It's not easy to switch suppliers. Harder than natgas even: https://apnews.com/article/russia-ukraine-france-global-trade-only-on-ap-business-c521f2248c823f69f0

It's not easy to switch suppliers. Harder than natgas even: https://apnews.com/article/russia-ukraine-france-global-trade-only-on-ap-business-c521f2248c823f69f0a677735a78e89d https://apnews.com/article/russia-ukraine-france-global-trad... Beyond the mere Uranium, power plants need specific fuel rods, and afaik only Russia is currently capable of manufacturing the fuel rods for the remaining old soviet bloc power plants in Eastern Europe.