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asmala | 2 years ago

Hydro is indeed 1-2 orders of magnitude worse than other renewables on a deaths per TWh basis, but still 2-25× safer than all fossil fuels. (Source: https://ourworldindata.org/grapher/death-rates-from-energy-p...)

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hn_throwaway_99|2 years ago

Even that statistic vastly overstates the risk of hydro. From elsewhere on the ourworldindata site:

> This rate is almost completely dominated by one event: the Banqiao Dam Failure in China in 1975. It killed approximately 171,000 people. Otherwise, hydropower was very safe, with a death rate of just 0.04 deaths per TWh – comparable to nuclear, solar, and wind.

The Banqiao Dam failure had much more to do the 1970s Chinese Communist Party incompetence and the Cultural Revolution than anything specific to water power.