1. European Union Council, Directive 2001/77/EC of the European Parliament and of the Council of 27 September 2001 on the Promotion of Electricity Produced From Renewable Energy Sources in the Internal Electricity Market.
2. American Wind Energy Association, Wind Power Outlook 2004, http://www.awea.org/pubs/documents/Outlook2004.pdf (retrieved March 13, 2004).
3. Y. Makarov, D. Hawkins, E. Leuze, J. Vidov, California ISO Wind Generation Forecasting Service Design and Experience, http://www.caiso.com/docs/2002/06/12/2002061211030528205.pdf (retrieved).
4. Red Eléctrica DeEspaña, Real Decreto 436/2004. Metodología para la actualización y sistematización del régimen jurídico y económico de la actividad de producción de energía eléctrica en régimen especial, http://www.ree.es/cap03/pdf/simel/RD436_2004.pdf (retrieved October 14, 2004).
5. Short-term prediction—an overview;Landberg;Wind Energy,2003