PETITION OF NORTHERN INDIANA PUBLIC SERVICE COMPANY (“PETITIONER”) FOR APPROVAL OF AND AUTHORITY FOR: (1) MODIFICATION TO ITS RATES AND CHARGES FOR GAS UTILITY SERVICE; (2) NEW SCHEDULES OF RATES AND CHARGES APPLICABLE THERETO; (3) REVISIONS TO ITS DEPRECIATION ACCRUAL RATES; (4) DEFERRAL OF ACCRUED DEPRECIATION EXPENSE; (5) DEFERRAL IN A BALANCING ACCOUNT OF OVER AND UNDER RECOVERIES OF PENSION AND OPEB EXPENSES; (6) CONTINUATION OF NIPSCO’S ENERGY EFFICIENCY PROGRAM WITH MODIFICATIONS; (7) IMPLEMENTATION OF A NEW LOW-INCOME PROGRAM; (8) CERTAIN RATEMAKING TREATMENTS FOR REVENUES AND EXPENSES RELATING TO SERVICES AND PROGRAMS OFFERED PURSUANT TO PETITIONER’S CUSTOMER CHOICE ALTERNATIVE REGULATORY PLAN; (9) TO THE EXTENT NECESSARY, GRANTING THE REQUESTED RELIEF AS AN ALTERNATIVE REGULATORY PLAN PURSUANT TO IND. CODE CHAPTER 8-1-2.5; (10) MODIFICATION OF PETITIONER’S GAS COST ADJUSTMENT PROCESS TO INCLUDE UNACCOUNTED FOR GAS AND THE GAS COST COMPONENT OF BAD DEBT EXPENSE; AND (11) VARIOUS CHANGES TO ITS TARIFF FOR GAS SERVICE INCLUDING IMPLEMENTING A STRAIGHT-FIXED VARIABLE RATE DESIGN, REMOVAL OF GAS COSTS FROM BASE RATES AND CHANGES TO ITS GENERAL TERMS AND CONDITIONS FOR SERVICE |