Vectren Corporation is an energy holding Company. The Company segregates its regulated operations into a Gas Utility Services operating segment and an Electric Utility Services operating segment. The Company, through Vectren Enterprises, Inc., is involved in nonutility activities in three primary business areas: Infrastructure Services, Energy Services, and Coal Mining. Infrastructure Services operates under two types of contracts, blanket contracts and fixed price contracts. In energy services, performance-based energy contracting operations and sustainable infrastructure projects are performed through Energy Systems Group, LLC (ESG). ESG assists hospitals, governmental facilities, and other private institutions to reduce energy and maintenance costs by upgrading their facilities with energy-efficient equipment. The Coal Mining group owns coal mines and sells coal to the Company�s utility operations and to other third parties through its wholly owned subsidiary, Vectren Fuels, Inc.