Dutch demo nears finish line

In: Windfarms
15/02/2021
The offshore wind innovation project Borssele V is in the final stages of commissioning. Located 20 km off the coast of the Netherlands, Borssele V is being developed by the Two Towers consortium (Van Oord, Investri Offshore and Green Giraffe) to test and demonstrate new technologies.

Two Towers intends to implement an innovative 'split joint' clamping connection solution between the foundation and tower. This technology, developed in collaboration with Van Oord, offers an alternative to flanged or grouted connections and is expected to be maintenance-free, and reduce installation time. The consortium will also use innovative aluminium-based protection coating (TSA), which ensures a higher life expectancy of the mast and requires less maintenance will be tested. Impressed Current Cathodic Protection (ICCP) monitoring system and an oval cable hole will also be deployed at the site.


Furthermore, new eco-designs for scour protection will be tested to determine effects on the maritime environment. This includes the use of scour protection in creating reef systems, such as oyster reefs, which are designed to help promote a healthy and diverse marine ecosystem.


Installation of the two V164-9.5 MW turbines began in late November with Van Oord's vessel Aeolus, and first power was successfully achieved on 27th December 2020.


According to the project team, "the fabrication of the innovations, offshore installation and commissioning has progressed very well and according schedule". Commissioning works are progressing well, and are expected to conclude later this month.


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