This fairly thorough analysis comes up with a higher estimate of around 300-500 [1]. Of course, deaths per unit of energy is not the only meaningful metric, and

This fairly thorough analysis comes up with a higher estimate of around 300-500 [1]. Of course, deaths per unit of energy is not the only meaningful metric, and it ignores the environmental impact that you mention. But have you considered the environmental impact of using fossil fuels for energy? 1: https://ourworldindata.org/what-was-the-death-toll-from-chernobyl-and-fukushima https://ourworldindata.org/what-was-the-death-toll-from-cher...