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Siemens Hands Over First North Sea Grid Connection to TenneT

Significant step in German energy transition. World's largest direct-current grid connection at 800 megawatts (MW) now in commercial operation

Siemens has handed over the first North Sea grid connection, BorWin2, to its customer TenneT. The German-Dutch transmission grid operator has accepted the project following successful completion of test runs by Siemens. Now in commercial operation, the offshore platform of the BorWin2 grid connection is located around 100 kilometers off the German coast – northwest of the island of Borkum, after which the project was named. The new grid connection allows to transmit 800 MW of clean electricity from wind power, and thus enough to supply around one million German households.

Clean Electricity For One Million Households

“This is the first offshore grid connection worldwide to take up commercial operation with efficient direct-current technology. We are proud that Siemens mastered and completed this demanding and challenging project, despite the many difficulties that working far out at sea presented”, stated Jan Mrosik, CEO of the Siemens Energy Management Division. “The BorWin2 link is a major contribution to the energy transition”, stressed Lex Hartman, member of the managing board of TenneT TSO GmbH. “The connection’s capacity of 800 megawatts is equivalent to the capacity required for supplying one million private households.”

The BorWin2 offshore platform is 51 metres wide, 72 metres long, 25 meters high and, with its base frame, weighs around 16,000 metric tonnes. Siemens installed the platform at this 39-metre-deep North Sea location back in April 2014. The Global Tech 1 wind farm, with its 80 wind turbines, is linked to BorWin2. Fifty percent of the grid connection capacity of BorWin2 is available for connection of a second wind farm.

Further Grid Connections To Follow Soon

The next three grid connections, Sylwin1, HelWin1 and HelWin2, are nearly completed and are scheduled to take up commercial operation in the first half of 2015. Siemens received its latest order for a grid connection in the North Sea, BorWin3, in a consortium with Petrofac in the spring of 2014. Commissioning of this fifth grid connection from Siemens is scheduled for 2019.
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source and further details:
www.siemens.com

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