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Russia-Ukraine War 2026
9JUN

Rosatom Turns on IAEA as ZNPP Hits Day 60

3 min read
11:54UTC

Rosatom chief Alexey Likhachev accused the IAEA Secretariat on Sunday 17 May of ignoring Ukrainian strikes on Zaporizhzhia, just as the plant approached 60 days running on its single remaining backup external power line.

ConflictDeveloping
Key takeaway

Likhachev attacked the one asset Grossi cannot replace: the neutral-broker credibility the ZNPP repair track depends on.

Rosatom chief Alexey Likhachev issued a statement on 17 May accusing the International Atomic Energy Agency (IAEA, the UN nuclear watchdog) Secretariat of 'effectively ignoring daily Ukrainian attacks' on the Zaporizhzhia Nuclear Power Plant (ZNPP, the largest nuclear plant in Europe and under Russian occupation since March 2022) 1. On Saturday 23 May the plant passes day 60 running on its single remaining backup external power line, Ferosplavna-1, since the main feeder Dniprovska went down on 24 March .

IAEA Update 349, published 7 May, recorded a drone strike on the External Radiation Control Laboratory on 3 May that destroyed the meteorological equipment used for real-time nuclear emergency monitoring 2. Director General Rafael Grossi said the agency 'cannot afford for the next damage to occur on essential nuclear safety equipment' and is still negotiating a sixth local ceasefire for repairs.

Likhachev's intervention attacks the asset Grossi cannot replace. IAEA's leverage at ZNPP runs through Grossi's personal credibility as a neutral broker; once the host state's nuclear corporation publicly accuses the watchdog of bias, that broker role narrows fast. The Rosatom posture also runs in parallel to Rostekhnadzor's 10-year ZNPP operating certificates issued earlier in the year , which together signal Moscow will not return administrative control of the plant under any negotiated outcome.

Three total power-loss events have been recorded at the site since March . The plant has been in cold shutdown since September 2022; the consequence of any further line loss is bounded by emergency diesel runs, none of which has yet exceeded 90 minutes . A fourth total power loss with diesel failure would push the plant into uncharted territory in under two hours. Day 60 lands on Saturday 23 May with no sixth repair ceasefire agreed and the diplomatic track on the wrong end of a Rosatom broadside.

Deep Analysis

In plain English

The Zaporizhzhia nuclear plant in Ukraine is the largest in Europe. Russia has occupied it since March 2022. The plant is shut down but still needs electricity to cool its fuel and run safety systems. For 60 days it has been running on a single backup power line, like a hospital on a generator. The international nuclear watchdog, the IAEA, has been trying to broker a ceasefire around the plant so repairs can be made. On 17 May, the head of Russia's state nuclear company publicly accused the IAEA of ignoring Ukrainian drone attacks on the plant. That accusation undermines the IAEA's ability to act as a neutral referee. A fourth total power cut, combined with backup generator failure, would leave the fuel pools without cooling within two hours. Neither the IAEA, Rosatom, nor Ukraine's pre-war operator has published a publicly agreed emergency protocol for that scenario at ZNPP's scale.

What could happen next?
  • Risk

    Likhachev's intervention narrows Grossi's ability to broker a sixth repair ceasefire by making any IAEA-endorsed agreement look like political capitulation to Russian framing for non-Western Board members.

  • Risk

    A fourth total power-loss event at ZNPP with diesel failure would require cooling by emergency means within two hours; the plant has no operational protocol for that scenario that has been publicly agreed between IAEA and either occupying or pre-war Ukrainian operators.

First Reported In

Update #17 · Istanbul talks, refineries dark, deficit overruns

Mediazona· 22 May 2026
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