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Borssele 1&2 foundations all in place

4C Offshore | Tom Russell
By: Tom Russell 04/06/2020 DEME Offshore
Ørsted and DEME Offshore have completed the installation of the 94 Borssele 1&2 foundations. The installation started in January this year. Despite COVID-19, the installation was completed on time.

The foundations were installed by DEME’s installation vessel
Innovation. The Sif site in Rotterdam has been used as load out location for the foundations. The 94 monopiles were fabricated by Sif and EEW SPC. The 94 transition pieces came from Bladt and EEW OSB.

Jan Wind, Project Manager foundations for Borssele 1&2, said: “The process of designing, manufacturing and installing the foundations went very well and the milestone has been achieved in cooperation  with experienced suppliers. We did this as one team, within Ørsted and with our suppliers. I thank everyone who contributed to this safe and smooth process.”


Jan-Mark Van Mastwijk, Business Unit Director Renewables at DEME Offshore, said: “It is a pleasure to work for Ørsted, which is a company driven by the same passion for technical optimisation and pioneering technology. Despite the challenges related to COVID-19, we achieved an excellent performance with our installation vessel ‘Innovation’, installing all 94 foundations in just five months. We also worked closely together to keep improving the safety processes and performance, learning from each other’s strengths and maintaining an open dialogue. We will continue to work on the turbine installation in the same spirit.”


Klaasjaap Buijs, Construction Manager for Borssele 1&2, said: “Even with our strict COVID-19 measures we are well on track with the construction of the wind farm. In the last few weeks we even had three jack-up vessels, two cable installation and burial vessels, two SOVs, one supply vessel and 11 CTVs on site. I’ve never seen such a busy site. We have already installed 74 of the 94 cables and 20 of the 94 turbines. The wind farm will be completed by the end of this year and will then supply green energy for one million households.”

Ørsted won rights to the
Borssele 1&2 site in July 2016, with an average bid strike price, excluding transmission costs, of EUR 72.70/MWh for the first 15 years of the project's operation. The project will consist of 94 Siemens Gamesa Renewable Energy SG 8.0-167 DD turbines, with a combined capacity of 752 MW. It is located 23 km off the coast of Zeeland (Westkappele), and is expected to provide power to over 500,000 households once completed. The project should be fully commissioned by the end of the year.

For more information on offshore wind farms worldwide, click here.

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