Gwynt y Môr
|Gwynt y Môr Wind Farm|
|Location||off the coast of North Wales, UK|
|Construction began||January 2012|
|Owner(s)||RWE Npower (50%)|
Stadtwerke München (30%)
UK Green Investment Bank (10%)
|Operator(s)||Gwynt y Môr Offshore Wind Farm Limited|
|Max. water depth||12–33 m (39–108 ft)|
|Distance from shore||18 km (11.2 mi)|
|Hub height||98 m (322 ft)|
|Rotor diameter||107 m (351 ft)|
|Site area||80 km2 (30.9 sq mi)|
|Units operational||160 X 3.6 MW turbines|
|Make and model||Siemens Wind Power: SWT-3.6-107|
|Commons||Related media on Commons|
Gwynt y Môr (English: Sea Wind) is a 576-megawatt (MW) offshore wind farm located off the coast of North Wales and is the fifth largest operating offshore windfarm in the world. The farm has 160 wind turbines of 150 metres (490 ft) tip height above mean sea level.
Planning consent for the project was granted on 3 December 2008. The project has a value of 2 billion Euros, of which 1.2 billion Euros were spent on turbines and electrical connections. Construction began in 2012, power production started in September 2013, construction phase ended in November 2014, and final commissioning occurred in June 2015.
In May 2020 plans to add up to 107 new turbines were submitted to Flintshire Council, increasing the windfarm by an extra 41 square miles, with a generating capacity of at least 100 megawatts.
Design and planning
As with all offshore wind farms in the UK the Crown Estate owns the seabed at Gwynt y Môr. It has agreed to lease the land to RWE npower renewables. The wind farm is located close to the existing North Hoyle and Rhyl Flats offshore wind farms. These projects are wholly or partly owned by RWE npower renewables, a subsidiary of German company RWE. In the case of Gwynt y Môr, RWE holds 50%, Stadtwerke München holds 30%, Siemens holds 10% and UK Green Investment Bank holds 10%.
With 160 turbines of 3.6MW Siemens SWT-3.6-107, Gwynt y Môr will be Wales' largest wind farm. The output of 1,950 GWh per year is capable of powering around 400,000 homes, or 30% of the homes in Wales. This prevents the release of about 1.7 million tonnes of carbon dioxide every year.
Construction work began offshore in January 2011 when pieces of rock were laid on softer parts of the seabed to secure the foundations of the turbines. Work began on laying undersea cables from the windfarm to the shore in August 2012. In order to feed electricity into the national grid, a substation was built near St Asaph in Denbighshire.
- Wind power in the United Kingdom
- List of offshore wind farms
- List of offshore wind farms in the United Kingdom
- List of offshore wind farms in the Irish Sea
- npower (UK)
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- Gwynt y Môr, RWE Innogy