XCEL ENERGY, MIDAMERICAN ENERGY HOLDINGS
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:19942004
Wind power capacity (end 2011):4,0573,767
Share of U.S. wind power capacity:9%8%
U.S. rank (by capacity):No. 1No. 2
2012
Wind power additions (planned):907656
Expected end-year total:4,9644,423
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