Call us

You can call Danish Decommissioning every weekday from 9-15 on tel. +45 4633 6300.

If the inquiry concerns notification or delivery of radioactive waste, please call the waste hotline 4633 6358.

If you have an errand that can't wait outside office hours, technical security can be contacted on mobile 4633 6311.

Guided tour

Danish Decommissioning wants to contribute to building knowledge about Denmark's radioactive waste and historical nuclear facilities.

That's why we offer guided tours of the area, taking into account DD's resources and other tasks.

If an organisation, citizen group or others want to visit Danish Decommissioning, you are welcome to contact Communications Advisor, Casper Boe Jensen, at casje@dekom.

Alternatively, you can contact Danish Decommissioning's main mailbox at dd

To join the tour, everyone must be at least 14 years old.

The tours can take place Monday to Friday.

When visiting

Danish Decommissioning is located on the Risø peninsula together with DTU and Aarhus University approx. 6 km north of Roskilde. Visitors must make an appointment with one of our employees in advance. Upon arrival at the peninsula, you must report your arrival at DTU's guarded gate, where you will receive a visitor’s pass.

Our administration building (no. 214) is located approx. 1 km from the gate.

Knowledge building

Danish Decommissioning wants, as a government institution, to contribute to knowledge building and information about our field, radioactive waste, decommissioning and radiation protection and the many related topics.

You are always welcome to contact Danish Decommissioning at dd@dekom .dk, and Danish Decommissioning also participates in relevant forums.

Smoke-free workplace

Danish Decommissioning is a smoke-free workplace as of January 1, 2024. This means that all smoking is not allowed in the area. This includes e-cigarettes and other tobacco products.