IONIA, MI--(Marketwired - Oct 22, 2014) - Energy Systems Group (ESG), a leading energy services provider and wholly owned subsidiary of Vectren Corporation (NYSE: VVC), has signed a $34.6 million contract for Professional Design/Construction Consultant Services with the State of Michigan, Department of Technology, Management and Budget for the implementation of comprehensive energy conservation measures and infrastructure improvements at the Michigan Department of Corrections (MDOC) Ionia Complex. 

Energy Systems Group will implement energy efficiency and facility upgrades with guaranteed energy savings, based on detailed technical energy audits of four MDOC facilities and one central power plant within the Ionia Complex, including the Richard A. Handlon Correctional Facility, Ionia Correctional Facility, Bellamy Creek Correctional Facility, Michigan Reformatory, and the Southern Region (Ionia Hub) Central Power Plant. 

"This is a great project that will further advance energy efficiency, building modernization, and sustainability in the State of Michigan," said Greg Collins, ESG President.

This contract marks ESG's second project for the Michigan Department of Corrections. In 2012, ESG completed a $12.9 million project that included energy infrastructure improvements, lighting retrofits, heating and cooling system upgrades, and water conservation measures at the Parnall Correctional Facility in Jackson.

Energy Systems Group (ESG), a wholly owned subsidiary of Vectren Corporation (NYSE: VVC), is a leading energy services provider that specializes in energy efficiency, sustainability, and infrastructure improvement solutions in the government, education, healthcare, commercial, and industrial sectors. ESG also offers a full range of sustainable infrastructure solutions including waste-to-energy, distributed generation, and renewable energy. To learn more about ESG, visit

Contact Information:

For more information, contact
Meram El Ramahi
Director of Marketing and Communications
Tel: (812) 492-3734