Danube Drought Forces Nuclear Shutdowns Across Eastern Europe

⚡ AI Executive Summary

Record low water levels in the Danube River are forcing multiple nuclear facilities across Eastern Europe to reduce or halt output, straining regional electricity supplies. Hungary is shutting down its Paks plant—which supplies over 40% of national demand—for the first time due to cooling water scarcity, while Romania has taken one reactor offline at Cernavoda and may follow with a second shutdown. Governments are calling on industries and citizens to cut consumption, and hydropower plants from Serbia to Slovakia are operating at a fraction of normal capacity. This cascade of supply disruptions reveals a critical vulnerability in Europe's energy infrastructure: thermal power plants' dependence on river cooling systems during extreme heat. With multiple nations competing for imported electricity and peak-hour prices climbing, the region faces a near-term supply crunch that underscores the urgency of diversifying away from water-intensive generation and building resilience into interconnected grids. The Danube situation is emblematic of how climate stress now poses direct threats to baseload generation—not just renewable variability.