New method of forecasting wind energy production can save DKK millions  

2005.11.24
Risø National Laboratory, the Technical University of Denmark, the Danish Meteorological Institute, Elsam and Energi 2 have jointly developed a new method of forecasting energy production from wind turbines

Risø National Laboratory, the Technical University of Denmark (DTU), the Danish Meteorological Institute (DMI), Elsam and Energi 2 have jointly developed a new method of forecasting energy production from wind turbines. The method can reportedly save electricity suppliers and consumers millions of kroner.

In Denmark there are more than 5,000 wind turbines supplying approx. 26% of Danish power consumption. Electricity suppliers need to supplement the power from wind turbine production by buying electricity. If they buy too much, they have to sell the surplus of electricity very cheaply, and if they buy too little, they have to pay extra for it. Because of this, it is important to know the amount of power wind turbines are expected to produce, and preferably for some days ahead.

Risø National Laboratory and DTU have supplied wind energy forecasts to electricity companies for the last 10 years. The forecasts are based on meteorological data from DMI and local weather conditions. The newly developed method can also predict the uncertainty of the forecast. Gregor Giebel, senior researcher at Risø says: "The models give electricity companies good opportunities to save money". The new models can also be used to forecast the consumption of fuel in power stations. The news was reported by professional journal Ingeniøren (The Engineer).

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