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Siemens Gamesa Engages Purus Horizon for North Sea Offshore Wind Operations

September 25, 2026 · WoREA · World of Renewables
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Siemens Gamesa has entered into a significant long-term charter agreement with Purus for the service operation vessel (SOV) known as Purus Horizon. This vessel is set to begin its operations in early 2027, focusing on supporting offshore wind operations and maintenance (O&M) activities in the North Sea region.

### Background of Purus Horizon

The Purus Horizon is notable for being one of the first-generation service operation vessels, marking its importance in the offshore wind sector. This agreement represents the second long-term charter for the vessel, which has a history of service in the offshore wind industry. Originally, the vessel was known as Edda Passat before Purus acquired it from Edda Wind in 2024.

The vessel’s first charter was with Ørsted, where it was deployed at the Race Bank offshore wind farm in the UK. This initial contract began in 2018 and lasted for five years, showcasing the vessel’s capability and reliability in supporting offshore wind operations.

### Recent Developments in Purus’ Fleet

In addition to the agreement with Siemens Gamesa, Purus has been actively expanding its fleet and operational capabilities. Earlier in the year, the company secured a five-year charter agreement for its construction service operation vessel (CSOV) named Purus Power. This vessel will be deployed at the OranjeWind offshore wind farm in the Netherlands, a joint venture between RWE and TotalEnergies. The agreement includes an option for extension and will facilitate both planned and unplanned O&M activities at the site.

### Implications for the Offshore Wind Industry

The chartering of the Purus Horizon is a strategic move for Siemens Gamesa as it seeks to bolster its operational efficiency in the North Sea, an area that is becoming increasingly vital for offshore wind energy production. The North Sea is home to numerous offshore wind farms, and the demand for reliable service vessels is paramount to ensure the ongoing maintenance and operational integrity of these installations.

As the offshore wind sector continues to grow, the role of service operation vessels like the Purus Horizon will be crucial. These vessels not only provide logistical support but also enhance the safety and efficiency of maintenance operations, which are essential for maximising energy output and minimising downtime.

### Conclusion

The long-term charter of the Purus Horizon by Siemens Gamesa underscores the ongoing commitment to advancing offshore wind energy capabilities in the North Sea. With the increasing number of offshore wind projects, the demand for specialised vessels will likely continue to rise, making agreements like this pivotal for the future of renewable energy operations in the region.

Source: Offshore Wind