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Swiss Nuclear Waste Facility Plans Move Forward

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Nagra Submits Application for Radioactive Waste Disposal

Switzerland’s National Cooperative for the Disposal of Radioactive Waste (Nagra) has taken a critical step in its effort to safely manage nuclear waste. On November 19, Nagra submitted a comprehensive application to the Swiss Federal Office of Energy seeking approval for the construction of a deep geological repository and a used nuclear fuel encapsulation plant.

Selected Sites for Long-Term Storage

After a 14-year evaluation process, Nagra identified Nördlich Lägern in northern Switzerland as the optimal location for the deep geological repository. The encapsulation plant will be built at the existing Zwilag interim storage facility in Würenlingen, canton Aargau. The surface entrance to the repository is planned in the Haberstal area, within the community of Stadel in canton Zürich.

Detailed Requirements of the Application

The general permit application includes extensive documentation covering:

  • Safety and Security Reports: Assessing long-term safety and environmental impact.
  • Site Justification: Explaining the rationale behind site selection.
  • Environmental Impact Study: Ensuring minimal environmental risks.
  • Radiation Limits and Facility Layout: Defining exposure limits and design specifics.

Nagra also provided plans for an observation phase and final closure of the repository. Temporary protection zones around the site were defined to prevent disturbances during construction and operation.

CEO Stresses Safety and Environmental Compatibility

“We are demonstrating that we can construct and operate this repository safely while maintaining environmental compatibility,” said Nagra CEO Matthias Braun. He emphasized that the application provides the necessary data to facilitate Switzerland’s decision on the long-term disposal of radioactive waste.

Timeline for Review and Approvals

The review process will take several years:

  • By spring 2025, authorities will confirm if all required documents have been submitted.
  • A thorough review of the content will follow, involving the Swiss Federal Nuclear Safety Inspectorate (ENSI) and the Federal Nuclear Safety Commission (CNS). This assessment is expected to conclude by 2027.
  • General authorizations will be issued after further consultation with federal departments and cantons.

Key Milestones in Decision-Making

The Federal Council is scheduled to decide on the application by 2029, followed by parliamentary approval in 2030. A national referendum will likely take place in 2031, ensuring broad public participation in this generational project.

Public Involvement and Transparency

Nagra is committed to fostering an open dialogue about the project. “This cross-generational initiative requires widespread debate and democratic legitimacy,” Braun stated. The application and supporting scientific documents will be made publicly available by 2025, three years ahead of legal requirements.

Steps After General Authorization

Once approved, geological studies will begin through the establishment of an underground laboratory. This will allow for further site-specific research to guide construction efforts. Subsequent applications for building and operating permits will follow.

Targeted Operational Date

According to current plans, the repository is expected to become operational by 2050, enabling the storage of Switzerland’s radioactive waste in a secure and sustainable manner.

Switzerland’s progress underscores the country’s commitment to finding long-term, scientifically sound solutions for nuclear waste management while maintaining transparency and public involvement at every step.

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