Hornsea 1 Offshore Wind Farm 66kV Subsea Joint

Client:
Power Systems
Sector:
Renewable Energy – Onshore Wind
Voltage Range:
33Kv
Services Provided:
Cable jointing, terminations, testing, QA Documentation
Client:
Ørsted
Sector:
Renewable Energy – Offshore Wind
Voltage Range:
66kV
Services Provided:
Subsea cable jointing, offshore HV installation, heat shrink technology
Project Overview
Hornsea 1 is one of the world’s largest offshore wind farms, playing a key role in the UK’s clean energy supply. ADY-HV supported the offshore installation phase by completing critical subsea 66kV jointing works. These joints enable transmission of wind-generated electricity back to the mainland grid, contributing to a low-carbon future.
Scope of Works
-
Completion of offshore 66kV subsea joints under controlled marine installation conditions.
-
Jointing delivered to exacting subsea specifications using heat shrink methods.
-
Supporting the integrity and performance of long-distance offshore cable runs.
Talk to Us
-
Delivering robust HV jointing solutions in the toughest offshore environments, ADY-HV is trusted by leading renewables providers for critical 66kV installations.
-
Get in touch: From subsea joints to grid-ready wind farm connections, we’re here to help bring your offshore energy project online with confidence.
Explore Our Selected Projects
We have a wealth of completed jobs which we’ve successfully delivered and would like to share some selected projects with you to showcase the level of work we produce.









