Standalone charging systems expand deployment options across existing and future offshore wind developments
Stillstrom by Maersk, has unveiled two new standalone charging systems aimed at addressing a critical constraint in offshore operations: the reliable provision of electric power to vessels at sea.
The newly introduced Power Hub and Power Tower are designed as standalone systems, capable of operating independently from wind turbine infrastructure. This enables more flexible deployment across both existing offshore wind farms and future developments, where demand for vessel electrification is accelerating.
As wind farms move further offshore and increase in scale, service vessels are becoming increasingly central to installation, maintenance and long-term operations. Reliable offshore power is therefore a key enabler for vessel electrification, supporting reduced reliance on maritime fuels, enhanced efficiencies and lower greenhouse gas emissions across offshore campaigns.
The launch builds on the work of Stillstrom’s R&D team, with engineers Koen Legrand and Raymond Bergmann recently recognised as Inventors of the Year 2025 by A.P. Moller – Maersk, reflecting the strength of the company’s innovation. This includes multiple patents across its offshore charging technologies, as well as pending protection for both the Power Hub and Power Tower.
“Our two new monopile systems help to address the sector’s long-standing ‘chicken and egg’ challenge, where vessel electrification and infrastructure deployment must progress in step. The Power Hub is a compact, monopile-mounted structure designed for installation within operational wind farms, enabling charging capability to be added to existing infrastructure. The Power Tower is designed for new-build offshore wind projects, with a form that mirrors a turbine foundation and allows installation using standard construction vessels, tools and processes, enabling charging to be integrated from the outset.” – Koen Legrand, Stillstrom’s Detailed Engineering Manager and co-recipient of the award
“Our mission is to eliminate vessel emissions, the largest source of CO₂ in offshore wind farm operations. Electrification of SOVs is therefore essentialif the wind industry is to meet its full decarbonisation potential. What has been missing is the infrastructure to support it at sea. These new solutions give developers and operators practical, scalable options, enabling offshore charging either fully integrated within wind farm structures or through standalone offshore installations.” – Kristian Borum Jørgensen, CEO of Stillstrom
