Spain joins Germany in wind farm Venture
A Baltic German-Spanish wind farm will become part of the largest offshore complex of its kind in the area, reports Tom Todd.
The Wikinger complex is located 45kms off the German island of Rügen and is an investment by Spanish energy supplier Iberdrola. It is the first offshore wind farm to be completely designed, realised and run by a Spanish company in Germany and links Iberdrola to the German electricity grid, which it calls a “strategic market”.
Construction of Wikinger, in water depths of 36-42m, has involved driving 280 Windar 40ft piles, each 2.5m wide and weighing 150 tons. The 70, 620 ton turbine foundations were built by Denmark’s Bladt Industries and at the Fene shipyard of Spain’s Navantia.
The seventy 5MW Siemens Gamesa AD 5-135 wind turbines at Wikinger are German made - in Bremerhaven and Stade - and are each of 5MW. Iberdrola said they have the highest power rating and are the biggest it has ever installed. Each turbine is 165m high with a 75m tower, a 222 ton nacelle and a 135 metre diameter rotor with three 67m long blades.
Another key piece of Wikinger infrastructure is the Andalucía offshore substation, being used jointly by Iberdrola and Germany’s 50Hertz, which operate the transmission grid in north and eastern Germany and secures electricity supplies for about 8 million people.
The overall capacity at Wikinger is put at 350MW – which officials said is about 20% of the power needs of the German federal state of Mecklenburg-Vorpommern (MV), off whose coast the new wind park lies.
At the Wikinger inauguration, MV State Energy Minister Christian Pegel stressed the significance of the new complex not only for energy development but also for its impact on local investment and maritime service industries. “Offshore wind energy has considerable employment and industrial potential for Mecklenburg-Vorpommern. Projects like Wikinger also boost the significance of the Baltic as an offshore location”, Pegel declared.
Wikinger cost €1.4bn. It will eventually be joined by two more wind farms - Baltic Eagle and Wikinger Süd – already approved by Germany. The three will form the largest offshore wind complex in the Baltic Sea with an installed capacity of 836MW and representing a total investment of €2.5bn
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