Maine Wind Power Company Sells to Mass. 

The second-largest utility in Massachusetts has agreed to buy electricity from three wind power companies.Those business include Blue Sky East in Maine.Not included, Massachusetts-based Cape Wind, the nation’s first offshore wind farm.The utility agreed in 2010 to a 15-year deal to sell half of its power going to the National Grid.The business is now looking for a buyer for the second half.Time is ticking, since Cape Wind has plans to build a large wind farm in Nantucket sound.