Published on April 10th, 2018 | by Joshua S Hill0
World’s Most Powerful Wind Turbine Installed At Vattenfall’s European Offshore Wind Deployment Centre
April 10th, 2018 by Joshua S Hill
The world’s most powerful wind turbine, the first of two 8.8 megawatt (MW) turbines, has been successfully installed at Vattenfall’s European Offshore Wind Deployment Centre off the coast of North East Scotland, which is set to be a groundbreaking testbed for new offshore wind technologies.
The European Offshore Wind Deployment Centre (EOWDC) in Aberdeen Bay, Scotland, was conceived as a 92.4 MW, 11 turbine offshore wind test and demonstration facility. The project was initially caught up in a protracted legal battle with none other than then-real estate magnate Donald Trump — who promptly lost all legal challenges to prevent the construction of an offshore wind farm he considered would be an eyesore for members of his nearby Trump International Golf Club.
Since then, however, progress has proceeded rapidly, and the hopes of many have come to fruition with the creation of a next-generation testbed for new offshore wind technologies, such as the recently demonstrated suction bucket jacket foundations — which I maintain are cooler than they sound. Supported by the massive 25,000 tonne Asian Hercules III floating crane (seen below), the foundations for the EOWDC are being installed using a new method of securing the massive towers to the seafloor that is faster, more environmentally friendly and quiet, and much easier to uninstall if and when necessary.
Now, the next phase of construction has resulted in the installation of one of two wind turbines which have been specifically enhanced to increase their output by modifying their internal power modes. Specifically, the two turbines have been increased from 8.4 MW to 8.8 MW, which in turn increases EOWDC’s output to 93.2 MW, and as such it will generate 70% of Aberdeen’s domestic electricity demand while displacing 134,128 tonnes of CO2 annually. This is the first time an 8.8 MW wind turbine has been installed for commercial application.
It might not sound a lot — an increase of 0.4 MW — but the EOWDC is intended to serve as a demonstration facility, first and foremost, and testing the application of these incremental increases to wind turbine output could yield significant benefits. Two wind turbines modified such may only increase overall output by 0.8 MW, but a wind farm made up of 100 of these turbines would benefit from a 40 MW increase, simply by modifying existing turbines.
“The turbines for the EOWDC, Scotland’s largest offshore wind test and demonstration facility, help secure Vattenfall’s vision to be fossil fuel free within one generation,” said Gunnar Groebler, Vattenfall’s Head of Business Area Wind. “The EOWDC, through its innovative approach to cost reduction and pioneering technologies, leads the industry drive towards generating clean and competitive wind energy power – one that will reinforce Scotland’s global energy status.”
The V164-8.4 MW and V164-8.8 MW wind turbines were manufactured and modified by MHI Vestas, and have an enormous tip height of 191 meters, with 80 meter blades.
“The first turbine installation is a significant achievement and credit to the diligence and engineering know-how of the project team and contractors,” added EOWDC project director at Vattenfall, Adam Ezzamel. “For it to be one of the 8.8MW models makes it an even more momentous moment because it further endorses the EOWDC as a world-class hub of offshore wind innovation.
“We are very excited by the cutting-edge technology deployed on all the turbines and it is remarkable that just one rotation of the blades can power the average UK home for a day.”
The news was unsurprisingly met with appreciation from UK environmental groups as well.
“Scotland is home to approximately 25% of Europe’s offshore wind resource and projects like Vattenfall’s European Offshore Wind Deployment Centre in Aberdeen promise to harness this potential on a massive scale,” said Stephanie Conesa, Policy Manager at Scottish Renewables. “This ground-breaking facility leads Aberdeen’s ongoing transition from fossil fuels to renewables, and reinforces Scotland’s global energy status.
“As the windiest country in Europe with some of the deepest waters, we should be proud of Scotland’s burgeoning offshore wind industry,” Conesa added. “With many more promising offshore wind sites on our doorstep, we hope to see similar facilities deployed in Scottish waters in future so we can fully utilise our country’s natural resources.”
“The installation of the first of these powerful turbines at Aberdeen Bay is another milestone in Scotland’s renewables story,” added Gina Hanrahan, Acting Head of Policy at WWF Scotland. “Offshore wind, which has halved in cost in recent years, is critical in the fight against climate change, helping to reduce emissions, keep the lights on and create thousands of jobs across the Scotland and the UK.
“Developments like this have an important role to play in securing the Scottish Government’s target to meet half of all Scotland’s energy demand from renewables by 2030.”
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