If this were possible, we could probably power every major city in the U.S. for years, maybe even decades, without issue.
Discussion
I think we've only scratched the surface of what is possible.
Possible, but not practical - https://en.wikipedia.org/wiki/Project_PACER
But regular thermal fission is enough to maintain the world's standard of living if the better designs are built soon enough.
I'm a huge fanboi of https://en.wikipedia.org/wiki/CANDU_reactor