EDF- Philippe Marini) 20 EDF GROUP ACTIVITY AND SUSTAINABLE DEVELOPMENT REPORT 2010 BUSINESSES AND EXPERTISE GLOBAL ENERGY CHALLENGES Global energy challenges Breakdown of electrical energy sources worldwide in 2009 in % 4 Hydro plants 7 Other renewable sources (wind... Whether it is operating existing plants or participating in new build, the Group leverages all of its world renowned fossil-fired engineering expertise for the creation of new generation facilities, adaptation or renovation of existing plants, or the development of new technologies.