Section 196.39 - Change, amendment and rescission of orders; reopening cases(1) The commission at any time, upon notice to the public utility and after opportunity to be heard, may rescind, alter or amend any order fixing rates, tolls, charges or schedules, or any other order made by the commission, and may reopen any case following the issuance of an order in the case, for any reason.(2) An interested party may request the reopening of a case under s. 227.49.(3) Any order rescinding, altering, amending or reopening a prior order shall have the same effect as an original order.(4) Within 30 days after service of an order, the commission may correct an error or omission in the order related to transcription, typing or calculation without hearing if the correction does not alter the intended effect of the order.(5) This section does not apply to an order issued under s. 196.371.1983 a. 53, 144, 538; 1997 a. 204; 2005 a. 7. The PSC cannot order a change in rates by order, without notice and hearing, on the ground that the order is only a clarification of an earlier order. Mid-Plains Telephone, Inc. v. PSC 56 Wis. 2d 780, 202 N.W.2d 907 (1973).