Giant of efficiency: VSB and Nordex Group commission 4.5 MW wind turbine
Hamburg, Pustleben, Dresden (renewablepress) - Project developer, VSB, and turbine manufacturer, the Nordex Group, today commissioned the 238.5 metre high N149/4.0-4.5 turbine in Pustleben, Thuringia, Germany. Due to its dimensions, the system is very profitable and sets standards in terms of cost-effectiveness, even at locations with medium wind speeds. The electricity generation costs of the plant are lower than those of lignite-fired power plants.
About 10 km south of the Harz, it proudly rises into the sky: the Nordex N149/4.0-4.5, with a total height of 238.5 metres, and rotor diameter of 149 metres. When planning the wind turbine, Katja Felkl, Project Developer at VSB Neue Energien Deutschland GmbH, brought all the threads together: "With the support of the community, we have found an optimal solution for citizens and locations. Roads and cable routes have also been planned in such a way that is optimal for local farmers. In addition, the N149/4.0-4.5 is not only one of the most modern and efficient onshore systems, the rotor blades also rotate on average only half as fast as those of smaller wind turbines.” Ronny Kunath, Head of Realisation at VSB, explains: “This contributes to a harmonious landscape and assists acceptance among the local residents."
Thanks to its height, the modern turbine can use higher-yielding air layers and optimally exploit the full potential of the medium wind location that is Pustleben. It has a nominal output of 4.5 MW at a wind speed of 11.5 metres per second. The optimal conditions for this turbine at exactly this location generate the highest possible annual energy yield, resulting in lower cost of energy production. As a result, the average electricity generation costs are falling and are therefore cheaper than those of lignite-fired power plants.
"With the N149 from Nordex, we are using a high-quality, state-of-the-art wind turbine, which, due to its dimensions, enables a significantly higher yield than smaller, older models. This enables us to make optimum use of wind energy at the site. Our project in Pustleben impressively proves that the development towards larger hub heights and rotor diameters makes it possible to operate wind turbines efficiently even at locations far from the coast, in central and southern Germany. This means that the conditions are in place for these regions to make an even stronger contribution to the energy transition," says Dr. Uwe Kaltenborn, Managing Director of VSB Neue Energien Deutschland GmbH.
A special feature of this system is the Ventur tower with octagonal ground plan, which is composed of precast concrete parts running conically to the height. At a height of about 104 meters, the steel tube tower segments are installed. The hybrid tower has a total combined hub height of 164 metres, upon which, the Nordex turbine nacelle type N149/4.0-4.5 sits. This new turbine will produce low-cost, clean electricity for approximately 3,800 households per year.
The wind turbine in the municipality of Mitteldorf complements the Wipperdorf wind farm, which VSB commissioned in 2017.
The VSB Group - a profile
VSB, headquartered in Dresden, Germany, is one of the leading full-service providers in the field of renewable energies. The core business lies in the international project development of wind and photovoltaic parks as well as their operational management, service and maintenance. Since 1996, VSB has built more than 600 wind energy and photovoltaic systems with around 916 megawatts of installed capacity and an investment volume of 1.3 billion Euros. The Group and its affiliates employ more than 300 people at 19 locations.
The Nordex Group - a profile
The Group has installed more than 25 GW of wind energy capacity in over 40 markets and in 2018 generated revenues of around EUR 2.5 billion. The company currently has more than 6,000 employees. The joint manufacturing capacity includes factories in Germany, Spain, Brazil, the United States, India, Argentina and Mexico. The product portfolio is focused on onshore turbines in the 2.4 to 5.X MW class, which are tailor-made for the market requirements in countries with limited space and regions with limited grid capacity.
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© VSB Holding GmbH / Nordex SE
Hamburg, Pustleben, Dresden, 04 September 2019
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