IN THE MATTER OF The Application of Utah Power & Light Company and PC/UP&L Merging Corp. (to be renamed PacifiCorp) for an Order Authorizing the Merger of Utah Power & Light Company and PacifiCorp into PC/UP&L Merging Corp. Authorizing the Issuance of Securities, Adoption of Tariffs and Transfer of Certificates of Public Convenience and Necessity and Authorities in Connection Therewith