Offshore Cable Termination & Testing Services

Reliability Proven Offshore

Precision in every joint, every test.
We safeguard the quality of subsea cable terminations with certified methods, proven testing and strict offshore standards.

How We Deliver in Cable Termination & Testing

Termination and testing are decisive phases in offshore wind projects. A single weak joint or failed test can put entire arrays at risk. Our certified engineers and jointers secure reliability by applying field-proven methods, manufacturer compliance and complete documentation. We make sure every connection is safe, traceable and built to perform for decades at sea.

What We Deliver in Cable Termination & Testing

Reliability is earned at the point of connection. WolfWindWorks focuses on precision, certification and compliance so every joint, splice and test stands strong in offshore environments.

▸ HV & MV Cable Termination and Jointing

Certified installation of export and inter-array cables, including sealing, stress control and insulation systems to manufacturer and IEC/DNV standards.

▸ Pre-Moulded Joints & Accessories

Execution of jointing with pre-moulded systems and accessories from all major OEMs, with strict adherence to supplier specifications.

▸ Comprehensive Electrical Testing (VLF, hipot, sheath, PD)

Coordination and execution of high- and medium-voltage testing, including insulation resistance, VLF, partial discharge and sheath testing prior to energization.

▸ Cable Preparation & Visual Inspection

Step-by-step preparation, stripping, cleaning and inspection of conductors, insulation and sheaths with full photographic and written records.

▸ Commissioning & Energization Support

Support for safe energization of subsea cable systems, including test witnessing, QA checks and coordination with client representatives.

▸ Fault Location & Repair Assistance

Technical support in fault detection, pinpointing and jointing repair to restore assets to service with minimal downtime.

▸ Documentation, QA/QC & Handover

Clear test reports, termination records and QA/QC documentation packaged for regulators, certifiers and client systems.

Precision and Reliability in Cable Termination & Testing

WolfWindWorks adapts to your project scope from a single termination to multi-cable campaigns across multiple export routes. Our offshore jointers and test engineers combine speed with safety in high-pressure environments, backed by experience across offshore wind farms in the Netherlands, Belgium, the UK and Scandinavia.

Termination & Testing Core Services:

  • HV/MV subsea cable termination & jointing
  • Pre-moulded jointing system installation
  • Electrical testing (VLF, hipot, PD, sheath)
  • Cable preparation, inspection & QA/QC
  • Commissioning and energization support
  • Fault detection, repair and restoration
  • Complete test documentation & handover packages

Why Wolf for Termination & Testing?

  • Certified HV jointers and test engineers with offshore track record
  • Hands-on experience across European offshore wind farms
  • Independent, agile teams trusted by EPCs and developers
  • Transparent reporting and compliant documentation for regulators
  • Proven ability to minimize downtime and deliver reliable energization

Make Every Connection Count

Proven offshore expertise to energize your project without delays.

Customer Reviews

IX Renewables

Reynard

Deugro

Axess

Latest news and highlights

Ørsted pulls out of £3.3B carbon capture bid amid 30% share loss and launches a $9.3B rights issue to back 8.1 GW offshore wind build-out.

RWE Q1 EBITDA drops nearly 25% amid Europe-wide stilling. See how calm winds ripple through energy prices—and how WolfWindWorks keeps your offshore assets steady.

Taiwan delivers 21 record-breaking jacket foundations for Hai Long Offshore Wind. Learn why it matters for Asia-Pacific and WolfWindWorks.

Quality Assured from Termination to Testing

Hands-on specialists secure safe and reliable cable connections. Proven field expertise ensures your assets perform as designed.

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