Germany’s total offshore wind yield amounted to 9.04 terawatt hours (TWh) in the first half of 2018, of which TenneT transferred 8.17 TWh from the North Sea wind farms to the mainland and 50Hertz transmitted the remaining 0.87 TWh from the Baltic Sea.

According to TenneT, electricity delivered from the offshore wind farms in the North Sea in the first six months of this year increased by 5.15% compared to the first half of 2017 (7.77 TWh).

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With an addition 44.95 TWh of generated onshore wind energy, the total wind energy yield in Germany in the first half of 2018 was thus 53.99 TWh.

In the German North Sea, TenneT currently has ten offshore grid connection systems with a total capacity of 5,332 MW for transmitting wind energy from sea to land. As such, TenneT has now achieved more than 82% of the federal government’s expansion target of achieving 6,500 MW of offshore wind capacities by 2020, the transmission system operator said.

By the end of 2023, TenneT will successively complete three additional grid connection systems, which will provide 8,032 MW of transmission capacity in the North Sea.

By 2027, three more connections will be prepared by TenneT or will be pending further commissioning according to the preliminary design of the land development plan of the German Federal Maritime and Hydrographic Agency (BSH). This will increase the transmission capacity in the German North Sea to almost 11,000 MW.

The current maximum infeed performance of offshore wind farms in the North Sea reached 4,431 MW on 31 March 2018. Compared to the end of 2017, the capacity expansion of the offshore wind farms in the North Sea remained unchanged at 4,716 MW on the reporting date of 30 June 2018.