Latest event on East Anglia ONE

Bokalift has installed 2 jackets and 5 sets of pin piles (15 total). Read more

Latest Update: 14 June 2018

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Project Details for East Anglia ONE
General Information Name East Anglia ONE correct
Other names East Anglia Array, Zone 5, Norfolk, EA ONE correct
Country name United Kingdom correct
Region England, East of England correct
Comments The EA zone has favourable conditions including relatively low water depths, convenient location near demand centres and good wind conditions .

The project supply chain plans references plans to use a small area (three to five turbine locations) of the EA1 Project as a demonstration site for turbines and foundations.
correct
Round (or category) Round 3 correct
Development status Under Construction correct
Power & Turbines Project capacity 714 MW correct
Turbine model SWT-7.0-154 (Siemens Gamesa) correct
Turbine capacity 7 MW correct
Number of turbines 102 correct
Total turbine height 197 m correct
Hub height 120.00 m correct
Rotor diameter 154 m correct
Foundation Grounded: Jacket (Piled) (Three legged jacket foundations. Jacket weight: 850 tons. Height: 62.6 m. Footprint: 27 x 27 m. Weight piles: 360 tons.) correct
Windspeed 10 year mean wind speed (2000-2009) Available online now
Costs Stated project cost GBP(mill) 2600.00 correct
Location & Environment Sea name North Sea, Southern North Sea (Thames) correct
Centre latitude 52.226° correct
Centre longitude 2.494° correct
Area 205 km2 correct
Depth range (Chart Datum) 30 m - 41 m correct
Depth range stated by developer 30 m - 42 m correct
Distance from shore (reported) 45.4 km correct
Distance from shore (computed from centre) 55.1 km correct
Ports Installation base Great Yarmouth (Wind turbine pre-assembly and marshalling), BOW Terminal Vlissingen for foundations correct
Ops and maintenance Lowestoft (includes construction management) correct
Grid Converter/Collector platforms None correct
Offshore transformers EA1A correct
Grid connection point Bramford 400kV, NW of Ipswich correct
Cable landing point Between the Bawdsey Martello Tower and Bawdsey Manor correct
Export Cables
Please note that export cables connect the offshore transformer (substation) to either; shore or an offshore HVAC-HVDC converter station for onward transmission via HVDC cabling. Please see the converters page for planned converter stations and transmission cables.

The export cable length does not generally include the onshore component. The exception is when the onshore substation is close to shore.
Number of export cables 2 correct
Average length per cable 85 km correct
Transmission type (e.g. HVAC) correct
Nominal voltage 220 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type correct
Section area correct
Insulation correct
Number fibre optics 2 correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments Two 220kV HVAC offshore export cables. The cables will be buried 50m apart, with a 250m outer protection on either side (550m corridor in total). Therefore there will be two trenches. There will also be two cables joining the offshore substations. correct
Onshore Cables Number of onshore cables 6 correct
Average length per cable 37 km correct
Comments Up to six 220kV HVAC underground cables. The six cables will be laid in two circuits of three cables, in two separate trenches. Siemens will be providing 66kV array cables as part of their new option to provide their direct drive turbines, 66kV array cables, transformers and switchgear. correct
Array Cables Array cable length 122 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) correct
Nominal voltage 66 kV correct
Maximum voltage correct
Burial depth correct
Number of cores correct
Conductor type correct
Section correct
Insulation correct
Power rating 66 MVA correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments 102 array cables correct
Benefits Homes powered annually 505694 correct
CO2 reduced per year 1022008 tonnes correct
SO2 reduced per year 23768 tonnes correct
Expected life 30.0 years correct
Other Website Visit correct

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StatusName
Decommissioned Beatrice Demonstration Beatrice Demonstration
Decommissioned Blyth Blyth
Fully Commissioned Barrow Barrow
Fully Commissioned Blyth Offshore Demonstrator Project - Array 2 Blyth Offshore Demonstrator Project - Array 2
Fully Commissioned Burbo Bank Burbo Bank
Fully Commissioned Burbo Bank Extension Burbo Bank Extension
Fully Commissioned Dudgeon Dudgeon
Fully Commissioned Galloper Galloper
Fully Commissioned Greater Gabbard Greater Gabbard
Fully Commissioned Gunfleet Sands Gunfleet Sands
Fully Commissioned Gunfleet Sands 3 - Demonstration Project Gunfleet Sands 3 - Demonstration Project
Fully Commissioned Gwynt y Môr Gwynt y Môr
Fully Commissioned Humber Gateway Humber Gateway
Fully Commissioned Hunterston Test Centre - Mitsubishi 7MW (onshore) Hunterston Test Centre - Mitsubishi 7MW (onshore)
Fully Commissioned Hunterston Test Centre - Siemens 6MW (onshore) Hunterston Test Centre - Siemens 6MW (onshore)
Fully Commissioned Hunterston Test Centre (onshore) Hunterston Test Centre (onshore)
Fully Commissioned Hywind Scotland Pilot Park Hywind Scotland Pilot Park
Fully Commissioned Inner Dowsing Inner Dowsing
Fully Commissioned Kentish Flats Kentish Flats
Fully Commissioned Kentish Flats Extension Kentish Flats Extension
Fully Commissioned Levenmouth demonstration turbine Levenmouth demonstration turbine
Fully Commissioned Lincs Lincs
Fully Commissioned London Array London Array
Fully Commissioned Lynn Lynn
Fully Commissioned North Hoyle North Hoyle
Fully Commissioned Ormonde Ormonde
Fully Commissioned Race Bank Race Bank
Fully Commissioned Rhyl Flats Rhyl Flats
Fully Commissioned Robin Rigg Robin Rigg
Fully Commissioned Scroby Sands Scroby Sands
Fully Commissioned Sheringham Shoal Sheringham Shoal
Fully Commissioned Teesside Teesside
Fully Commissioned Thanet Thanet
Fully Commissioned Walney Phase 1 Walney Phase 1
Fully Commissioned Walney Phase 2 Walney Phase 2
Fully Commissioned Wave Hub Wave Hub
Fully Commissioned West of Duddon Sands West of Duddon Sands
Fully Commissioned Westermost Rough Westermost Rough
Partial Generation/Under Construction Rampion Rampion
Partial Generation/Under Construction Walney Extension Walney Extension
Under Construction Aberdeen Offshore Wind Farm (EOWDC) Aberdeen Offshore Wind Farm (EOWDC)
Under Construction Beatrice Beatrice
Under Construction East Anglia ONE East Anglia ONE
Under Construction Hornsea Project One Hornsea Project One
Pre-Construction Hornsea Project Two Hornsea Project Two
Pre-Construction Kincardine Offshore Windfarm Project Kincardine Offshore Windfarm Project
Consent Authorised Blyth Offshore Demonstrator Project - Array 3A & 4 Blyth Offshore Demonstrator Project - Array 3A & 4
Consent Authorised Dogger Bank - Creyke Beck A Dogger Bank - Creyke Beck A
Consent Authorised Dogger Bank - Creyke Beck B Dogger Bank - Creyke Beck B
Consent Authorised Dogger Bank - Teesside A Dogger Bank - Teesside A
123
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