alt Hacker Newsit's much much more expensive, people like to repeat the line that solar is the cheapest form of energy while hand-waving away batteries and grid upgrades required. I did the napkin math a while back but a battery bank for 10's of thousands of homes for 48 hours costed as much (more?) than just building a nuclear power plant.
The Australian scientific body, the CSIRO, did an extensive report on the full life costs of various energy strategies and concluded that nuclear made little to no economic sense in Australia.
Perhaps had they used a napkin they would have agreed with you.