Welcome to IEA Wind Member Country Activities for
the Netherlands 2011

Total Dutch installed capacity has increased last year by 5.5% from 2,245 MW to 2,368 MW. The contribution of wind at sea capacity remained unchanged at 228 MW. With this capacity a year overall average production of 4.18% of the national electric demand was reached. 2011 was more or less a standard wind year. In the Netherlands it is common to correct the annual production with a windex based on a ten years average (1996-2005). EU regulation nowadays requests corrections based on a five years average. According to Dutch methodology the windex (2011) was 0.96 meaning the wind was slightly less than average in the years 1996-2005 in the Netherlands. According to the EU methodology the windex (2011) was 1.076, meaning the wind in 2011 was 7.6% more than the last five years in the Netherlands.

Normalised at the mentioned ten years windex, the wind energy production increased from 5.19 TWh (2010) to 5.31 TWh (2011). Although offshore turbines cover ~10% of the total installed capacity, the production from wind offshore is around 16% of the total wind energy production.