This is the third annual UK Power Giants: Generating Climate Change ranking report, and is a ranking assessment of the ‘big six’ UK electricity generators: Centrica; EDF Energy; E.ON UK; RWE npower; Scottish Power; and Scottish and Southern Energy (SSE)… Innovest has been commissioned by WWF-UK to assess and benchmark the six companies’ performances against a set of criteria focusing on actual practice, performance against regulatory standards, and coherence of carbon management and strategy… No companies were able to demonstrate high scores for all the relevant indicators. [final assessment ranks companies in the following order: Centrica, Scottish Power, E.ON UK, Scottish & Southern Energy, EDF Energy, RWE Power]