Transition to 132 kV offshore wind farms: Industry update

Status update from the OWA High Voltage Array Systems (Hi-VAS) project, outlining the updated technical and commercial readiness of the supply chain to deploy wind farms with 132 kV arrays.

Transition to 132 kV offshore wind farms

Overview

In 2022, the High Voltage Array Systems (Hi-VAS) project identified 132 kV as the optimal next array voltage level and set out the technical and commercial readiness of 132 kV compatible components. In response to changes to the market since the original Hi-VAS publication in 2022, the Hi-VAS project has carried out a review of the offshore wind industry’s status and readiness to transition to 132 kV. This report outlines the outcomes of this recent work to provide an update on the status of the transition to 132 kV and highlight the areas requiring further development. 

Key findings

  • There is a broad confidence that the sub-component supply chain will be ready for the transition to wind farms with 132 kV arrays by around 2030.
  • However, several key developments remain necessary including the availability of wind turbines compatible with 132 kV systems, the development of qualification tests for wet 132 kV array cables, and clarity around the cost of 132 kV systems.
  • Clarity on 132 kV projects will be crucial to enable the supply chain to invest in manufacturing capacity for 132 kV components.
  • The timeline for commercial deployment will depend not only on technical readiness but also on the ability to align investment decisions with the timely qualification of all critical components.  

 

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