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
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DTPH Transmission Licence
Size: 942 KB Download -
DTPH Decommissioning Programme
Size: 2 MB Download -
DTPH Regulatory Accounts 2022-23
Size: 14 MB Download -
DTPH Basis of Transmision Owner Charges 2023-24 - Issue 5
Size: 149 KB Download -
DTPH Annual Compliance Report
Size: 567 KB Download -
DTPH Separation and Independence of the Transmission Business Compliance Statement_ V5
Size: 712 KB Download -
DTPH Statement on Modern Slavery Act - Issue 2
Size: 146 KB Download
