It's a good problem to have but it is still a "problem." Nuclear plants have huge fixed costs in security (due to international treaties and so on), even if the

It's a good problem to have but it is still a "problem." Nuclear plants have huge fixed costs in security (due to international treaties and so on), even if the reactor never runs, let alone the cost of operations and maintenance, so if you overbuild, it drastically increases your energy prices due to the ratio of fixed costs to production - unless you can sell enough electricity to other countries to make it economical for your own population.