Major cable-laying milestone

Posted on 08 Jan 2019 and read 617 times
Major cable-laying milestone Ørsted ( has completed the installation of the cables for Hornsea One — the world’s largest offshore wind farm — months ahead of schedule.

With offshore export cables totalling 467km (around the same distance as London to Newcastle), plus an onshore cable route of 38km connecting each of the three strings to the national grid, this is the longest AC offshore wind-power cable system so far.

When fully operational in 2020, Hornsea One’s 174 turbines will generate enough electricity to power over one million homes.

The electricity generated by the turbines 120km out at sea will pass through one of three offshore sub-stations, before being carried to shore by three high-voltage sub-sea export cables.

Project director Duncan Clark said: “This record-breaking project will be the first offshore wind farm in the world with a capacity over 1GW.

“We are pioneering new technology, and we are really at the forefront of scaling up clean-energy infrastructure with each phase we complete.

“Over 35 vessels were involved in delivering the installation, which was conducted safely and efficiently — an incredible feat of logistical co-ordination.”

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