The three projects are the 201 MW Meridian Way wind farm in Kansas, the 103 MW Rattlesnake Road wind farm in Oregon, and the 201 MW Pioneer Prairie I wind farm in Iowa.

The US is currently the world’s largest producer of wind energy, with installed capacity of over 21,000 MW as of the end of September 2008.

EDPR’s parent company, Portugal's EDP bought Horizon from Goldman Sachs in July 2007 for $2.15bn,