1. European Wind Energy Association The european offshore wind industry-key trends and statistics 2011. Technical Report Brussels, Belgium 2011
2. European Network of Transmission System Operators for Electricity Draft network code on load-frequency control and reserves. Technical Report Brussels, Belgium 2013
3. Eirgrid Eirgrid grid code version 3.3: wind grid code only. Technical Report Dublin, Ireland 2009
4. Energinet Technical regulation 3.2.5 for wind power plants with a power output greater than 11 kW. Technical Report Federicia, Denmark 2010
5. Overview of wind power intermittency impacts on power systems;Albadi;Electric Power Systems Research,2010