Nuclear is still the safest, even including Chernobyl and Fukishima. An equivalent number of people die from solar and wind, independently.

https://ourworldindata.org/safest-sources-of-energy

This is a huge problem for humanity to solve. We're more afraid of acute horrors that are statistically insignificant than we are of diffuse, but statistically horrifying dangers.

Hydroelectric is the worst for catastrophic failure. See https://en.m.wikipedia.org/wiki/1975_Banqiao_Dam_failure

Nuclear reactors are extremely safe by comparison.

It depends on the reactor type. High pressure and plutonium fuel? Sure! Low pressure and natural uranium is much safer. Thorium and molten salt reactors may be better still.