ENGIE improves aerodynamic performance on V90-2.0MW fleet in Germany To improve production across 5 sites in Germany, ENGIE has partnered with Vestas to enhance the aerodynamic performance of 24 V90-2.0MW turbines. The decision to go with Vestas and the proven Aerodynamic Upgrades was an easy, says Rainer Röper, Senior Asset Manager at ENGIE. “In the market of performance upgrades, aerodynamic enhancements are some of the more technologically proven solutions. Vestas’ track record and the maturity of the Aerodynamic Upgrades gave us the confidence to invest.” Partnership based on mutual confidence Confidence in the technology and the production gains meant that ENGIE chose to upgrade all the turbines from the beginning according to Rainer Röper. “Together with Vestas, we established a common understanding of the gain potential. Vestas’ estimation tool convinced us, so we decided to upgrade all our V90-turbines to maximise our returns.” The reasoning from ENGIE is exactly why Vestas carries out rigorous testing and validation of our upgrade features. When turbines are upgraded, owners and operators need to be confident that they are actually getting a return on their investment. ”Together with Vestas, we established a common understanding of the gain potential. Vestas’ estimation tool convinced us, so we decided to upgrade all our V90-turbines to maximise our returns. ” Rainer Röper Sr. Asset Manager, ENGIE However, site-specific validation is time-consuming and would limit installation to half the turbines in the first year, effectively reducing earnings. Vestas provides accurate estimates based on site-specific data, which coupled with the field test results, establish a solid foundation for investing in Aerodynamic Upgrades across entire parks. “We trust the scientific proof behind it. And we expect our partner to deliver a realistic estimation of our return” says Rainer Röper. Highlights Sites 5 Turbines 24 Platform V90-2.0MW® Commisioned 2007-2009 Location Germany Aerodynamic Upgrade installation 2016 About ENGIE ENGIE Deutschland offers a broad portfolio from efficient energy generation to technologies for planning, building and operating building infrastructures and energy systems, to energy procurement and optimisation of energy consumption. With around 3 gigawatts of installed capacity, the ENGIE group is one of the largest operators of wind turbines in Europe and developing, constructing, operating and servicing wind farms. In Germany, ENGIE is operating 13 own wind farms as well as turbines for third parties. PowerPlusTM Case study Aerodynamic Upgrades 5
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