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Réseau Sortir du nucléaire

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French federation of anti-nuclear groups campaigning for a phase-out of nuclear power.

Last updated August 22, 2026

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Overview

Réseau Sortir du nucléaire is a French federation of anti-nuclear organizations and activist groups. Its name, commonly shortened to Sortir du nucléaire, means “Nuclear phase-out.” The network was established in 1997, following the mobilization that helped oppose the Superphénix fast-breeder reactor. It developed as a coordinating platform for organizations and campaigners critical of nuclear power, rather than as a commercial company or conventional membership brand. The federation’s central position is opposition to the use of nuclear energy and support for a transition away from nuclear power. Its campaigning has addressed nuclear reactor construction, reactor safety, radioactive waste, the long-term consequences of nuclear accidents, and the political and economic choices associated with France’s nuclear-dependent electricity system. The organization has also linked nuclear power to broader questions concerning energy policy, public participation, environmental protection, and the development of alternative energy sources. Its public activity has included demonstrations, political advocacy, information campaigns, publishing, and coordination among local and national environmental groups. A prominent example came on 17 March 2007, when the network organized simultaneous protests in Rennes, Lyon, Toulouse, Lille, and Strasbourg against construction of European Pressurized Reactor plants. Organizers reported that more than 60,000 people took part nationally, while contemporary reporting and police estimates differed regarding the size of individual demonstrations. The Rennes protest, located relatively close to the Flamanville EPR construction site, was reported as the largest of the events. The 2007 protests took place shortly before France’s presidential election and were intended to keep nuclear policy visible during the campaign. They illustrated the network’s approach of combining street demonstrations with public and electoral pressure. The federation has regularly opposed the expansion or continuation of nuclear power in France and has also presented its concerns in an international context, reflecting the cross-border implications of reactor accidents, radioactive contamination, and nuclear waste. In September 2007, Réseau Sortir du nucléaire declined to participate in the French government’s Grenelle de l’environnement discussions. The organization’s stated reason was that nuclear energy had been excluded from the permitted discussions by President Nicolas Sarkozy. This decision reflected the federation’s view that environmental negotiations could not be meaningful if the country’s nuclear policy was excluded from the agenda. Réseau Sortir du nucléaire is best understood as an advocacy federation and campaign network. It does not have a product portfolio, retail presence, publicly traded shares, or a conventional corporate parent. Its visibility comes from its campaigns, public statements, mobilization of affiliated groups, and opposition to specific nuclear projects and government energy policies. The supplied reference material identifies its French website as its principal public information channel, but does not provide detailed information about its current governance, membership size, finances, or present office location.

History

Réseau Sortir du nucléaire emerged from the French anti-nuclear movement in 1997. Its formation followed the successful campaign against Superphénix, a fast-breeder reactor project that had become a major focus of opposition. The new federation provided a structure through which local associations and environmental organizations could coordinate their positions and actions against nuclear power. The federation’s activity has centered on the argument that France should move away from nuclear energy. Its campaigns have addressed both existing nuclear infrastructure and proposed new projects, including questions of reactor safety, radioactive waste, environmental risk, and the political choices that shape national energy policy. The organization’s role has been primarily civic and political: it has mobilized supporters, organized public demonstrations, disseminated information, and sought to influence public debate and elections. One of its most visible actions took place on 17 March 2007, when it coordinated anti-EPR demonstrations in five French cities: Rennes, Lyon, Toulouse, Lille, and Strasbourg. The protests were directed at construction of European Pressurized Reactor plants. Participation estimates varied, but the organizers reported more than 60,000 people nationally. Rennes hosted the largest reported gathering and was geographically significant because of its proximity to the Flamanville site, where preliminary EPR construction was under way. The demonstrations were held shortly before France’s two-round presidential election and were intended to ensure that nuclear power remained an issue for candidates and voters. Later in 2007, the federation took a position on the government’s Grenelle de l’environnement process. In September it declined to participate because President Nicolas Sarkozy had excluded nuclear energy from the discussions. The refusal demonstrated the organization’s preference for maintaining a clear anti-nuclear position rather than joining an environmental negotiation in which, in its view, a central energy issue could not be examined. Réseau Sortir du nucléaire has also framed nuclear power as an international concern. Reactor accidents, radioactive contamination, waste management, and the consequences of nuclear policy extend beyond national borders, while the French nuclear system has wider implications for European energy debates. Nevertheless, France remains the federation’s principal field of activity. The available reference material does not document a complete chronology of the federation’s later campaigns, its current leadership, its membership structure, or its financial position. It does establish the organization as a continuing federation of anti-nuclear groups with a public website and a recurring role in French debates over nuclear energy. It should therefore be classified as an advocacy network rather than a commercial brand, product manufacturer, or corporate group.

  • 2007

    National anti-EPR demonstrations

    [1]

    On 17 March, the network organized simultaneous protests against EPR construction in Rennes, Lyon, Toulouse, Lille, and Strasbourg.

  • 2007

    Withdrawal from Grenelle environmental discussions

    [1]

    The federation declined to participate in the government’s Grenelle de l’environnement talks because nuclear energy was excluded from the agenda.

  • 1997

    Federation established

    [1]

    Réseau Sortir du nucléaire was founded following the anti-Superphénix mobilization and became a coordinating federation for French anti-nuclear groups.

Products and positioning

A French environmental advocacy federation positioned against nuclear power and in favor of a nuclear phase-out, using collective organizing, public demonstrations, political advocacy, and information campaigns.

Marketing campaigns

  • 2007Stop-EPR demonstrations

    France

    The federation coordinated simultaneous demonstrations in five French cities to oppose construction of European Pressurized Reactor plants. The campaign sought to bring nuclear policy into public debate before the 2007 presidential election.

    Outcome. The demonstrations generated substantial public attendance and media attention, although participation figures varied by source. The campaign did not immediately end EPR construction.

Brand decisions

  • 2007

    Declined participation in Grenelle de l’environnementStrategy

    Background

    The French government convened environmental discussions, but nuclear energy was excluded from the subjects permitted for discussion by President Nicolas Sarkozy.

    Action taken

    Réseau Sortir du nucléaire chose not to participate in the talks rather than endorse a process that omitted nuclear policy.

    Aftermath

    The decision reinforced the federation’s uncompromising anti-nuclear positioning and kept attention on the exclusion of nuclear energy from the environmental negotiations.

Recent events

  • 2007

    Coordinated protests oppose EPR construction in five French cities[1]

    Campaign · Other

    Réseau Sortir du nucléaire organized simultaneous demonstrations in Rennes, Lyon, Toulouse, Lille, and Strasbourg on 17 March 2007 against construction of European Pressurized Reactor plants. Organizers claimed more than 60,000 participants nationwide, while police and other reporting provided lower or differing estimates for particular events. The mobilization occurred shortly before the 2007 French presidential election.

  • 2007

    Organization declines participation in Grenelle environmental talks[1]

    Regulation

    In September 2007, the federation refused to take part in the French government’s Grenelle de l’environnement discussions because nuclear energy had been excluded from the subjects under discussion.

Sources2 sources

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