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Siemens Wind Power presents first customized wind-turbine transport vessel in Esbjerg

By Michelle Froese | December 2, 2016

Sea transportation and Roll on-Roll off-loading (Ro-Ro) are key to Siemens’ new offshore logistics concept launched in 2015. Now the company has commissioned its first specialized transport vessel, the Rotra Vente. It fulfills the needs for cost-effective transportation of the large nacelles used in Siemens’ direct-drive offshore wind turbines.

The new transport vessel is 141 meters long and will transport multiple Siemens 8-megawatt nacelles per trip. For Ro-Ro loading, a large bow door can be opened. A telescopic roof protects the nacelles from salty seawater spray and can be slid away for optional lift-on loading

Siemens’ new transport vessel is 141-m long and will transport multiple Siemens 8-MW nacelles per trip. For Ro-Ro loading, a large bow door can be opened and a telescopic roof protects the nacelles from seawater spray and can be slid away for optional lift-on loading.

The 141-meter long vessel can carry multiple 8-MW nacelles per trip and will connect Siemens’ coming manufacturing site in Cuxhaven, Germany with installation harbors in the North and Baltic Seas. Designed from a base of an existing hull of a container ship, the vessel was rebuilt for its new purpose at Holland Shipyard in Hardinxveld-Giessendam in the Netherlands.

Part of its new equipment is a large bow door that allows Ro-Ro access to the restructured cargo deck. The deck is covered by a telescopic roof to protect the nacelles from salty seawater spray during transportation.

Since the vessel’s roof can be opened, Rotra Vente’s cargo can also be loaded via cranes at harbors without a Ro-Ro ramp. With maximum flexibility of the deck, she can also handle transports of up to nine wind-tower sections per trip or three to four rotor blade sets.

Siemens and logistics partner, deugro organization, recently celebrated the delivery of the ship, together with customers and representatives of the European offshore wind industry, in the Danish harbor of Esbjerg. A sister ship is expected to be delivered in spring 2017.

“We are proud to operate Rotra Vente for Siemens, since this vessel marks a new milestone in the close cooperation we have maintained for years,” said Richard Thomsen, Managing Director of deugro. “We signed the contract for this innovative logistics concept just one year ago, and we already have one highly efficient ship operational, with a second one in the shipyard.”

Rotra Vente’s sister ship – a transporter for towers and blades – is already under construction. This vessel will accommodate up to 12 turbine rotor blades and transport them from Siemens’ production facilities in Hull, England or Aalborg, Denmark to the respective installation harbor.

“With our new Ro-Ro transport vessel Rotra Vente, we are stepping into a new era of cost-efficient offshore wind logistics,” said Michael Hannibal, CEO Offshore of Siemens Wind Power. “When our new factories in Hull, England and Cuxhaven, Germany become fully operational, and both Ro-Ro vessels are in service as interconnection of our manufacturing and installation network, we expect savings of 15 to 20% in logistics costs compared to current transport procedures. This is another important contributor reducing the cost of electricity from offshore wind.”


Filed Under: News
Tagged With: siemens
 

About The Author

Michelle Froese

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