Application of Northern States Power Co.

OPINION

FOLEY, Judge.

We are called upon to review an order by respondent Minnesota Public Utilities Commission which denied reconsideration of a decision in a general rate case filed by Northern States Power Company. The Commission refused to reopen the rate case to allow testimony on a cost study from a prior proceeding upon which the Commission had relied but which was never made a part of the record in the rate case. We reverse and remand.

FACTS

Northern States Power Company is an electric utility subject to regulation by the Minnesota Public Utilities Commission. NSP owns three nuclear…