a 12.5% fleet share and these three OEMs capture over 73% of the U.S. market. Mitsubishi, Gamesa, Suzlon and Clipper all have over 1,400 MW of installed capacity. Rounding out the top 10 are Acciona, REpower, and Nordex. In total, at least 58 different OEMs have operational turbines; however, many of these companies have since been purchased by other OEMs or are no longer in business.

In 2011, a total of 23 OEMs installed at least one utility-scale turbine.

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Updated May 2012

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Ashley Napier is a creative, multi- media communication technologist with over ten years of progressive experience in grassroots advocacy, online communication strategy, software implementation/project management, digital media, visual design, social media and copyediting for associations/non-profits. She currently works as a systems administrator with the American Wind Energy Association (AWEA). Before joining AWEA in 2012, Ashley worked for about 10 years at an array of associations and non-profits, including the Association for Research in Vision and Ophthalmology (ARVO) and the Center for Schools and Communities. Ashley also co-founded an art collective in Philadelphia: FitzHitz. As co-founder and VP of digital media, Ashley has collaborated with many neophyte artists from developing websites to curating a photo shoots to designing awesome flyers. Ashley graduated with an M.S. in Internet Communication from Shippensburg University in 2011. She received her B.A. in Communication with a focus on visual design from Temple University in 2002.

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