DEDHAM, Mass., Feb. 14, 2018 /PRNewswire/ — Atlantic Power Corporation (NYSE: AT) (TSX: ATP) (“Atlantic Power” or the “Company”) issued a redemption notice on February 2, 2018 to redeem, on March 7, 2018, the aggregate principal amount of Cdn$56,240,906 of the Cdn$80,978,000 of its then…