Ast, T; Cantwell, J; DiBara, M; Hatcher, C; Turgeon, J; Wizniak, M.  (2008) Benchmarking Wastewater Facility Energy Performance Using ENERGY STAR® Portfolio Manager, Consortium for Energy Efficiency, Boston, MA

AWWARF (2007) Energy Index Development for Benchmarking Water and Wastewater Utilities, American Water Works Research Foundation, Steven W. Carlson and Adam Walburger, CDH Energy Corp., Evansville, WI.

Burton (1996) Best Practices for Energy Management, American Water Works Association Research Foundation. John Jacobs, Thomas Kerestes and W.F. Riddle, EMA, Inc. St. Paul, MN

Dimitriou, M. (2007) Water and Energy: The Challenge We Are Meeting, WaterWorld, March 2007, PennWell Corporation, Tulsa, OK

EPRI 2000, Managing the 21st Century: Water and Sustainability – Electricity Use, Electric Power Research Institute. Palo Alto, CA

Focus on Energy (2006) Water & Wastewater Industry Energy Best Practice Guidebook. Focus on Energy, Madison, WI

Jones, T; Lampman, G.; Cantwell, J. (2007) A National Program Initiative to Support Energy Savings in the Municipal Wastewater Sector, Consortium for Energy Efficiency, Boston, MA

US EPA (2008) EPA’s ENERGY STAR Portfolio Manager (website) www.energystar.gov/waterwastewater.

WEF (1997) Energy Conservation in Wastewater Treatment Facilities: A Manual of Practice, Water Environment Federation, Energy Conservation Task Force. Alexandria, VA