DONG Energy chooses Siemens turbines for the largest offshore wind project in the world
Press Release 03-07-2015
DONG Energy has decided to make Siemens the preferred turbine supplier for the Hornsea Project One wind farm.
The Hornsea Project One wind farm is located 120km off the Yorkshire coast and covers 407 square kilometres. It is currently under development and when built, it will be the largest offshore wind farm in the world, almost double the capacity of the current record holder, London Array Offshore Wind Farm. The offshore wind farm will be able to meet the electricity needs of approximately 800,000 British households.
As preferred supplier, Siemens will supply up to 171 7.0MW wind turbines for the 1.2GW Hornsea Project One wind farm. The delivery of turbines is subject to contract signing and DONG Energy making final investment decision, which is expected in H2, 2016.
Crucial step in lowering cost of electricity
Mats Vikholm, Senior Vice President for DONG Energy Wind Power, said:
“Our decision to make Siemens the preferred supplier for our Hornsea Project One wind farm is a crucial step in our efforts to lower cost of electricity. The 7 MW turbine is an upgrade of the 6 MW platform which we know very well from Westermost Rough in the UK and Gode Wind 1+2 in Germany. Larger and more cost efficient wind turbines are key to reach our strategic target of reducing cost of electricity from offshore wind to 100 €/MWh in 2020.”
“The decision by Siemens to open new production facilities in Hull on the British east coast is a key factor in bringing down the cost of wind turbines for this project. This preferred supplier agreement will both help reduce the cost of offshore wind and create and retain real jobs in UK.”
Besides being the preferred turbine for Hornsea Project One, Siemens turbines will also be used at Race Bank and Walney Extension Phase 2, which was announced earlier in 2015.
Michael Hannibal, CEO Offshore of the Wind Power and Renewables Division at Siemens, said:
"We are very pleased that DONG Energy has once again chosen Siemens as preferred supplier for its major UK projects Walney Extension Phase 2 and Hornsea Project One offshore wind power plants. Our advanced model of our proven Direct Drive wind turbine with an output of 7 MW will leverage the energy output of these two offshore wind projects and contribute to lowering the cost of electricity. Our new factory in Hull will support these projects and further promote the growth of the UK offshore industry."
For Race Bank, DONG Energy have signed a contract with Siemens for the delivery of 91 6MW turbines with performance enhancing features resulting in a total capacity of up to 580MW. At Walney Extension phase 2 (up to 330MW) a contract has now been signed with Siemens for the 7MW turbine. The contract for Walney is subject to DONG Energy making final investment decision.
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Boskalis, VolkerWessels Bag EUR 500 Mln Veja Mate Job
Both companies have a 50% share in the contract worth approximately EUR 500 million, which covers the design, procurement, fabrication, supply, transportation, installation and testing of sixty seven foundations for the offshore wind project.
Each of the wind turbine foundations consists of an XXL monopile fabricated in Rostock (Germany) and a transition piece fabricated in Aalborg (Denmark). Following the transport from the fabrication sites to the wind farm, the monopiles will be installed with a purpose-built jack-up installation vessel supplemented by VolkerWessels and Boskalis shared equipment after which the transition pieces will be installed and flange-bolted to the monopiles.
The monopiles for the Veja Mate offshore wind farm weigh approximately 1300 tonnes and have a diameter of 7.8 meters. Volker Stevin International is responsible for the design and engineering of the permanent works and the handling tools during transport and installation of the foundations.
The fabrication works will commence in the third quarter of 2015 and offshore installation works will commence in the first quarter of 2016 with completion expected at the end of 2016.