The Romanian government reported Thursday it is using four barges to redirect water from the Danube River to ensure the continued operation of the Cernavoda nuclear power plant. Low water levels in the river, caused by a drought, have restricted the natural flow necessary to cool the facility's reactors.
The Danube River serves as the primary source of cooling water for the Cernavoda plant, which is Romania's only nuclear power station. High temperatures and lack of rainfall have led to a decrease in water levels across European waterways, affecting transportation and energy production in several regions.
According to Romanian authorities, workers are sinking the barges to create a temporary barrier that will funnel the remaining river current toward the plant’s intake pipes. The facility operates two reactors and provides a significant portion of the country's electricity. The government has not reported any immediate safety risks to the plant or the surrounding population.
The concrete daily change for residents would be most noticeable if the water levels fall below the threshold required for safe operation, which could trigger a controlled shutdown of the reactors. In such a scenario, the national grid would lose its most consistent source of carbon-free baseload power. This would occur during a period of high summer demand when residents are using cooling systems to cope with the same heatwave causing the drought.
The knock-on effects include potential disruptions to commercial shipping along the Danube, as the redirection of water and the placement of barges can alter the navigable channels for freight vessels. This sets a precedent for how the Romanian government manages critical infrastructure during extreme weather events. The immediate next step is the completion of the barge placement, though the government has not specified a deadline for when the water levels are expected to return to normal.