Barrow Offshore Wind Farm
The Barrow Offshore Wind Farm is a 30 turbine 90MW capacity offshore wind farm in the East Irish Sea approximately 7 kilometres (4.3 mi) south west of Walney Island, near Barrow-in-Furness, Cumbria, England.
|Barrow Offshore Wind Farm|
Barrow Offshore Wind Farm, April 2009
Location of Barrow Offshore Wind Farm off the coast of England
|Country||England, United Kingdom|
|Location||East Irish Sea, south west of Walney Island, Barrow-in-Furness, Cumbria|
|Distance from shore||7 km (4 mi)|
|Hub height||75 m (246 ft)|
|Rotor diameter||90 m (300 ft)|
|Make and model||Vestas Wind Systems: Vestas V90-3MW|
|Commons||Related media on Commons|
Construction of the wind farm took place between 2005 and 2006. The farm is operated by Barrow Offshore Wind Limited, owned by Dong Energy.
Planning and designEdit
Barrow wind farm was a UK Round 1 wind farm development originally developed by Warwick Energy Limited. A planning application was submitted in 2001, and planning consent given in March 2003; the project was sold to Centrica (25%, c.£22.5million), Dong Energy (37.5%), and Statkraft (37.5%) in Sep. 2003. The estimated cost of developing the project was £100million, of which £10million was provided by a UK government grant. In 2004 Centrica and Dong Energy bought the Statkraft stake, forming a 50:50 joint venture in the development.
The initial Warwick Energy proposal was for a 30 turbine wind farm 7 km southwest of Walney Island (Cumbria), with a generating capacity of up to 108MW; electrical power supply to the mainland was to be via a ~25 km long 132kV cable making groundfall near Heysham, with connection to the mainland electrical grid at an extension to an existing electricity substation south of Heysham nuclear power station. Turbines were expected to have ~50m radius blades, with a 75m hub height, and be situated in water at a depth of ~20m, with a ~32.5m sub-sea bed monopile foundation; the turbines were to be spaced approximately 500m apart in four rows aligned to face the prevailing southwestery winds, with a row spacing of ~750m.
In July 2004 Kellogg Brown & Root Ltd and Vestas-Celtic Wind Technology Ltd were awarded the contract to install and commission the wind farm, and to operate the wind farm for 5 years. A 30 turbine wind farm with a capacity of 90MW was constructed by the consortium between July 2005 and May 2006. The main construction base was at Harland and Wolff's shipyard in Belfast. In exceptions where pile driving of monopile foundations failed, drilling was used to form the monopile foundations.
IEC 1A class Vestas V90-3.0MW wind turbines were used, mounted on a 75m tower connected to 4.75 m (15.6 ft) monopiles supplied by a Sif/Smulders joint venture. Turbine to offshore substation electric connection were at 33kV, with the voltage stepped up to 132kV at an offshore substation supplied by Areva T&D (transformer), Sif/Smulders (superstructure and monopile) and designed by KBR and Mott MacDonald. Cables were supplied by Prysmian (33kV) and Nexans (132kV).
In 2011 regulatory changes required Dong/Centrica to divest the electrical transmission assets of the wind farm, which were sold to TC Barrow OFTO Ltd. for £34 million.
In 2014 Dong Energy acquired Centrica's 50% holding in the wind farm.
- Ormonde Wind Farm, Walney Wind Farm, West of Duddon Sands Wind Farm – other nearby wind farms in the Irish Sea
- List of offshore wind farms in the United Kingdom
- List of tallest buildings and structures in Barrow-in-Furness
- Barrow (4C Offshore) Developers/Owners/Operators
- Barrow Offshore Wind Farm (LORC) Timeline & Track Records
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- "Offshore Wind Farms", www.warwickenergy.com, archived from the original on 15 October 2004
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- Centrica forms joint venture to acquire offshore windfarm company (press release), Centrica, 12 September 2003
- "Centrica pays £2 million to increase stake in Barrow windfarm project", www.icis.com, 23 July 2004
- Barrow wind farm (Non technical summary) (Warwick Energy) pp.1–2
- Barrow wind farm (Non technical summary) (Warwick Energy) pp.2–3
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- Barrow Offshore Wind Farm (LORC) Turbine, Tower & Substructure
- Barrow Offshore Wind Farm (LORC) Substations, Inter-Array & Export Cables
- Barrow Offshore Wind Farm (Dong)
- Barrow Offshore Wind Farm (LORC) Production and Performance
- Disposal of Barrow offshore wind farm transmission assets (press release), Centrica, 27 September 2011
- "Centrica exits Barrow", renews.biz, 19 December 2014
- "BOWind", www.bowind.co.uk, archived from the original on 8 July 2012
- "Barrow Offshore Wind Farm", www.dongenergy.co.uk, archived from the original on 21 February 2014
- "Barrow Offshore Wind Farm", www.lorc.dk, retrieved April 2013 Check date values in:
- "Barrow", www.4coffshore.com, retrieved April 2014 Check date values in: