Font Size: A squirrel caused thousands of power outages and school closings in South Portland, Maine and other parts of the state Thursday, the Portland Press Herald reported. To our South Portland customers: we have experienced an outage at our nearby substation Thursday morning and are working to restore as quickly as possible. Moving in a mobile substation for back-up. pic.twitter.com/zfdUAUVYCX Central Maine Power Co. finally restored the power of about 6,700 customers in South Portland, 200 customers in Cape Elizabeth and 1,500 customers in Portland after a squirrel got into a South Portland substation, the Portland Press Herald reported. The power outages caused public schools in South Portland to close for the day, the outlet reported.