ABB wins $1 billion order for offshore wind power connection

Zurich, Switzerland, August 2, 2011 — ABB won an order worth around $1 billion from the Dutch-German transmission grid operator TenneT to supply a power link connecting offshore North Sea wind farms to the German mainland grid.

This is the largest power transmission order in ABB's history. It will deploy an offshore high-voltage direct current system with a rating of over 900 MW, keeping electrical losses to less than 1 percent per converter station. The completed link will be capable of supplying more than 1.5 million households with clean wind-generated electricity.

ABB will design, engineer, supply and install the offshore platform, the offshore and onshore converter stations and the land and sea cable systems. ABB's innovative and environmentally friendly HVDC Light transmission technology will transport power from the 400 MW Gode Wind II and other wind farms to an offshore HVDC converter station, which will transmit the electricity to the onshore HVDC station at Dörpen on the German coast via 135 kilometers of underwater and underground cables. A converter station here will feed electricity into the mainland grid.

ABB's HVDC Light transmission technology offers environmental benefits such as neutral electromagnetic fields and compact converter stations. It is ideal for connecting remote offshore wind farms to mainland networks and overcoming distance limitations and grid constraints, while ensuring minimal electrical losses and efficient performance. The 320-kV cable voltage capacity in this latest system is the highest level used for HVDC transmission with extruded cables.

Scheduled to be operational in 2015, this offshore network will help to avoid more than three million tons of carbon dioxide emissions per year by replacing fossil-fuel based generation. Germany's installed wind power capacity of over 27 GW presently meets about eight percent of its electricity requirements. Plans are to double that by 2020.

This is the third offshore wind connection order for ABB in Germany, following the 800 MW Dolwin1 link awarded last year and previously the BorWin1 project.

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