Ameresco Enertech was the former LG&E Enertech, a subsidiary of LG&E Energy Corporation. Enertech was acquired by Ameresco in 2003. At Ameresco Enertech, the focus is primary education, higher education, industrial, and commercial facilities within Tennessee and Kentucky that operate energy-intensive facilities. A leader in providing energy conservation services, Ameresco Enertech holds a statewide IDIQ contracts with the Tennessee Board of Regents.