1. Fraunhofer Institute for Systems and Innovation Research ISI, Breslauer Strasse 48, 76139 Karlsruhe, Germany
2. Chair of Energy Economics at the Technische Universität Dresden, Münchner Platz 3, 01069 Dresden, Germany
3. TEP Energy GmbH, Rotbuchstrasse 68, CH-8037 Zürich, Switzerland
4. TRT Trasporti e Territorio, Via Rutilia, 10/8, 20141 Milano, Italy
5. Faculty of Energy and Fuels at AGH-University of Science and Technology, Al Adama Mickiewicza 30, 30059 Krakow, Poland