The US fleet was at 93% capacity factor in 2023. https://www.nei.org/resources/statistics/us-nuclear-generating-statistics https://www.nei.org/resources/statis

The US fleet was at 93% capacity factor in 2023. https://www.nei.org/resources/statistics/us-nuclear-generating-statistics https://www.nei.org/resources/statistics/us-nuclear-generati... As for France's capacity factor, that has a lot to do with the presence of intermittents on the continental grid, combined with the EU's Renewable Energy Directive making France liable to pay fines if they use nuclear power in preference to wind/solar.