Ship Photos of the Day – Ulstein Delivers First X-Stern Wind Farm Service Vessel
Norwegian shipbuilder Ulstein has delivered the first of two new offshore wind farm Service Operation Vessels to Bernhard Schulte Offshore.
The vessel is the first to feature the new X-Stern designed by Ulstein. Its name will be revealed during a ceremony on June 30.
The vessel is based on Ulstein’s SX175 design, developed to meet the demands of servicing and maintenance of offshore wind installations. Its primary task will be to provide transport and accommodation services for technicians to the Gemini Offshore Wind Park, located approximately 53 miles north of Groningen, Netherlands.
The X-STERN was first introduced in 2014 as the successor to Ulstein’s popular X-BOW hull. The X-STERN is designed so that a vessel can be positioned with the stern faced towards the weather instead of the bow, leading to improved weather resistance, greater operability and reduced power and fuel consumption while on DP mode, making it ideal for
Ulstein received the order for the vessels in January 2015 by Germany-based Bernhard Schulte through its offshore wind affiliate WINDEA Offshore, marking the first order for the X-STERN hull.
The hull of the vessel arrived at the Ulstein Verft shipyard in Ulsteinvik, Norway in January 2016 after arriving from Poland, where the two hulls were constructed.
The 600 megawatt Gemini wind farm is operated by SIEMENS Wind Power Service. Once operational in 2017, the wind farm will be able to produce enough renewable energy to power about 780,000 Dutch households.
- Vessel type: Service Operation Vessel (SOV) for offshore wind turbines
- Design type: ULSTEIN SX175
- Construction yard: Ulstein Verft AS
- Design company: Ulstein Design & Solutions AS
- Length: 88 m
- Beam: 18 m
- Deadweight: 3,150 t
- Draught (max): 6.4 m
- Speed: 13.9 knots (bow first), 12.1 knots (stern first)
- Accommodation: 60 persons Cargo deck area: 380 m2
- Dynamic positioning: IMO Class II (DYNPOS AUTR)
- Main propulsion system: Two azimuth thrusters, each driven by a frequency controlled variable speed electric motor.
- Additional thrusters: One retractable azimuth thruster, two side thrusters forward
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