PETITION OF SOUTHERN INDIANA GAS AND ELECTRIC COMPANY D/B/A VECTREN ENERGY DELIVERY OF INDIANA, INC. FOR APPROVAL OF CLEAN ENERGY SOLAR PROJECTS; DECLINATION OF JURISDICTION WITH RESPECT TO CONSTRUCTION OF THE PROJECTS PURSUANT TO IND. CODE § 8-1-2.5; AND ACCOUNTING AND RATEMAKING TREATMENT, INCLUDING TIMELY RECOVERY OF COSTS INCURRED DURING CONSTRUCTION AND OPERATION THROUGH A CLEAN ENERGY COST ADJUSTMENT PURSUANT TO IND. CODE § 8-1-8.8 |