Hungary Shuts Down Only Nuclear Power Plant Due to Low Danube Water Levels

Paks Nuclear Power Plant

Coverage spread: 2 sources — 2 international

Lean ratings via AllSides / Media Bias-Fact-Check. How this works.

Where they agree

  • Hungary’s Paks nuclear plant, which supplies over 40% of the country’s electricity, is shutting down fully for the first time in its 44-year history.
    The shutdown is caused by record-low Danube River water levels, which the plant needs for reactor cooling.
    Prime Minister Peter Magyar announced the closure would begin Sunday and could last weeks, urging reduced electricity use, especially during evening peak hours.
    The Danube’s decline is linked to months of drought and repeated heat waves across Europe since May.

Where they differ

  • DW focuses more on the immediate government response, including possible mandatory power cuts, penalties for noncompliant large users, and the financial cost estimate from Tisza Party’s Mark Radnai.
    Al Jazeera provides more precise plant-specific river-level thresholds (minus 134cm and minus 144cm at Paks) versus DW’s Budapest-measured figures (23cm, down from a 33cm record).
    Al Jazeera broadens the story to Hungary’s wider drought impact, citing over 100 cities and villages under water restrictions and effects on shipping, tourism and agriculture, plus a direct link to climate change research from the World Weather Attribution group.
    DW includes Serbia’s reduced hydroelectric output as a regional consequence, a detail Al Jazeera omits in favor of noting Slovakia’s offer of help.

What happened

Hungary’s Prime Minister Peter Magyar announced late Saturday that the country’s sole nuclear power plant, Paks, would be fully shut down on Sunday for the first time in its 44-year history. The Soviet-built, four-reactor facility sits about 120 kilometers south of Budapest and draws cooling water directly from the Danube River. Record-low water levels left the plant unable to keep running.

According to Magyar, output at Paks had already been falling through the week: from a normal level of around 2,000 megawatts, it dropped to 965 megawatts on Friday and then to just 240 megawatts overnight before Sunday’s shutdown. One reactor unit was taken offline at 1:30 a.m. local time (2330 GMT) as the river kept dropping. Paks normally supplies more than 40% of Hungary’s electricity.

Hungary’s water authority measured the Danube at Budapest at 23 centimeters on Wednesday morning, already well below the previous record low of 33 centimeters set in 2018. Al Jazeera cites a different, plant-specific threshold: a river level of minus 134 centimeters at Paks itself triggers a full shutdown, with levels there expected to fall as low as minus 144 centimeters, compared with a prior record of minus 98 centimeters in 2018. The river, which flows from Germany to the Black Sea, has been sinking for months amid below-average rainfall and repeated heat waves since May.

What the government is doing about it

Magyar called the coming days “the most critical five days,” warning the plant could stay offline for weeks and that the power grid, public services and citizens would all feel the strain. He said companies, public institutions, local governments and households should cut or reschedule electricity use, especially during evening peak hours between 5 p.m. and 10 p.m., and stressed that households would be the last group hit by any restrictions.

Beyond the voluntary appeal, the government is pushing large energy users to pledge additional cuts on top of 240 megawatts already promised, with penalties threatened for those who don’t comply. A decree would let grid operator MAVIR force consumption cuts and temporarily disconnect large users if the situation worsens. A final decision on mandatory electricity restrictions was expected later Sunday.

Tisza Party Vice Chairman Mark Radnai estimated that replacing Paks’s output with imported electricity could cost Hungary between 120 billion and 240 billion forints, roughly $315 million to $630 million (€273 million to €546 million). Slovakia’s Prime Minister Robert Fico said his country was monitoring the situation and stood ready to help.

The wider drought picture

The Danube’s decline isn’t isolated to the Paks plant. Al Jazeera reports Hungary has placed more than 100 cities and villages under water-use restrictions, and the government has asked heavy water-consuming businesses to voluntarily cut back. The drought has also disrupted shipping, tourism, agriculture and industry in a country already dealing with years of sluggish economic growth. DW notes that in neighboring Serbia, two hydroelectric plants have also cut production because of low water levels.

Both outlets tie the low river levels to a broader pattern: Europe has faced successive heat waves since May, with the most severe one recorded in June. Scientists with the World Weather Attribution group, cited by Al Jazeera, point to human-caused climate change as the driver of these unprecedented temperatures.

Why this matters

Paks has run without a full shutdown for 44 years, and losing nearly half the country’s domestic electricity generation forces Hungary to lean heavily on imports at a moment when prices could spike, with estimated costs running into the hundreds of millions of dollars. The episode illustrates how a warming climate can directly threaten energy infrastructure that depends on river cooling water, a vulnerability shared by nuclear and hydroelectric plants across the region, as shown by Serbia’s reduced hydropower output. How long Paks stays offline, and how much strain households ultimately face, remains uncertain and depends on whether the Danube’s levels recover.

Sources

Featured photo: Cecilia, Lili & Krisztian from Kuala Lumpur, Malaysia via Wikimedia Commons (CC BY 2.0)

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