Northland Deutsche Bucht has confirmed that the first turbine at its 269-MW Deutsche Bucht offshore windfarm has been commissioned and is delivering power to the German grid
Deutsche Bucht project director at Northland Deutsche Bucht Jens Poulsen said, “Rapid progress on installation and commissioning was made possible by the dedication of our team, combined with excellent co-operation with all partners, especially the grid operator and Federal Maritime and Hydrographic Agency (BSH), the licensing authority.”
The 33 turbines in the project were installed from June 2019, and all of them are expected to be delivering energy to the grid by the end of 2019, as per schedule.
As of the end of July 2019, 21 of the 8.4-MW turbines from MHI Vestas Offshore Wind had been installed.
Fabrication on two innovative mono bucket foundations that will be tested on the Deutsche Bucht windfarm is ongoing at Bladt Industries facilities at Lindoe, Denmark. Installation and cabling for the mono bucket foundations and their turbines is planned for Q4.
Deutsche Bucht is the first offshore windfarm to test mono bucket foundations under commercial operating conditions, following a deal struck by Northland Power in May 2018 that saw it obtain approval to use them from the BSH.
The permit granted by the BSH will allow two additional wind turbines using mono bucket foundations to be installed on Deutsche Bucht.
Production from the turbines in the 17-MW demo project will earn the same fixed feed-in tariff as the base project for approximately 13 years under the German Renewable Energy Act, equating to approximately €184/MWhr (US$205/MWhr) for eight years and €149/MWhr (US$166/MWhr) for the remainder.
At the time the deal was struck with the BSH, then Northland Power chief executive John Brace said adding the demonstration turbines installed on the mono buckets could be of significant benefit to some of Northland’s future offshore windfarms and enable Northland to construct future projects more quickly and with lower costs.
Over the past few weeks, the installation and testing campaign for over 40 km of inter array cable for the project has been completed. The offshore substation for the windfarm has been handed over to Northland by the balance of plant contractor Van Oord.
The offshore substation had already been connected to TenneT’s BorWin beta offshore converter station, enabling the turbines to produce power.
TenneT made a partial grid supply possible by connecting the first of the two 155-kV export cables; a complete connection to the German high-voltage grid will occur later this year.
Deutsche Bucht is approximately 95 km to the northwest of the North Sea island of Borkum in Germany’s exclusive economic zone. The commissioning phase is due to be completed by the end of 2019. Deutsche Bucht is being built by Northland Deutsche Bucht based in Hamburg, which is 100% owned by Northland Power Inc.