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Aberdeen Bay

HV Consultancy

EDSHV Group appointed to provide HV consulting services at Aberdeen Bay


Located off Aberdeen Bay, this pioneering offshore wind farm has 11 turbines with a total generating capacity of 93.2MW. 

The EOWDC project has enabled Swedish energy group Vattenfall, the developers behind the wind farm, to trial new technology and is only the second commercial offshore wind farm worldwide to use an innovative 66kV cabling system. Compared with conventional 33kV cabling less inter-array cabling is required, and this reduces construction costs.


The EOWDC will:

  • Annually produce 312 GWh
  • 93.2MW installed capacity
  • Annually displaces over 134,000 tonnes of CO2, the equivalent of removing approx. 35,000 cars from UK roads
  • Produce enough electricity every year to meet the equivalent annual demand of almost 80,000 homes
  • Generates the equivalent of 70% of Aberdeen's domestic electricity demand and 23% of Aberdeen's total demand
  • Annually invests £150,000 to a Community Benefit Scheme


EDS’s involvement

EDS was subcontracted by Boskalis to complete cable termination and testing work on the 66kV network, and successfully completed the scope of work on the 11 assets while providing the expertise and skill set required to work with the increased voltage. 

In addition, EDS HV Management also provided HV consulting services to the EOWDC as part of a separate contract that included safety rules implementation, the supply of Senior Authorised Persons (SAPs), network and SCADA system review and commissioning support services. 

Ken Ritson, Group Managing Director of EDS said:

“66kV is quickly becoming the industry norm, and any change such as this needs to be carefully managed.  EDS were happy to offer the enhanced level of competence and experience required to help to manage this change”.


Image courtesy of  Vattenfall   

Learn more about the Aberdeen Offshore Windfarm here .

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