"The contracts represent a good value for onshore wind resources for our customers," said NStar spokeswoman Caroline Allen
Though the prices on the recent deals weren't disclosed, a 10-year deal NStar has with TransCanada to buy power from a Maine wind farm is a flat 10.5 cents per kilowatt hour.

According to court filings, the roughly 29-megawatt Hoosac project, in Monroe, Mass., and Florida, Mass., is set to be running by July 2012, the 32-megawatt Blue Sky East wind farm in Eastbrook, Maine, is scheduled to be operating by May 2012, and the 48-megawatt Groton project in Groton, N.H., is scheduled to be operating by December 2012.