Minnesota Statutes Utilities (Ch. 216-216H) § 216C.29. Subpoena power

The commissioner shall have the power, for the purposes of sections 216C.05 to 216C.30, to issue subpoenas for production of books, records, correspondence and other information and to require attendance of witnesses. The subpoenas may be served anywhere in the state by any person authorized to serve processes of courts of record. If a person does not comply with a subpoena, the commissioner may apply to the District Court of Ramsey County and the court shall compel obedience to the subpoena by a proper order. A person failing to obey the order is punishable by the court as for contempt.