Vectren Corporation, headquartered in Evansville, Indiana, is an energy and applied technology holding company.

Vectren's energy delivery subsidiaries provide gas and/or electricity to customers in adjoining service territories that cover nearly two-thirds of Indiana and west central Ohio. Vectren's gas distribution group provides gas to customers while the electric distribution group services customers. Vectren is also a low-cost provider of wholesale power in southwestern Indiana.