VERIFIED PETITION OF DUKE ENERGY INDIANA, LLC FOR SPECIAL CONTRACT AUTHORITY TO INCREASE ITS RATES AND CHARGES FOR STEAM SERVICE TO INTERNATIONAL PAPER COMPANY UNDER THE AGREEMENT FOR HIGH PRESSURE STEAM SERVICE, DATED JUNE 1, 1974, AS SUPPLEMENTED AND AMENDED, AND TO MAKE OTHER REVISIONS TO SUCH SUPPLEMENTED AND AMENDED AGREEMENT PURSUANT TO IND. CODE §§ 8-1-2-24 AND -25