Vattenfall Buying Majority Stakes in Two Wind Farm Projects Offshore Sweden

Vattenfall is buying the majority share in two offshore wind projects with a combined capacity of 2.8 GW located off the coast of Gothenburg, Sweden, from the wind power company Zephyr.


Once fully developed, the projects are expected to generate 10.5 TWh of fossil-free electricity annually, the Swedish energy company said.

The two wind projects, named Vidar and Poseidon, are located between 25 and 27 kilometers off the Swedish west coast, north of Gothenburg.

After the acquisition, Vattenfall’s ownership will amount to 85 per cent. Together with Zephyr, the early stage projects will be further developed and the necessary permits for establishment applied for.

Vidar and Poseidon will primarily consist of floating wind turbines, Vattenfall said.

”These two projects will add significant volume of cost-effective fossil free electricity in an area with high demand. They will also support our development of the important floating technology which is expected to reduce the environmental impact of the wind farms, as well as enable offshore energy production at sites further away from shore,” said Helene Biström, Head of Business Area Wind at Vattenfall.

Zephyr Vind, a subsidiary of the Norwegian company Zephyr, revealed plans to build the Poseidon wind farm in May 2021.

Related Article

The wind farm consists of two sites, Poseidon North, where floating wind turbines are planned to be installed, and the fixed-bottom Poseidon South zone.

Photomontage of the Poseidon offshore wind farm. Source: Zephyr

The Vidar project is located in water depths ranging from 100 metres to 300 metres and this wind farm will consist solely of floating wind turbines.

Both Poseidon and Vidar are planned to feature between 61 and 94 wind turbines with a rated individual capacity of at least 15 MW. The commissioning of the wind farms is planned for 2031.

”Zephyr is delighted to be able to continue with the development of the Poseidon and Vidar projects together with Vattenfall. There is a pressing need to ensure that new electricity generation can become a reality in southern Sweden, both for the climate and our society, which is facing a sharp increase in electricity consumption. Poseidon and Vidar, as large-scale offshore wind power projects, are in a good position to contribute significantly towards this,” said Martin Pettersen, CEO of Zephyr Renewable.

Follow on: