2010 U.S. Wind Industry Annual Market Report: Rankings
AWEA U.S. Wind Industry Annual Market Report Year Ending 2010
The U.S. wind energy industry grew by 15% in 2010 and provided 26% of all new electric generating 
capacity in the United States. With 5,116 MW added in 2010, U.S. wind installations now stand at 40,181 MW, enough to supply electricity for over 10 million homes. With the addition of projects in Delaware and Maryland, 38 states across the U.S. now have utility-scale wind turbines.
Top Five States, Total Installed End 2010
| State | Total Installed Capacity (MW) |
| Texas | 10,085 |
| Iowa | 3,675 |
| California | 3,177 |
| Minnesota | 2,192 |
| Washington | 2,104 |
Texas again installed the largest amount of new capacity, driving it past the 10,000-MW mark in total installations. New wind projects were installed in 32 states in 2010, demonstrating the geographic diversity of wind’s appeal.
Top Five States, Most Wind Capacity Additions in 2010
| State |
Capacity (MW) |
| Texas | 680 |
| Illinois | 498 |
| California | 455 |
| South Dakota | 396 |
| Minnesota | 396 |
2010 witnessed strong growth in tradition wind states like Texas and California, but also saw wind resource rich states like South Dakota and Idaho more than double their installed capacity.
Top Five States, Largest Percentage of Wind Generation 2010
| State |
% of Electricity from Wind |
| Iowa | 15.4% |
| North Dakota | 12.0% |
| Minnesota | 9.7% |
| South Dakota | 8.3% |
| Kansas | 7.1% |
There are now 11 states that produce more than 5% of their electricity from wind. Iowa is the first state to exceed 15% wind energy generation on an annual basis.
Top Five Largest U.S. Wind Power Projects
| Wind Farm | Size (MW) | Project Owner |
| 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 |
| Buffalo Gap, TX | 523 | AES |
Top Five “Managing Owners” of Wind Capacity, as of the end of 2010
| Project Owner | Owned MW |
| NextEra Energy Resources | 8,077 |
| Iberdrola Renewables | 4,301 |
| Horizon EDPR | 3,141 |
| MidAmerican & Pacificorp | 2,316 |
| E.ON Climate& Renewables | 1,920 |
Together, the top five companies own just over 49% of the installed wind capacity in the U.S. In 2010, 85% of new capacity additions were owned by independent power producers (IPPs). Utilities owned roughly 15% of new projects for the fifth consecutive year.
Top Five Utilities with the Most Wind Power on the System (MW), as of the end of 2010 (Power purchased or projects owned with the power going to the utility’s customers)
| Investor-Owned Utilities | Public Power Utilities | Rural Electric Cooperatives | |||
| Xcel Energy | 3,458 | CPS Energy | 859 | Basin Electric | 637 |
| MidAmerican (including PacifiCorp) | 3,129 | Los Angeles Department of Water & Power | 855 | Great River Energy | 469 |
| Southern California Edison | 2,058 | Austin Energy | 439 | Minnkota Power Coop | 259 |
| Pacific Gas & Electric | 1,395 | MSR Power Public Agency | 250 | Lower Colorado River Authority** | 306 |
| American Electric Power | 1,395 | Southern California Public Power Authority* | 233 | Associated Electric Coop | 306 |
*Does not include LADWP contracts
**LCRA is a state agency that provides wholesale power to consumer-owned utilities.
Top Five Manufacturers’ Share of Total U.S. Wind Power Fleet, as of the end of 2010
| Manufacturer | Market Share %, (Approximate Capacity) |
| GE Energy | 41.3% (16,500 MW) |
| Vestas | 17.3% (7,000 MW) |
| Siemens | 11.6% (4,500 MW) |
| Mitsubishi | 7.6% (3,000 MW) |
| Suzlon | 5.2% (2,000 MW) |
In 2005, there were five utility-scale turbine manufacturers with equipment installed in the year. By 2010, there were eighteen OEMs with twenty-six turbine platforms. The 1.5-MW platform turbine accounted for over 50% of 2010 capacity installations, but the average turbine size increased to 1.77-MW as the range of available utility-scale turbine sizes extend from 100-kW to 3.0-MW.
For more detailed rankings the AWEA U.S. Wind Industry Annual Market Report Year Ending 2010, a product of AWEA Data Services, is available to AWEA members for free or at heavy discounts by logging onto the AWEA Member Center at www.awea.org.
Non-members can purchase the report at the AWEA Store, aweastore.summitmg.com.
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