R.C. (Ruven) Fleming, Dr
Ruven Fleming is Associate Professor of Energy Law at the Faculty of Law of the University of Groningen. He serves as Scientific Coordinator of the Groningen Centre of Energy Law and Sustainability (GCELS), where he contributes to the Centre`s research strategy and academic development. Since 2025 he has led the Centre`s Hydrogen Research Line, coordinating research on the legal and regulatory framework for hydrogen and related aspects of the energy transition.
His research focuses on European energy law, hydrogen regulation, offshore energy, climate law, energy infrastructure and the legal governance of the energy transition. His work examines the interation between public regulation, markest and technological innovation in support of a sustainable, secure and competitive European energy system.
He has published widely in the field of energy law. His publications include books and edited volumes with Oxford University Press, Cambridge University Press and many other publishing companies, as well as articles in the most renowned international and national energy and climate law journals and wrote numerous book-chapter. His research has contributed to the development of hydrogen law as an emerging field within European and International energy law.
His research has been supported through competitive national and European research funding from the Dutch Science Organisation (NWO) and the European Commission. He has played leading roles in externally funded collaborative research projects as Work Package Leader, consortium partner, working with universities, governments, European institutions and industry. Information on current and completed research projects is available under the Projects section of this profile.
As Scientific Coordinator of GCELS and Lead of the Hydrogen Research Line, he contributes to the development of the Centre`s research programme and supports the supervision of doctoral researchers and early-career scholars. He supervises PhD research in the fields of energy law, hydrogen regulation and related areas and is actively involved in the development of collaborative and interdisciplinary rsearch initiatives.
Alongside his appointment at the University of Groningen, he is Adjunct Professor at IE Law School Madrid, Spain. He contributes to international networks, including the North Sea Energy Law Partnership, serves on editorial boards and scientifc advisory bodies and is a member of the IUCN World Commission on Environmental Law. He regularly advises European Instituitions, national governments and parliaments as well as international organisations on matters relating to energy law, hydrogen regulation, Energy Investment and Trade Law and the legal framework for the energy transition. He is a regular invited speaker at academic and professional conferences.