Belgian offshore wind output falls in 2025

Belgium’s offshore wind farms in the North Sea produced less electricity in 2025 due to weaker winds, according to figures from the Belgian Offshore Platform (BOP).

Total output reached about 6.6 terawatt-hours (TWh), supplying 8.2% of Belgium’s electricity use. This was lower than in 2023, a very windy year with 8 TWh, and 2024, which saw 7.1 TWh. The drop was caused by lower wind levels, despite the wind farms operating reliably.

Belgium currently has nine offshore wind parks with a combined capacity of 2.26 gigawatts (GW). This places the country in Europe’s top five for installed offshore wind capacity, behind the UK, Germany, the Netherlands and Denmark.

Looking ahead, three new wind farms in the Princess Elisabeth Zone are planned. These could raise Belgium’s offshore wind capacity to up to 5.8 GW. BOP has called for faster progress. It noted that work on the offshore grid is already under way.

BOP said offshore wind remains a key source of affordable, locally produced renewable energy, thanks to low maintenance costs and stable, long-term power prices.

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