WINDSOR — Central Maine Power is nearing completion of a $1.4 billion power grid upgrade.
Workers on Monday are going to set a 101-foot tall transmission structure, which represents the last major piece of the Maine Power Reliability Project.
Construction began in 2010 on the five-year project – the first major update of Maine’s power grid in more than 40 years.
The project has doubled the capacity of the grid’s backbone in Maine with a new 345,000-volt transmission line from Orrington to Eliot, near the New Hampshire border. Also included are five 345,000-volt substations. All told, there are 440 miles of new transmission lines.
Iberdrola paid for the improvements – about half with cash and half through borrowing. The money will be recouped from New England electric ratepayers.
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