In 2020, nuclear energy accounted for 70.6 percent of France's total energy production what is stunning, if you take into account its one of the G7 countries:
It gets 70% of its electricity from nuclear, but electricity is only a minority of the energy we use, so France still gets most of its energy from fossil fuels:
https://ourworldindata.org/grapher/fossil-fuels-share-energy...