Gwynt Glas Project Overview

Gwynt Glas is developing an up to 1 GW floating offshore wind farm in the Celtic Sea to generate clean energy and boost regional economic prosperity, while minimising disruption to the natural environment, local communities and sea users.

We are conducting initial development activities with the intention of obtaining an Agreement for Lease from The Crown Estate (TCE) in early 2024. The proposed project is likely to span English and Welsh waters and could provide power for approximately 920,000 homes.

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In July 2022 TCE identified five Areas of Search in the Celtic Sea from which 4 GW’s of floating wind project development sites will be competitively tendered in mid 2023.

Based on current timescales and if planning consents are approved, we anticipate Gwynt Glas construction starting in the late 2020s and the wind farm being operational in the early 2030s.

Click here for an indicative timeline of project development.

The Gwynt Glas Area of Interest is virtually all included in The Crown Estate’s current Area of Search for future seabed leasing. Early stakeholder consultation is helping Gwynt Glas to:

1.  understand the local constraints in advance of TCE announcing site locations within this area of search

2.  advance the project team to the best possible position to accelerate the development process

The solid coloured area blocks in the map are the Areas of Search identified by The Crown Estate in July 2022.

The Gwynt Glas Area of Search is five times larger than the footprint required for a 1 GW floating wind farm. To respond efficiently to leasing and consenting requirements our development strategy allows scope for three construction approaches:

A - 300 MW early commercial project

B - 1 GW project to provide a Celtic sea project of scale

C – 1 GW project in two phases. 300 MW early phase project providing early stimulation to the supply chain followed by a 700 MW second phase commercial scale project to provide supply chain continuity

An important element of the project is how it is connected to the electricity grid so that the green energy being produced can be distributed to homes and businesses across the UK. In May 2022, Gwynt Glas signed a 300MW grid connection agreement with National Grid for a pre-commercial scale project. A 1GW application to National Grid for a commercial scale project is in progress. We are currently analysing which floating offshore wind platform technology and design is best suited to our project. The Gwynt Glas team is focused on being flexible and agile to adapt to the continuously evolving offshore wind development, technology and policy landscape. We are also committed to working with stakeholders and local communities to listen to their feedback.

We began remote aerial surveys for marine mammal and birds in Spring 2021. Early commercial fisheries as well as shipping and navigation consultation activity is underway, and we will roll this engagement out across key stakeholder groups and communities. We continue to work collaboratively to support the development of key ports and grid infrastructure, address future sector skills needs and identify the use of regional supply chains wherever possible in South Wales and the South West of England.

Find out more about our consultations here.

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