Romania detonates Danube riverbed rock to redirect cooling water to Cernavoda nuclear reactor as drought threatens shutdown
Romanian military engineers blasted a rock outcrop on the Danube riverbed on August 3 to divert more river flow to the Cernavoda nuclear power plant, Romania's only operating reactor; engineers also plan to sink ships to obstruct a competing channel; authorities called the dual operation unprecedented
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Summary
Romanian military engineers detonated a rock outcrop on the Danube on August 3, diverting drought-reduced river flow to the Cernavoda nuclear power plant, Romania's only operating reactor. Engineers also plan to sink ships to block a competing channel, maximising water volume reaching the plant's cooling system. The Danube had fallen below the threshold needed for sustained reactor cooling. Romanian authorities called the two-pronged operation unprecedented.
Why it matters
The Cernavoda plant produces roughly 18% of Romania's electricity. A forced shutdown during the current European heatwave would strain regional grids already tightened by 多瑙河干旱加深，匈牙利帕克斯核电站产出降至25%，预计本周末完全停机's simultaneous Paks-1 closure, driven by the same Danube drought. The operations illustrate how water scarcity is becoming a hard constraint on European baseload nuclear power.
What to watch
- Whether redirected Danube flow is sufficient to maintain reactor cooling through August
- Romanian energy ministry updates on plant output and any partial shutdown decisions
- European Commission monitoring of Danube low-water emergency measures across Romania, Hungary and Bulgaria