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Aibel and Hitachi Energy to deliver Hornsea 3 converters

By: Tom Russell 14/07/2022 Hitachi Energy and Aibel

Converters General Grid Substations Windfarms

Hitachi Energy and Aibel have been commissioned to deliver high-voltage direct current (HVDC) systems for Ørsted's Hornsea 3 wind farm, located more than 120 km off the UK's east coast.

Aibel is responsible for the engineering, procurement, construction and installation in the delivery of two HVDC converter platforms. Hitachi Energy will supply two HVDC Light converter systems. The platform is based on Hitachi Energy’s modular HVDC system including its advanced control and protection system, MACH.

The Hornsea 3 project will be headed from Aibel’s Oslo office, with construction of the two platform topsides will take place at Aibel's yard in Thailand. They will then be transported to Haugesund, where they will be outfitted with Hitachi Energy's latest generation HVDC converter valve technology prior, to final completion and commissioning.

The unmanned platforms, mounted on jacket foundations, will be operated from shore and accessed for maintenance by SOV (Service Operations Vessel) or helicopter. The platforms will have a combined capacity of up to 2.852 GW to transfer electricity generated by the offshore wind turbines in the Hornsea 3 wind farm to shore.

The platform topside for the Hornsea 3 Link 1 is scheduled to arrive in Haugesund in Q1 of 2025. Forecast sailaway to the Hornsea field is in 2026.

With a capacity of 2,852 MW, Hornsea 3 is expected to produce enough electricity to power 3.2 million UK homes. Ørsted is expected to take final investment decision on Hornsea 3 within 18 months and potentially as soon as by end of 2022. When the wind farm has been fully commissioned, Ørsted will, in accordance with UK regulation, divest the transmission assets to a new owner.

In a separate announcement, Heerema Marine Contractors revealed today (14 July 2022) it has to been tasked transport and install two Offshore Converter Stations for the Hornsea 3 offshore wind farm.
“We are proud and honoured to enter into a new collaboration with Ørsted - a relationship that has matured over the last 36 months. With this award, we once again consolidate our position as a leading supplier of HVDC solutions in the European offshore wind segment,” said Aibel’s President and CEO, Mads Andersen.
“Offshore wind is a critical part of the clean energy transition and our HVDC technology is vital for effective transmission to the mainland power grid,” said Niklas Persson, Managing Director of Hitachi Energy’s Grid Integration business. “To address the rapidly growing offshore market, partnerships and collaboration are key to deliver at the speed and scale required to reach our decarbonization and energy security goals.”

For more information on offshore wind farms worldwide, click here.

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Aibel and Hitachi Energy to deliver Hornsea 3 converters

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