The Dutch Energy Research Centre (ECN) is to install five Nordex 2.5 MW turbines at its test site in Wieringermeer, Noord Holland at a cost of some EUR 11 million. ECN will use the five units to conduct tests on wind farm performance, including wake effects, optimum control of individual machines, yield optimisation and bird interaction as part of its ongoing R&D program. Nordex was selected on the basis of the price of its machines and its enthusiasm to partner ECN, says Wim Stam, site manager. In addition to its research function, the 12.5 MW plant will be a fully commercial venture. The EUR 11 million price tag includes installation and five years maintenance. With average wind speeds of 7.6 m/s at 80 metres, output should be 32 million kWh a year, enough to meet the needs of 8000 Dutch households. It will be sold to power company Eneco for resale under the company's green power label. The plant is expected online in late November.
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