How their wind power numbers stack up

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

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