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Triton Knoll looks for voles

By: Matthew White 21/03/2018 Triton Knoll

Foundations General

Triton Knoll's onshore cable installer J Murphy & Sons has hired Scarborough Nixon Associates, a group of Lincolnshire ecologists, to conduct a series of surveys regarding water voles along the onshore cable corridor. This is part of a programme of pre-construction works in support of the onshore Triton Knoll Electrical System, and in preparation for the start of construction this summer.

Developers of the project said that two teams will be visible at various sites as they carry out surveys of drains and ditches crossed by the cable corridor, in order to identify areas where water voles could be present. The surveyors will be accompanied by engineers from J Murphy & Sons.

In locations where water voles are confirmed or potentially present, it has claimed that vegetation will be carefully cut in such a way as to encourage the displacement of water vole from the construction corridor prior to the onset of the water vole breeding season. This will involve an initial search by the ecologists to locate and mark any water vole burrows, followed by cutting of the bank-side and ditch vegetation. The water voles in the area will then be left to naturally disperse for a 5-10 day period, after which the developers state any burrows would be subject to a further final search, providing safe access is available.

The plan is for the vegetation to be maintained to ensure that the water voles do not re-inhabit the construction corridor as this could cause delays in construction. All work will be supervised by an ecologist and conducted under a water vole class licence issued by Natural England. The developers outlined that "it is likely there may be some minor, short-lived noise from the day to day operation of the plant involved."

With an anticipated capacity of around 860MW, Triton Knoll will be located approximately 50km off the Lincolnshire coast. The project was awarded a Contract for Difference (CfD) with a strike price of £74.75/MWh (approx.€83.45/MWh) for 15 years.

The project is now progressing towards a financial investment decision in 2018 with full onshore construction starting shortly after. Offshore construction is scheduled to start in 2020. First energy generation could be as early as mid-Q1 2021, with the project expecting to be commissioned in 2021.

For more information, please follow the links provided. You can also view the project, and others worldwide, using this interactive map.

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Triton Knoll looks for voles

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