In a context where offshore wind energy is growing in both scale and complexity, Stillstrom, a subsidiary of Maersk, is taking a step forward in offshore charging with the launch of two autonomous systems designed for service vessels. The company aims to solve a persistent challenge: ensuring reliable power supply at sea.
Currently, the electrification of offshore vessels is advancing more slowly than the development of offshore wind farms. This gap limits emissions reduction, as vessels still rely heavily on traditional fuels during installation and maintenance operations.
Additionally, increasing distances from shore and the growing size of wind farms reinforce the need for efficient energy solutions directly at sea.
In response, Stillstrom introduces two monopile-based systems that operate independently of turbines:
On one hand, the Power Hub is designed as a compact structure installed in already operational offshore wind farms. Its function is to add offshore charging capacity without altering existing infrastructure, facilitating deployment and improving vessel operations.
On the other hand, the Power Tower is intended for greenfield projects. Its design replicates a turbine foundation, allowing the use of standard processes and equipment during installation. This makes it easier to integrate autonomous offshore charging from the early stages of wind farm development.
Thanks to these solutions, offshore vessel electrification becomes more operationally viable. The availability of energy at sea reduces reliance on fossil fuels, improves operational efficiency, and supports emissions reduction efforts.
As a result, developers gain greater flexibility to implement decarbonization strategies in their projects.
The use of monopiles represents a key technical element. This type of foundation is widely used in offshore wind farms, enabling these systems to be integrated into processes already familiar to the industry.
Moreover, this compatibility reduces costs, simplifies logistics, and accelerates the deployment of offshore charging infrastructure.
In line with its strategy, Stillstrom is expanding its portfolio to address various needs within the offshore wind sector. The company aims to position itself as a key player in the electrification of maritime operations.
It is worth noting that the development of these technologies is supported by Maersk, along with progress in intellectual property and recognition of its engineering team.
With these new solutions, offshore charging is emerging as a key component for the future of offshore wind farms. The ability to deploy infrastructure independent of turbines opens new possibilities for developers and operators.
In this way, the industry is moving toward more sustainable models, where offshore vessel electrification becomes an integral part of the energy ecosystem.
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