formerly
Tunø Knob
5 MW Fully Commissioned Denmark

"The 4C database is much more comprehensive than we expected – it is easily accessible, updated regularly and contains a wealth of relevant up to date information. This has been a very good investment for us and we recommend it as a must for the Wind Farm Vessel Supply Chain."

David Symon, Humber Work Boats Ltd

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Latest Windfarm News
Harnessing the wind
Sequim Gazette
William Shaw, atmospheric chemistry and meteorology scientist for Pacific Northwest National Laboratory, explains the technologically advanced and distinct instruments each buoy is equipped with to gather unique off-shore wind energy data in the open ...
Source: news.google.com
16/09/2014 23:51:34

RWE unveils Triton talking shops
reNews
RWE has unwrapped the blueprint for community consultations on the onshore electrical works for its proposed up to 900MW Triton Knoll offshore wind farm in the east of England. Adverts have been placed in local newspapers in Lincolnshire containing the ...
Source: news.google.com
16/09/2014 23:35:45

Canada falls behind global growth of offshore wind power: report
The Globe and Mail
Currently, Britain has the most offshore wind farms of any country, with about half of the worldwide capacity. While it will see more installed in the next few years – reaching 11 GW by 2020 – Britain's worldwide share will decrease to less than 30 per cent, the ...
Source: news.google.com
16/09/2014 22:06:22

Global offshore wind power market to reach almost 40 gigawatts by 2020
WhaTech
Global Offshore Wind Power Market to Reach Almost 40 Gigawatts by 2020 is a new market research publication announced by Reportstack. With more countries utilizing offshore wind potential, the global offshore wind power market is expected to increase ...
Source: news.google.com
16/09/2014 21:36:38

A Million-Dollar Buoy Will Spot the Best Sites for Wind Farms
Gizmodo India
With roughly 12,383 miles of coastline, the US has plenty of potential installation sites for offshore wind farms. Floating data collection centers like the one shown above will help energy companies and government agencies alike find the windiest, and most ...
Source: news.google.com
16/09/2014 19:55:23

New Series: Brave Tern - Working on the edge (episode 1)
Deutsche Welle
Do German offshore wind farms have a future? 03.04.2013. Often hailed as the showpiece of German efforts to promote renewable energy, until recently there was general approval for the country's offshore wind farms. Now, however, the policy is falling out of ...
Source: news.google.com
16/09/2014 17:56:05

Wind Energy O&M Market Global Research and Analysis 2018
DigitalJournal.com
Good O&M practices can optimize the profitability of wind farms, thereby ultimately reducing the downtime of the turbines or leading to the extension of their lifespan. O&M also tends to be high for offshore wind energy systems compared to the terrestrial wind ...
Source: news.google.com
16/09/2014 18:05:55

Cape Wind Signs Lease For New Bedford Staging Area
Banker & Tradesman
Announcing a lease deal with Cape Wind, state officials expect the offshore wind farm developers, who are still fighting lawsuits and assembling financing, to begin operations at the South Coast Marine Terminal in New Bedford in January 2015. The Mass ...
Source: news.google.com
16/09/2014 15:52:57

Volvo Penta Turns the Tide for Njord Offshore
The Maritime Executive
After initially being designed to accommodate a different propulsion system, Njord Offshore's four new windfarm crew vessels are all fitted with Volvo Penta IPS900 and will be in the water by early 2015. Volvo Penta exhibited its offshore windfarm solutions at ...
Source: news.google.com
16/09/2014 15:37:32

Gov. Sees State as Future Leader in Wind Energy
Product Design & Development
Rhode Island will have a major role to play in the offshore wind industry, even though a developer chose to use a Massachusetts port to build a large wind farm, Gov. Lincoln Chafee said Monday. Rhode Island officials had hoped Cape Wind would use New ...
Source: news.google.com
16/09/2014 15:06:18



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Developers/Owners/Operators
Project Details for Tunø Knob
General Information Name Tunø Knob correct
Other names correct
Country name Denmark correct
Region Odder correct
Comments correct
Round (or category) correct
Development status Fully Commissioned correct
Comments on the status correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 5 MW correct
Turbine Model V39-500kW (Vestas) correct
Turbine Capacity 0.5 MW correct
Number of Turbines 10 correct
Total Turbine Height 64.5 m correct
Hub Height 45.00 m correct
Rotor Diameter 39 m correct
Foundation Grounded: Gravity-Base correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Detailed wind speed data 6 hr/day/month historic data
Costs Stated Project Cost GBP(mill) 9.75 correct
Location & Environment Sea name Kattegat correct
Centre latitude 55.968° correct
Centre longitude 10.355° correct
Area 0 km2 correct
Depth range (Chart Datum) 4 m - 7 m correct
Depth range stated by developer correct
Distance From Shore (reported) 5.5 km correct
Distance From Shore (computed from centre) 5.5 km correct
Ports Installation base correct
Ops and maintenance correct
Grid Converter platforms None correct
Offshore transformers None correct
Grid connection point correct
Cable landing point 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 1 correct
Average length per cable 6.04 km correct
Transmission type (e.g. HVAC) MVAC correct
Nominal voltage 12 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type correct
Section Area 150 mm2 correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth 22 m correct
Comments 20.4kg/m, 123.2Ton correct
Onshore Cables Number of onshore cables correct
Average length per cable correct
Comments correct
Array Cables Array cable length 2.81 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 12 kV correct
Maximum voltage correct
Burial depth 4 m correct
Number of cores 3 correct
Conductor type correct
Section 150 mm2 correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments 20.4kg/m, 57.4Ton correct
Benefits Homes powered annually 3262 correct
CO2 reduced per year 6592 tonnes correct
SO2 reduced per year 153 tonnes correct
Expected life correct
Other Website Visit correct