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Cemre chooses NES for twin hull SOVs

An illustration of the Windkeeper vessel

Posted on January 30, 2023

Cemre Shipyard has awarded Norwegian Electric Systems AS (NES) a contract to deliver energy design, and smart control systems for two “Windkeeper” service operations vessels (SOV) that the Turkish shipyard is building for GC Rieber Shipping.

NES’ scope of work is to manage the complete energy design plus act as system integrator for the vessels’ power system and smart control set-up. NES will supply frequency converters and electric motors for the propulsion system, battery system, transformers, main DC and AC switchboards, integrated automation system, integrated navigation system and dynamic positioning system.

“The primary purpose of tailoring the vessels’ energy design and smart control system is to meet the vessels’ strict requirements for redundancy, and in an extension of this optimised energy efficiency. In turn this translates directly to lower operating costs and emissions to air,” says sales manager at NES, Egil Bremnes.

A photo of Emre Toftar, project manager at Cemre Shipyard (left), and Egil Bremnes, sales manager at NES (right).

The unique vessel design requires a power system topology that has a high number of redundancy zones. NES, together with the GC Rieber team, have developed a game changing energy design that can be operated with a minimum of engines running. The degree of safety in combination with minimum fuel consumption is achieved by using NES portfolio of products, such as ESS, Quadro Master, Odin`s eye and smart control.

“These are highly innovative vessels, and we are delighted that Cemre Shipyard and GC Rieber Shipping have trusted NES with the task of making them as energy efficient as possible. It has been a privilege to work with both GC Rieber and Cemre on this delivery. Two highly competent companies with equal competent project teams,” Bremnes adds.

The Windkeeper SOVs are based on small waterplane area twin hull (SWATH) methodology and design, which offers the offshore wind market improved operability, ultra-low fuel consumption, and the option of fully electric operations in the field.

NES will design, assemble, and test the systems at its headquarters at Godvik outside Bergen, Norway. The company’s facilities in Egersund and Ålesund, Norway, will also support the project. Delivery of the equipment is planned for beginning of 2024.

The recently established NES office in Istanbul, Turkey, will contribute with local yard support and commissioning.

NES is a subsidiary of HAV Group ASA, which is listed on Euronext Growth Oslo.

GC Rieber Shipping is a shipowner and project house with a focus on developing profitable and sustainable maritime projects.


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