[en] Three reports and their associated syntheses propose sheets of assessment of the level of activity generated on the French national energy policy respectively by the development of renewable and recovery energies, the development of transports contributing to energy transition, and the improvement of energy efficiency of residential buildings. As far as renewable and recovery energies are concerned, 15 sectors are addressed: electric power production (wind, hydro, photovoltaic), heat production for individuals (wood, heat pumps, thermodynamic boilers, thermal solar), collective heat (wood, heat network, geothermal, waste energy valorisation), bio-fuels, biogas, smart grids, renewable marine energies. As far as the transport sector is concerned, 9 sectors are addressed: rail infrastructures and equipment, infrastructures and equipment for urban road collective transports, development of urban bicycles, class A individual vehicles, electric vehicles, hybrid vehicles, trucks, light service vehicles, NGV buses. As far as the building sector is concerned, 15 sectors are addressed: insulation with opaque walls and replacement of windows and doors, renewal of heating and hot water production devices, high performance appliances, renewal of controlled mechanical venting devices, renewal of heating regulation devices, services related to energy efficiency