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2001 European Wind Energy Conference and Exhibition EWEA Bella Center, Copenhagen, Denmark, 2-6 July 2001 environmentally friendly power production techniques. The main impact from wind turbines was found in the production process of the wind turbines and not so much in the utilisation phase, as is the case for traditional coal and gas fired power plants. The results from that project are used as a basis for this LCA for a 2 MW offshore wind turbine. Environmental impacts from production of wind turbine divided on components 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Foundation Nacelle T ower Blades Figure 1 This LCA focuses on an offshore wind turbine and as a sample turbine for the assessment it has been chosen to apply a 2 MW wind turbine as the ones to be erected in the Horns Rev Offshore Wind Farm in the North Sea. This allowed the project group to use the data from the actual project at Horns Rev, e.g. the size of the foundation. The innovation of this project is primarily the combination of an environmental management system with the LCA tool. An LCA has previously been conducted for wind turbines, but with this new procedure for data collection the assessment is expected to be more accurate and detailed. 2.1 Description of Horns Rev Wind Farm The planned offshore wind farm at Horns Rev is used as example for the 2 MW offshore wind turbine model in this LCA. The wind farm will be established by Elsam A/S. The Horns Rev wind farm will consist of 80 2 MW Vestas offshore wind turbines. All turbines will be 3-bladed rotors placed on a tubular tower. The foundation will be monopile. The farm will be located about 15 km off the coast of BlaĚŠvands Huk. The average water depth at the site is about 10-13 meter. The wind turbines will be connected to an offshore transformer from which the electricity is transmitted via a submarine cable to the land-based transmission grid. % af total effekt Greenhouse effect Ozone depletion Acidification Photo-chemical ozone Nutritive salt impact Human toxicity Eco-toxocity Persistent toxicity Voluminous waste Hazardous waste Radioactive waste Slag and ashPDF Image | Organisations in Different Renewables
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