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Germany and Estonia plan to develop a 750 km power interconnection project

The German power transmission system operator (TSO) 50Hertz, and Estonia’s TSO, Elering, have signed a Letter of Intent (LoI) to jointly develop a 750 km, hybrid submarine interconnection project which will run through the Baltic Sea and link the two countries. The 2 GW Baltic WindConnector will connect Estonia’s mainland coast to the Mecklenburg-Western Pomerania coast (north-eastern Germany) and will transport electricity generated from wind parks off Estonian Baltic Sea coast.

With a hybrid interconnector, wind parks feed their power into a transmission system that can also be used for European electricity trading, fulfilling a dual function. This will require the construction of converter plants off Estonia, where the electricity can be accumulated, converted to direct current, and then transported to Germany.

The project is part of Germany’s plan to diversify its renewable power supply in order to achieve climate neutrality by 2045 and decarbonise its industry.