Two Midwest-based companies have the most wind power capacity among U.S. regulated utilities. Measurements in megawatts.*
Xcel MidAmerican
Year of first wind farm: 1994 2004
Wind power capacity (end 2011): 4,057 3,767
Share of U.S. wind power capacity: 9% 8%
U.S. rank (by capacity): No. 1 No. 2
2012
Wind power additions (planned): 907 656
Expected end-year total: 4,964 4,423
Share contracted (expected): 93% 25%
Share owned (expected): 7% 75%
* A megawatt is 1 million watts.
Includes MidAmerican Energy Co. and PacifiCorp
Sources: Xcel, MidAmerican, American Wind Energy Association
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