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Hornsea One OFTO


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The Hornsea One OFTO is situated in the southern North Sea about 120km off the East Yorkshire coast.

The OFTO is a 1200MW connection between the generators and onshore transmission system

The three offshore substations are connected to a reactive compensation station by three undersea cables which are up to 84km long. The reactive compensation station is connected to shore by 3 undersea cables which are 65km which come ashore at Horseshoe Point, south of Grimsby. The onshore cables, which are about 38km long, connect to the onshore substation at Killingholme.

Downloadable Documents

  • DTPH Transmission Licence

    Size: 942 KB Download
  • DTPH Decommissioning Programme

    Size: 2 MB Download
  • DTPH Basis of Transmision Owner Charges 2021-22 - Issue 3

    Size: 172 KB Download
  • DTPH Separation and Independence of the Transmission Business Compliance Statement Issue 2

    Size: 866 KB Download
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