[en] A first set of article addresses the future of the photovoltaic sector beyond the decrease of module costs with notably a discussion of PV system economics and opportunities for PV policies in the case of the non-module sector of residential PV systems in France, and an overview of issues related to self-consumption. Then, an article proposes an economic approach to the management of calendars of deep underground deposit of radioactive wastes. An interview with the new Chief Nuclear Officer of the Nuclear Energy Agency addresses the challenges and perspectives faced by this agency. An article comments the content of the annual report made by the French Court of auditors which addressed issues and questions related to the maintenance of nuclear power plants. Various workshops, seminars and conferences (notably a workshop on energy transition held in Saclay and a seminar about hydrogen-related perspectives held in Lyons), and recent publications are then presented