Corporate Council on Africa Infrastructure Conference, Washington, DC, September 2006 / Presentation Smart Grid / IBM Global Intelligent Utility Network Conference, Raleigh, June 2010 / Presentation Energy Efficiency / China-US Energy Efficiency Forum, Beijing, May 2010 / Presentation Energy Efficiency / Alliance to Save Energy - EE Global Conference, Brussels, April 2011 / Presentation Energy Efficiency / ESG Acquisition / Press Release 
