The conference provided a platform for discussions on the challenges for deploying smart grids, be they technical, regulatory, financial or linked to public acceptance. The conference investigated how ICT can make our cities greener by exchanging best practices. It also touched upon the important issue of how to deliver transparent metrics around the positive contribution of ICT to solving our energy and climate problems. The conference was opened by Neelie Kroes, Vice-President of the European Commission, Commissioner responsible for the Digital Agenda for Europe and Günther Oettinger, Commissioner for Energy. Representatives of the Danish Presidency and the Covenant of Mayors spoke at the event, as well as stakeholders from HP, SAP, Orange Group, T&D Europe, Vattenfall, Deutsche Telekom, ETNO, ITU, BEUC, etc.