Energy is not only a question of techniques and uses, but also of rhythms. This is what geographer Gordon Walker, a professor at the Lancaster Environment Center, argues by taking into account social rhythms as well as bodily and cosmological rhythms. These rhythms have been directly impacted by what he calls "techno-energies", i.e. fossil fuels exploited on a large scale since the start of the industrial revolution. How can reading Energy and Rhythm. Rhythmanalysis for a Low Carbon Future, published in 2021, shed light on the path towards a more resilient socio-technical systems in the light of the ecological and climate crises ?