Nuclear Re-entry: Von der Leyen Calls EU Atomic Exit a Mistake
The Commission president’s admission highlights a quiet pivot in how Brussels views nuclear power in the drive for clean energy.
By Katarzyna Wisniewska · Filed Sunday, 4 October 2026 · Last updated 04:05 CET
What happened
European Commission President Ursula von der Leyen has stated that the European Union made a mistake in phasing out nuclear power. The admission marks a notable shift in tone from the EU’s executive body, which has long navigated a fierce diplomatic divide between member states that embrace atomic power and those determined to abandon it. While energy choices ultimately remain a national right under EU treaties, the Commission’s political stance carries huge weight in shaping continental strategy, funding criteria, and regulatory oversight.
Why it matters
For European citizens and businesses, energy policy is a direct financial issue. The transition away from fossil fuels has left grids vulnerable to price volatility, hitting household electricity bills and eroding industrial competitiveness. Nuclear power offers steady, low-carbon baseline electricity that runs regardless of weather conditions. A shift in official Brussels sentiment signals to energy companies and investors that nuclear projects may find smoother regulatory backing and easier access to financing, which could ultimately support grid stability across the bloc.
The Brussels angle
Energy mix decisions in Brussels are notoriously fraught. The rules allow each capital to choose its own power sources, but the Commission sets the overarching climate targets, state-aid permissions, and green investment rules. France has spent years building coalitions to give nuclear power equal footing with renewables, while anti-nuclear capitals fought to restrict it. By calling the nuclear phase-out a mistake, von der Leyen is signaling that the Commission is moving closer to the pro-nuclear camp—a rare instance of the Berlaymont openly acknowledging that past political direction might have missed the mark.
What happens next
The political signal is expected to influence upcoming discussions on EU energy regulation, sustainable finance classifications, and state-aid approvals for power infrastructure. While the European Commission cannot compel any country to construct nuclear reactors, its strategic backing gives pro-nuclear capitals greater leverage in legislative negotiations within the Council of Ministers and the European Parliament. Observers will now look for whether this shift in language turns into legislative proposals favoring nuclear development.
Written from these sources
Facts are extracted from primary institutional material and written independently by The Gazette desk.
Correspondent, The Brussels Bubble · Bubble politics and manoeuvring
Katarzyna WisniewskaKatarzyna Wisniewska writes The Brussels Bubble: the rivalries, leaks, coalitions and diplomacy practised off the record in and around the institutions.
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