Transmission system operator
Appears in 2 stories · Last updated Oct 22, 2026
Finished line construction on its 42-km B1 section; commissioning work continues ahead of a targeted first power flow at the end of 2026
TransnetBW has finished the 42-kilometer southern section of Ultranet, the direct-current line that will run about 340 kilometers from Meerbusch-Osterath in North Rhine-Westphalia to Philippsburg in Baden-Württemberg. The link is designed to carry up to 2 gigawatts in either direction.
Updated Oct 22
As of August 2026: Building and operating SuedLink's southern section
A tunnel boring machine named Elsa broke through under the Elbe River in June 2026, completing the single most difficult section of Germany's flagship north-south power line. Operators confirmed the 5.2-kilometer crossing between Wewelsfleth in Schleswig-Holstein and Wischhafen in Lower Saxony in August, clearing the way for high-voltage direct-current cables that will carry wind power south.
Updated Aug 25
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