Coherent Resilience 2025 – Arctic (CORE25-A) Tabletop Exercise (TTX) was focused on the resilience of Arctic energy systems, with particular attention to the protection of maritime critical energy infrastructure against hybrid threats. Jointly organized by the NATO Energy Security Centre of Excellence, the European Commission, Joint Research Centre, the U.S. Naval Postgraduate School, Energy Academic Group and Ted Stevens Center for Arctic Security Studies it was conducted in Sweden on 3 – 7 November 2025.
The exercise aimed to support national authorities and key energy sector stakeholders across the North American and European Arctic in strengthening the resilience of maritime energy installations and distribution networks against hybrid threats.
The event brought together nearly 120 participants from 21 nations including all Allied Arctic states, who came from 56 different organizations representing maritime, energy supply and security stakeholders (private, public and military), as well as NATO entities, the Joint Expeditionary Force and European Union institutions.