Gwynt y Môr

Welcome to RWE Innogy's flagship Gwynt y Môr Offshore Wind Farm - currently the largest in construction anywhere in Europe.

A greater than £2billion project, Gwynt y Môr will consist of 160 turbines and is being built by RWE Innogy UK (formerly RWE npower renewables) in Liverpool Bay, off the North Wales coast. The project is being funded by RWE Innogy, in partnership with Stadtwerke München GmbH, and Siemens AG.

Once operational, Gwynt y Môr will have an installed capacity of 576MW, using Siemens 3.6MW turbines and generators. It will be capable of generating enough energy to meet the average annual energy needs of around 400,000 homes (1).

Construction is now well underway in north Wales and offshore in Liverpool Bay. The wind farm is due to be fully operational by the end of 2014.


Latest News and information

Gwynt y Môr is always in the news. Use this link to see the latest press releases and audio and visual information, and get in touch with the Gwynt y Môr press team.

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Tech and Spec

Find out about the technical detail and specifications behind the largest offshore wind farm under construction in Europe.

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Take a 3D look around Gwynt y Môr

Gwynt y Môr is the largest offshore wind farm we’ve ever built, and will take until 2014 before the scheme is fully operational. Can’t wait to see what it looks like? Use the link here to view our “to scale” 3D computer model of Gwynt y Môr, from the furthest turbine to the new onshore susbstation.

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Building Gwynt y Môr Offshore Wind Farm

Gwynt y Môr presents some of our most significant offshore construction challenges, located over eight miles offshore, and in water depths of up to 28metres. While onshore, installing over 11kms of underground cabling and building a brand new substation, faces its own unique challenges.

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Working with communities

As a responsible developer and operator, we aim to work with and support the communities in which our wind farms operate, through meaningful investments and engagement.

Gwynt y Môr Offshore Wind Farm will enable significant investments of almost £20million to be invested into local communities.

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Working with business

As a greater than £2billion construction project, Gwynt y Môr represents significant business opportunities for Welsh and UK businesses and individuals, throughout construction and its longer term operation.

Over £660m has been invested in the UK during construction.

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Multi media library

For the latest latest Gwynt y Môr multi-media downloads, Newsletters, factsheets and animations, visit the Multi-media Library.

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(1) Footnote:(Energy predicted to be generated by the proposal is derived using wind speeds monitored in the local area. This enables a calculation to be made to estimate the average annual energy production for the site based on 160 turbines each of rated capacity 3.6 MW. The energy capture predicted and hence derived homes equivalent figures may change as further data are gathered.

Equivalent homes supplied is based on an annual electricity consumption per home of 4700 kWh. This figure is supported by recent domestic electricity consumption data available from The Digest of UK Energy Statistics and household estimates and projections from the UK Statistics Authority.)

Gwynt y Môr

Consultation Documents