Have you considered the costs to contain and clean up Fukushima? The financial costs and loss of lands for decades is a heavy hit for a country to take.
Japan passed a special tax to pay for the disaster (https://www.reuters.com/article/us-japan-fukushima-anniversa... ).
From wikipedia (https://en.wikipedia.org/wiki/Fukushima_disaster_cleanup) >In 2016, Japan's Ministry of Economy, Trade and Industry estimated the total cost of dealing with the Fukushima disaster at ¥21.5 trillion (US$187 billion),...
The Soviet Union, in part, collapsed from Chernobyl.
There is a huge fat tail risk on nuclear power. Roughly and a bit sadistically speaking, coal kills people predictably at a "death-from-car-crashes" rate. There is no fat-tail, you just have a high rate of cancer,etc. It is like letting people driving cars and accepting the 40,000/year deaths from accidents as the price.