Skagerrak 2 Cable Back in Operation After Fault-Finding and Repair

One of the oldest submarine cables between Norway and Denmark, Skagerrak 2, has been put back into operation after being repaired. A fault occurred on the cable on 2 June 2026, causing it to fall out of operation. After troubleshooting, investigation and repair, the cable returned to regular operation on 20 September 2026, with the work undertaken by Nexans using the vessel Skagerrak.

 

Details of the Fault

 

A submarine cable has been repaired. It is Skagerrak 2. It connects Norway and Denmark. It is one of four such cables. It is among the oldest.

A fault occurred earlier this year. This was on 2 June 2026. The fault caused problems. The cable fell out of operation. This prompted the repair effort.

 

The Repair Process

 

The repair involved several stages. These included troubleshooting. Investigation also featured. Repair work followed. The cable returned on 20 September.

The work used a specialised vessel. Nexans undertook the repair. It used the vessel Skagerrak. This was mobilised in August. It carried out the work.

 

The Technical Work

 

The repair involved a specific operation. The fault location was found first. A cut and seal operation followed. The cable was cut on each side. This was around the damage.

The sealing prevented further damage. The cable ends were sealed. This prevented water ingress. This protected the cable. It enabled the repair's completion.

 

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The Cost and Context

 

The repair drew on an agreement. Nexans has a framework agreement. This is with a repair pool. The asset owner is a member. This enabled the repair.

The cost was substantial. It exceeded NKr160 million. It was shared between parties. It was higher than estimated. This was partly due to challenging weather.

 

Significance of the Repair

 

The repair restores a key link. The cable connects two countries. It is one of four cables. Its restoration maintains capacity. This supports cross-border connectivity.

The repair demonstrates cable resilience. Faults can occur on cables. Repair capability is essential. The framework agreement enabled this. It ensured a timely repair.