• Rivalarrival
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    1 day ago

    steam cools back to water

    That one. The most common methods of condensing that steam rely on large bodies of water acting as heat sinks. Water in those large reservoirs is lost to evaporation, which is exacerbated by the additional heat.

    The water in that reservoir must be reserved for the nuclear plant; a drought that drains the reservoir will knock the plant offline.

    Air-cooled condensers are possible, but at significantly reduced efficiency, especially in already hot environments.