German Offshore Wind Farms Fed 26.1 TWh of Electricity Into Grid in 2025

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Germany’s total offshore wind power generation in 2025 amounted to 26.1 TWh, of which 20.8 TWh came from the North Sea and 5.38 TWh from the Baltic Sea, according to TenneT Germany, the transmission system operator (TSO) in charge of the country’s North Sea grid.

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With onshore wind farms contributing 106.5 TWh to the grid, Germany’s total wind energy generation was 132.6 TWh last year, TenneT Germany says.

In 2025, TenneT Germany transmitted approximately 20.8 TWh of wind energy from the North Sea to the mainland, enough to cover the annual renewable energy needs of around 6.5 million households.

While the 2025 result in terawatt-hours was on par with the figure for 2024, North Sea wind power accounted for 15.7 per cent of Germany’s total wind energy output in 2025, compared to 13.86 per cent the previous year, which represents an increase of approximately 13 per cent compared to the previous year, according to TenneT Germany.

In the German North Sea, the maximum feed-in capacity from offshore wind farms was measured at 6,543 MW on 30 December 2025.

“Europe now has the opportunity to unlock the full potential of the North Sea as a green power plant. This potential is the most important building block for a secure, independent, and energy-resilient Europe”, said Tim Meyerjürgens , CEO of TenneT Germany.