No, it's likely due to hydro power. Hydro has had several large scale accidents killing and displacing hundreds of thousands of people, such as the https://en.w

No, it's likely due to hydro power. Hydro has had several large scale accidents killing and displacing hundreds of thousands of people, such as the https://en.wikipedia.org/wiki/Banqiao_Dam https://en.wikipedia.org/wiki/Banqiao_Dam in China. Coal kills slowly but is the power source that's killed most people over time. Nuclear has killed the fewest by far.