In collaboration with the international CITYOPT project, VTT Technical Research Centre of Finland has developed an energy planning tool for experts and an application for consumers. The tools have been piloted in Helsinki, Nice and Vienna, with promising results. Local energy costs were reduced by 15% and carbon dioxide emissions by 30% using the optimal planning feature of the tool for experts. Using the game-like tablet application, almost 80% of the households involved managed to reduce their electricity consumption during peak times.