DULUTH, Minn.--(BUSINESS WIRE)--ALLETE, Inc. (NYSE: ALE) (the Company) today announced that it has reviewed the written order from the Minnesota Public Utilities Commission (MPUC) approving the company's acquisition by Canada Pension Plan Investment Board (CPP Investments) and Global Infrastructure Partners (GIP), two leading global investors in infrastructure and sustainable energy. About CPP Investments Canada Pension Plan Investment Board (CPP Investmentsâ"¢) is a professional investment management organ ...