The world's largest wind developer, Energía Hidroeléctrica de Navarra (EHN), has developed its own 1300 kW turbine. The prototype has been running since October, producing 1.4 million kWh in its first four months under "test conditions," says EHN. Although the company considers using the turbine as a supply option for its own developments, it is not "for the time being" considering large scale production for the wholesale market. Instead, EHN says the main aim of the project is to use its own experience as developer of wind plant totalling more than 1200 turbines to design a turbine from scratch tailor-made to the company's own requirements. From the beginning this was understood to imply a machine that was adapted better than existing technology to Spain's special wind conditions. EHN also hopes to become wiser in technology and manufacturing costs in order to have clearer criteria when negotiating with suppliers, the company says. Its engineering department is working on new prototypes for other wind conditions as well, says EHN.
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Senior Renewable Energy Analyst (WindGEMINI Product Lead) DNV GL Bristol (City Centre), City of Bristol