Cernavoda reactors stay offline as Danube levels fall; floating plant cited for cleaner air

· Climate · Romania · Russia

Romania's Nuclearelectrica said the Cernavoda nuclear units remain shut down because of Danube water levels. Although the local river level has risen recently, current forecasts do not yet support a decision to restart the units, the company said. Cernavoda is Romania's sole nuclear plant and depends on the river for cooling water, making output vulnerable to drought and low flows. Separately, an environmental monitoring report for Russia's floating nuclear power plant suggests emissions have fallen almost 80% since it began supplying heating in the area in 2022. The two updates illustrate how nuclear generation is tied to local water conditions and how operators are measuring the air-quality effects of their plants.

Why it matters：Nuclear plants are increasingly exposed to drought and low river flows that can force outages, a climate risk that grid operators and utilities must factor into baseload planning.

Key points

  • Nuclearelectrica says forecasts do not yet justify restarting the units.
  • Cernavoda is Romania's only nuclear power plant and uses Danube water for cooling.
  • The Russian floating plant's monitoring report shows emissions down almost 80% since 2022 heating supply began.

Sources (original reporting)

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