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Call us

You can call Danish Decommissioning every weekday from 9 am to 3 pm on tel. 4633 6300. If you have an errand that cannot wait outside office hours, the technical service can be contacted on mobile 4633 6311.

Guided tour

If an organisation or educational institution wishes to visit Danish Decommissioning, please contact us at At guided tours, everyone must be at least 14 years old. The guided tours may take place on weekdays.

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.

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.


Danish Decommissioning
Frederiksborgvej 399
Building 214, Postcenter 15
4000 Roskilde

Tel: + 45 4633 6300
Email: dd

EAN No. 5798000416871
VAT No. DK26144744

Who to contact

Management and contacts for press and long-term waste solution

  • Ole Kastbjerg Nielsen

    Ole Kastbjerg Nielsen

    Managing Director
  • Kirsten Hjerrild Nielsen

    Kirsten Hjerrild Nielsen

    Technical Director
  • Anja Kraag

    Anja Kraag

    Head of Management Secretariat
  • Casper Boe Jensen

    Casper Boe Jensen

    Communications Advisor

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