PETITION OF DUKE ENERGY INDIANA, LLC SEEKING APPROVAL TO REFLECT COSTS INCURRED FOR THE EDWARDSPORT INTEGRATED GASIFICATION COMBINED CYCLE GENERATING FACILITY PROPERTY, INCLUDING POST-IN-SERVICE ONGOING CAPITAL EXPENDITURES, IN ITS RATES AND TO REFLECT APPLICABLE RELATED COSTS AND CREDITS, INCLUDING OPERATING EXPENSES, DEPRECIATION, TAX CREDITS, RECONCILIATION, AND CERTAIN 2016 SETTLEMENT AGREEMENT PROVISIONS, THROUGH ITS STANDARD CONTRACT RIDER NO. 61 PURSUANT TO INDIANA CODE §§ 8-1-8.8-11 AND -12