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First power at Hornsea 2

By: Tom Russell 20/12/2021 Ørsted

General Turbines Windfarms

Ørsted announced that it has achieved first power on Hornsea 2, located 89 km off the UK's east coast. With a capacity of 1.32 GW of clean electricity – taking the title of ‘world’s largest operating offshore wind farm’ from its sibling project Hornsea 1.

First power was achieved after its offshore substation (OSS), the world’s largest offshore AC substation, and reactive compensation station (RCS), were installed in late October 2021. Since that time, Ørsted and its partner companies have been working to commission and energise the wind farm in preparation for its anticipated operational date next year.

Once Hornsea 2 is completed, power will be transferred from the 165 wind turbines via 373 km of array cables to the OSS and RCS, reaching the national grid via 390 km of offshore and 40 km of onshore export cables which terminate at the onshore substation in Killingholme.

Patrick Harnett, Programme Director for Hornsea 2, said: “Achieving first power is an important milestone for the project and a proud moment for the whole team. Constructing a project of this size and scale is only possible through strong collaboration, hard work, and dedication. From here, we have the finishing line in sight as we install the remaining turbines and continue testing, commissioning, and energising our wind farm into the new year. A huge well done to everyone who has worked through the pandemic to keep the project on track.”

Duncan Clark, Head of Region UK at Ørsted, said: “Climate change is one of the biggest threats facing the world today, and we believe that the solution lies in deploying renewable energy resources on a much larger scale than anything we have seen so far. The UK is the global leader in offshore wind, and our Hornsea projects have helped pave the way for the next generation of offshore wind farms. Reaching this milestone on Hornsea 2 is testament to the incredible skill and commitment of everyone involved.”

A further two projects in the Hornsea Zone are also underway with Hornsea 3 receiving a Development Consent Order in December 2020 and Hornsea 4 currently going through the planning process.

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First power at Hornsea 2

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