China has the newest plants in the world: https://www.iea.org/data-and-statistics/charts/age-profile-of-nuclear-power-capacity-in-selected-regions-2019 https://

China has the newest plants in the world: https://www.iea.org/data-and-statistics/charts/age-profile-of-nuclear-power-capacity-in-selected-regions-2019 https://www.iea.org/data-and-statistics/charts/age-profile-o... We don't know how they'll perform as they age. If we calculated quality as you suggest, they would probably win.. but we would expect brand new plants to have fewer issues than 30 year old plants.