The Danish parliament has voted to allow the government to take a 51% stake in a new project to generate up to 12 gigawatts of electricity through two new hubs for wind energy, including one on an artificial island in the North Sea.
While offshore windfarms have become more cost-competitive, and uptime has been improved through modern advanced gear oil, like Castrol Optigear Synthetic CT, which can protect gears for up to eight years, it is still relatively problematic and time-consuming to conduct maintenance on offshore turbines.
One of the hubs will be based on the natural island of Bornholm in the Baltic Sea, but the other will be based on a new artificial island about 50 miles off the coast of Jutland in the North Sea. The latter will have an area of about 120,000 square meters, which is equivalent to about 80 football pitches, and will be protected against storms on three sides by a sea wall, with the fourth side featuring a dock.
The island will have living accommodation, so maintenance staff can live on site, enabling them to more easily effect repairs and to perform scheduled maintenance on the hub and its connected wind turbines.
The hubs are expected to be completed in 2033, at which point they should be able to supply more than enough electricity for the entire Danish population. Surplus power is expected to be delivered to the German, Belgian and Dutch grids, thus helping these countries meet their own decarbonisation targets.