Franz Jürgen Säcker is Professor of Law and Executive Director of the Institute of Energy and Regulatory Law in Berlin, Germany. He is member of national and international arbitration courts.Lydia Scholz is Professor of Economic Law at the School of International Business of the University of Applied Sciences in Bremen, Germany.Thea Sveen is a research fellow at the European University Institute (EUI) in Florence, Italy and worked as a researcher at the Scandinavian Institute of Martime Law and at the Ecole Nationale d’Administration (ENA).

• Contents: Angus Johnston: The impact of the new EU Commission guidelines on State aid for environmental protection and energy on the promotion of renewable energies – Juliane Steffens: Articles 30 and 110 TFEU as Limitations to Member States’ Renewable Energy Promotion – Lydia Scholz: The dialogue between the principle of free movement of goods and the national law of renewable energies – Sirja-Leena Penttinen: The Essent Case - the one about free movement, economic justifications and the increasing role of the State – Kim Talus: Renewable Energy Disputes in the European Union: An Overview of Current Cases – Thea Sveen: The interaction between Article 192 and 194 TFEU: Renewable energy promotion with a predominant environmental purpose – Carsten König: How congestion management rules challenge the development of an integrated offshore electricity infrastructure in the North Sea.