Latest event on Hornsea Project One

The first substation arrived at Bladt Industries' facility in Aalborg. Z12 - the first of the three substations for the project. Read more

Latest Update: 09 March 2017

Developers/Owners/Operators Database in Excel | Add Your Organisation
RoleOrganisation 
Developer correct
Owner correct
Project Details for Hornsea Project One Database in Excel
Name Hornsea Project One correct
Other names Zone 4, Subzone 1, Heron Wind & Njord correct
Country name United Kingdom correct
Region England, Yorkshire & the Humber correct
Comments The transmission assets have been named Vi Aura Transmission Ltd.

Hornsea Project One will contain three HVAC substations. It will contain a reactive compensation substation half way along the route due to the wind farms moving further offshore.

The export capacity of 1200MW is detemined by the limitations of the offshore substations, while the aggregated installed generator capacity is 1218MW.
correct
Round (or category) Round 3 correct
Development status Pre-Construction correct
Comments on the status correct
Notice any Errors? You can keep this an open resource by submitting corrections!
Project capacity 1,218 MW correct
Turbine model SWT-7.0-154 (Siemens) correct
Turbine capacity 7 MW correct
Number of turbines 174 correct
Total turbine height 200 m correct
Hub height correct
Rotor diameter 154 m correct
Foundation Various (The west section will have 58 suction bucket jacket foundations, whilst the remaining turbines will be housed on 116 monopile foundations. The monopile foundations will have a diameter of up to 8.1 metres. Transition Pieces for the Monopiles weigh 240 tons.) correct
10 year mean wind speed (2000-2009) Available online now
Stated project cost correct
Sea name North Sea, Southern North Sea (Humber) correct
Centre latitude 53.883° correct
Centre longitude 1.922° correct
Area 407 km2 correct
Depth range (Chart Datum) 24 m - 37 m correct
Depth range stated by developer 23 m - 37 m correct
Distance from shore (reported) 120 km correct
Distance from shore (computed from centre) 114.5 km correct
Installation base correct
Ops and maintenance Grimsby (DONG O&M hub) correct
Converter/Collector platforms Hornsea Reactive Compensation Substation correct
Offshore transformers Hornsea Platform 1A Offshore Substation, Hornsea Platform 1B Offshore Substation, Hornsea Platform 1C Offshore Substation correct
Grid connection point Killingholme correct
Cable landing point Horseshoe Point correct
Number of export cables 3 correct
Average length per cable 142 km correct
Transmission type (e.g. HVAC) correct
Nominal voltage 220 kV correct
Maximum voltage correct
Power rating correct
Number of cores correct
Conductor type correct
Section area correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments Two cables will connect the substation platforms at 13km and 14km. These have not been included in the total export cables.

Hornsea Project One will have three substations which will connect to a single reactive compensation station mid-way to shore.
correct
Number of onshore cables 3 correct
Average length per cable 38 km correct
Comments correct
Array cable length 357 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) correct
Nominal voltage 34 kV correct
Maximum voltage correct
Burial depth correct
Number of cores correct
Conductor type correct
Section correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments Total manufactured cable for the park is 381km with the remainder being spare. correct
Homes powered annually 862655 correct
CO2 reduced per year 1743426 tonnes correct
SO2 reduced per year 40545 tonnes correct
Expected life correct
Website Visit correct

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Pre-Construction Blyth Offshore Demonstrator Project - Array 2 Blyth Offshore Demonstrator Project - Array 2
Pre-Construction East Anglia ONE East Anglia ONE
Pre-Construction Hornsea Project One Hornsea Project One
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Consent Authorised Blyth Offshore Demonstrator Project - Array 3A & 4 Blyth Offshore Demonstrator Project - Array 3A & 4
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Consent Authorised Dogger Bank - Creyke Beck B Dogger Bank - Creyke Beck B
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Consent Authorised Dogger Bank - Teesside B Dogger Bank - Teesside B
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