[en] After having recalled the necessity to develop a low-carbon economy (according to the Paris COP21), and the results of some scenarios published by the IPCC which outlined the need to develop energy efficiency and energy sobriety, this report more particularly focuses on this last aspect. It first outlines that energy sobriety is the poor but unavoidable cousin of energy transition (developed renewable energies and energy efficiency do not make the consumption decrease). It proposes an overview of the present situation of energy sobriety (in housing, in daily transports, at work, and in daily leisure), of incentive tools, and of the role of local communities. It discusses how to change scale beyond present practices of sobriety: favouring awareness and sober behaviours, favouring education to energy transition, addressing food, material, mobility and technological sobriety. It finally sheds a light on ways to present sobriety

[en] This publication by a think tank specialised in social and solidarity economy first outlines that energy transition means a transition from the present energy model to a new model based on three pillars: a drastic reduction of energy consumption through sobriety (energy saving, struggle against wastage), an improvement of energy efficiency, and an energy mix based on renewable and sustainable resources. A first part proposes a discussion of what 'citizen' energy transition can be: general framework of energy transition, pioneering examples in Europe, citizen empowerment, importance of a decentralised model which is anchored in territories, general interest as a priority. Each of these issues and aspects is illustrated by examples. Then, as this evolution towards a citizen-based model requires a change of scale, the authors discuss how to involve public authorities and to adapt regulation, how to develop financing tools, how to support the emergence and development of projects, and how to be part of international dynamics. The author then discuss what their think tank can do to accelerate energy transition. Proposals made in the different chapters are then summarized