National Grid has submitted its planning application for a 4km tunnel under the Menai Strait for a second connection for Wylfa Newydd nuclear power station to the national grid.
The Wylfa Newydd site, on the Isle of Anglesey, is beside the former Magnox Wylfa Power Station which is now being decommissioned.
According to Wylfa Newydd, the site provides good foundation conditions for a new nuclear power station and is high above sea level, simplifying flood risk.
As well as the tunnel, the proposals also include a second line of pylons close to the existing line.
As a result of the feedback from a public consultation, the planning application was changed to include: the selection of a route corridor in the centre of Anglesey, avoiding options nearer the coast; seeking consent for a tunnel, which will protect the Anglesey Area of Outstanding Natural Beauty (AONB) and iconic landscape; and looking closely at how the approach to the Menai Strait, to avoid towns like Menai Bridge, Llanfairpwll and Y Felinheli.
Wylfa Newydd nuclear power station senior project manager Gareth Williams said: “The connection will transport low carbon power to homes and businesses across Wales and the rest of the UK. Our application is an important step in unlocking many millions of pounds of local investment and around 9,000 construction jobs that the power station will create.
“We’ve listened to what people have told us and made hundreds of changes – big and small – as we’ve developed our plans. The feedback we’ve received during our consultations, and through our conversations with landowners, has made a real difference to the final design.”
The Planning Inspectorate now has 28 days to decide whether to accept National Grid’s application for examination.
It is hoped the £12bn plant will be operational by 2020, running for about 60 years and generating enough electricity to power 5M houses. Construction of the tunnel is expected to take five years.