$1.4 B wind farms project completed
50Hertz has connected the offshore wind farms Wikinger and Arkona off the island of Rügen in the German Baltic Sea to its transmission grid.
Germany: The transmission system operator 50Hertz has connected the offshore wind farms Wikinger and Arkona off the island of Rügen in the German Baltic Sea to its transmission grid just in time for their commissioning and below the originally calculated budget.
After three years of construction and a total investment volume of approximately $1.4 B (1.3 B euros), renewable energy is now flowing to the Lubmin substation during trial operation. From here it is supplied to the consumers via three 90 km long submarine cables.
The connection of offshore wind farms Wikinger and Arkona, currently the largest investment project of 50Hertz, started in 2015 and is made at the Lubmin substation. For the first time in the Baltic Sea, a grid connection was implemented as a 220 kV three phase current system, enabling a higher power transfer. Until now, the connections of offshore wind farms in the German Baltic Sea consisted of 150 kV three-phase cable systems. At the Lubmin substation, the current is transformed to 380 kV and fed into the 50Hertz transmission system.
A new foreign investor in the Baltic Sea is the Belgian company Parkwind, with the Arcadis Ost 1 project. The three wind farms with a total capacity of 730 MW will be connected to the 50Hertz grid by three cable systems. The wind farm called Ostwind 2 will run mostly in parallel with the route of Ostwind 1.
Source: Compelo Energy
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