Research was conducted to explore the potential benefits and challenges of partial decommissioning of offshore wind farms, focusing on two Dutch wind farms: Egmond Aan Zee and Prinses Amalia. The researches conducted interviews with stakeholders, including regulatory actors, wind power industry representatives, nature conservationists and academia.
In 2023, offshore wind farms in the EU had a capacity of over 30 gigawatts (GW), making them an important component of EU renewable energy infrastructure. The target is to increase to 60 GW by 2030 and to 300 GW by 2050.
The earliest installed wind farms are allready comming to the end of their plannen 20-30 year lifespan. And allthough current legislation requires complete removal, debate is ongoing over the potential advantages of partial removal and leaving some structures on the seabed.
Benefits of partial decomissioning might include reduced cost, preservation of ecosystems the have developped around the artificial structures and prevention of future seabed disturbing activies such as trawling or dredging.
The study highlights the need for clear regulations and defined liabilities, so that the best options for decommissioning can be considered in advance. However, the researchers also acknowledge that today’s preferred decommissioning methods may become obsolete, and change depending on societal attitudes and ecological findings. Inclusive decision making, involving stakeholders, can guide adaptive and holistic governance.
Source and photocredit European Comission, DG Environment