Through detailed analysis of the offshore wind industry’s marine challenges and requirements – a unique vessel has been developed. Windkeeper is a small waterplane area twin-hull (SWATH) specifically developed to minimize movement in the vessel during operation and ensuring market-leading comfort for technicians. The hull’s characteristics ensure operability second to none, with gangway performance in +4.0m Hs. Further the design ensures comfortable living spaces for 40 technicians, all in single cabins.
Windkeeper in action

Zero emissions

«Charge 2 Work»-capability will in the future allow for 100% electric operations – giving ZERO emissions. The compact design at only 57m ensures operational savings, not only financially, but also environmentally. With as little as 2.7t fuel consumption in-field, Windkeeper presents clients with the unique capability of reducing their emissions and meeting future stringent needs.

30 m

AHC Gangway

4 m Hs

Safe Workability

10-30 m

Landing height

2 t SWL

3D Lifting

300 m²


350 m²

Deck Space


Single Tech Cabins

Quality policy

Windkeeper is a service vessel provider to the offshore wind industry. Windkeeper shall be a valuable contributor to reduced Levelized Cost of Energy, lower emissions from offshore wind farms, and safety and comfort of offshore personnel.

Windkeeper builds on nearly 100 years of shipping operations and offshore experience and strives to continuously improve its QHSE performance to exceed customer requirements. This is achieved through:

  • Ensuring excellent quality of crew and shore-based staff
  • Provide customers with vessels of market leading quality
  • Actively seek customer feedback to support continuous improvement
© GC Rieber Windkeeper

Solheimsgaten 15,
55 60 67 00

© Windkeeper 2022 | Design and development by FORM

Contact us at

Windkeeper logo

tech data

Are you interested in learning more about our unique Swath vessel design? Please leave your information below and you will receive an email with the details attached.

Thank you! We have sent you an email with the technical data attached.