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ABB wins offshore wind connection project from TenneT

ABB has won a significant project from the Dutch-German transmission system operator TenneT to supply an AC power transmission link connecting Sandbank, an offshore wind farm in the German North Sea, to the HVDC converter station SylWin alpha.

The link will have the capacity to transmit 288 MW of clean wind power – enough to supply energy to around 300,000 German households and will replace fossil fueled generation. Once the connection is commissioned, the offshore wind farm will be able to save 1,500,000 tons of carbon dioxide emissions per year.

“Germany’s focus on renewable energy, the so-called ‘Energiewende’, together with the growing interest in using wind as an energy source in Europe provides significant opportunities for us,” said ABB CEO Ulrich Spiesshofer. “Integrating renewable wind energy efficiently and reliably helps deliver clean and affordable electricity to consumers in an environmentally sustainable way.”

“ABB has a wide range of technologies to enable this integration and has built up significant experience in this sector. We are delighted to partner TenneT once again for this project,” said Brice Koch, Head of ABB’s Power Systems division.

The connection will link the AC platform of the Sandbank offshore wind farm, situated around 90 kilometers off the island of Sylt, to the HVDC converter platform of SylWin alpha. The connection will deploy two 3-core 155 kilovolt (kV) AC submarine cables, each 36 km long. ABB has already successfully commissioned nine AC cable projects worldwide for offshore wind connections.

The design, engineering, supply and installation of the subsea cable system including two shunt reactors on the AC platform will be the responsibility of ABB. The Sandbank project is expected to be completed  in 2015 and is the fifth offshore wind connection project in Germany awarded to ABB by TenneT. Sandbank ABB is currently executing the Nordergrunde AC cable link connecting an offshore wind farm directly to an onshore substation. The other three projects are offshore wind connections based on HVDC Light technology of which BorWin1 has already been commissioned and DolWin1 and DolWin2 are under construction.

Source: ABB