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New 2 GW cable to connect German offshore wind
1 October 2006
A 70 kilometre underground cable to take power to the German high voltage network from offshore wind farms connected to the so-called Norderney offshore cable route is being developed by a consortium comprising a number of wind developers and several district governments. The cable will start at the coastal landing point of Hilgenriedersiel and continue to Diele, near Papenburg, where it will connect to E.ON Netz's high voltage network. E.ON Netz, which fav-ours the use of overhead cables which are cheaper but take longer to get a permit for, is already investing EUR 25 million in two 950 tonne phase shifters at Diele to steer the flow of electricity into the network, say Enova Energieanlagen, one of the companies in the consortium. Initially, the consortium's cable is planned to for a 2 GW load, or to 400, 5 MW offshore turbines. Eight offshore wind projects with a combined transmission requirement of around 3 GW are planned for the Norderney connection. Construction of the consortium's 2 GW link is expected to begin next year with commissioning in 2008. Consortium partners have pilot phase plans for 288 turbines. They hope to establish an infrastructure company for the cable project before the end of this year.
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