Humber Gateway OWF - Export Cable Installation

Humber Gateway is one of E.ON’s projects to help tackle climate change and make a significant contribution to the UK’s renewable generation targets, whilst providing a clean and efficient means of energy generation.

Facts and figures

Client
E.ON
Vessel
Stemat Spirit
Cable details
2 x 14 km Export Cable
Project categories

Located 8km off the East Yorkshire coast, just north of the mouth of the River Humber, the wind farm will comprise 73 turbines and have an installed capacity of up to 219MW. On completion, the wind farm will be capable of generating enough electricity to power up to 170,000 UK homes, which equates to more than one and a half times the number of homes in Hull. The offshore cables will bring ashore the electricity where it will join up with the onshore cables running underground for approximately 30km from Easington to Salt End. Two substations, one onshore and one offshore, will be needed to step up the voltage of the electricity generated by the 73 Wind Turbines to connect into the National Grid. The total area of the site is approximately 24.8 square kilometers and its northern boundary runs parallel to existing pipelines that run into Easington. The site’s easterly and southerly boundaries are surrounded by the shipping channels entering and leaving the Humber estuary.

VBMS was commissioned to carry out the following: the loading of two 14 kilometer 132kV submarine export cables in Karlskrona Sweden; temporary storage of the cables in the Netherlands; the onshore landing of the cables, including the extension of a pre-installed pipe crossing the cliff-lined coast at Easington; and preparation of the route and successful laying and burial of the two export cables. The installation was supported from Grimsby on the Humber ‘Energy Estuary’.

The pipeline extension for the shore approach was executed in August 2013 supported by the backhoe dredger Manu Pekka. The cable installation was completed in November 2013 supported by the vessel Stemat Spirit.

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