VERIFIED PETITION OF INDIANA GAS COMPANY, INC. AND SOUTHERN INDIANA GAS AND ELECTRIC COMPANY D/B/A VECTREN ENERGY DELIVERY OF INDIANA, INC. FOR APPROVAL OF A CONSERVATION PROGRAM AND A CONSERVATION ADJUSTMENT THROUGH APPROVAL OF NEW TARIFF RIDERS AND ASSOCIATED TERMS AND CONDITIONS OF SERVICE UNDER IND. CODE ยง 8-1-2-42(a) |