China has been running a side-by-side experiment building both nuclear and solar. Here's one rendering of the result:

https://www.reddit.com/r/EconomyCharts/comments/1l5h5e2/sola...

Nuclear may be a big part of the future (assuming storage prices don't plummet) but it's not going to be the bulk of the power we ever receive. It'll be the 10% that stabilizes the grid and provides baseload, at most.