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Siemens to supply first 7MW turbines to Danish project following FID

By: Tom Russell 20/09/2016 Siemens

General Windfarms

The project developers of the Nissum Bredning offshore wind site have made the final investment decision to go ahead with construction.

Nissum Bredning Vindmøllelaug and Jysk Energi were awarded rights to the Nissum Bredning offshore wind site following a tender from Danish Energy Agency’s (DEA) in February for the construction of the 28MW pilot project in northern Denmark.

Siemens will supply its new 7MW direct drive wind turbine, but also a cost efficient gravity jacket foundation solution, its new 66kV voltage solution including a new transformer, cable and switchgear systems, along with further innovations regarding tower and controller settings.

The commercial aspect of the offshore wind technology to be tested in the project is expected to show a significant positive impact on the Levelized Cost of Electricity (LCoE). The DEA believes that the elements to be tested at Nissum Bredning will bring significant savings within both capital and operating costs.

Siemens’ gravity jacket foundation concept is expected to offer reduced construction costs compare to monopiles. Siemens explained that foundations generally account for approximately 20-30% of the costs of an offshore wind power project.

The four Siemens SWT-7.0-154 wind turbines will be grid connected using a new cable and turbine concept with a 66kV voltage. Siemens expects this to be the standard voltage for future offshore wind power plants and explained that the higher voltage results in lower costs for cabling and lower losses.

The project will also feature cable in pipe solutions which allow for simpler cables to potentially be used between turbines. Further material savings will be provided by the slender tower concept using prototypes of a new lightweight turbine tower especially suited for jacket foundations.

“We are proud to be part of Nissum Bredning Vind offshore wind power plant. Since the Danish Ministry of Energy tendered the project as an official test bed for new technologies and integrated design, we’ve looked forward to this exciting project,” says Michael Hannibal, CEO Offshore at Siemens Wind Power and Renewables Division. "This gives us the opportunity to simultaneously test and promote our innovations to achieve further cost reductions in offshore wind."

Nissum Bredning offshore wind power plant will get support by receiving a guaranteed feed-in tariff of DKK 0.7/kWh (EUR 0.09/kWh or GBP 0.08/kWh) for the initial 10 years for the first 50,000 full load hours of operation. Turbine installation is scheduled for summer 2017 and commissioning is expected in the third quarter of next year.

For more information, please follow the links. To view the project on our interactive map, click here.

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Siemens to supply first 7MW turbines to Danish project following FID

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