PETITION OF NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC FOR APPROVAL OF (1) A FUEL COST ADJUSTMENT TO BE APPLICABLE DURING THE BILLING CYCLES OF AUGUST, SEPTEMBER, AND OCTOBER 2019, PURSUANT TO IND. CODE § 8-1-2-42 AND CAUSE NO. 44688, AND (2) RATEMAKING TREATMENT FOR THE COSTS INCURRED UNDER WHOLESALE PURCHASE AND SALE AGREEMENTS FOR WIND ENERGY APPROVED IN CAUSE NO. 43393 AND FOR THE COSTS OF RECOVERABLE INTERRUPTIBLE CREDITS, PURSUANT TO IND. CODE § 8-1-2-42(d)