Central Maine Power spokesman John Carroll looks over a 572,000-pound electrical “autotransformer” that was shipped from Taiwan and delivered Saturday to Merrill’s Marine Terminal in Portland. On Monday, the 37-foot-long unit was placed on a special 18-axle rail car that will carry it to Leeds, and from there it will be trucked seven miles to a substation in Lewiston.
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Shawn Patrick Ouellette / Staff Photographer
The new unit is one of four big autotransformers being installed as part of CMP’s $1.4 billion transmission line upgrade. It will step down voltage from 345,000 volts to 115,000 volts and serve customers from Franklin to Sagadahoc counties. One new unit is already in place in Benton. The others will be located in Windsor and Kennebunk.
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