Includes bibliographical references.

Preface / Franz Jürgen Säcker, Lydia Scholz, Thea Sveen -- Introduction / Lydia Scholz, Thea Sveen -- The impact of the new EU commission guidelines on state aid for environmental protection and energy on the promotion of renewable energies / Angus Johnston -- Articles 30 and 110 TFEU as limitations to member states' renewable energy promotion / Juliane Steffens -- The dialogue between the principle of free movement of goods and the national law of renewable energies / Lydia Scholz -- The Essent case : the one about free movement, economic justifications and the increasing role of the state / Sirja-Leena Penttinen -- Renewable energy disputes in the European Union : an overview of current cases / Kim Talus -- The interaction between article 192 and 194 TFEU : renewable energy promotion with a predominant environmental purpose / Thea Sveen -- How congestion management rules challenge the development of an integrated offshore electricity infrastructure in the North Sea / Carsten König -- Seminar conclusions / Lydia Scholz, Thea Sveen.