A low maximum price is a better measurement of what is good.

We had 6 consecutive weeks of country wide harsh winter temperatures this year. Suddenly the fact that electricity was almost free and occasionally negative spot price during summer was irrelevant.

You can cherry pick the numbers to show whatever you like.

Wikipedia has an article on the economics of nuclear power. To summarize: it’s expensive upfront. If you look at it from a pure commercial enterprise it’s not really worth it. If you look at it as decarbonizing the future it’s better.

Solar and wind is cheaper, but intermittent and it’s a question if we can wait for grid scale energy storage being viable before we cook ourselves.