For the development, exploitation and eventual removal of the Offshore Windpark Egmond aan Zee (OWEZ) diverse licences are necessary. All necessary licences for the OWEZ were issued.

Technology and Innovation


The Technology research focuses on efficiency and cost reduction of offshore wind energy.

Performance data


As part of Operations you can find all reports with regards to the performance of the Offshore Windpark Egmond aan Zee.

Biodiversity and ecosystem

Ecology & Environment

Under Ecology & Environment you can find the reports regarding the research on possible impacts of the offshore wind farm on ecology and environment.

Air and atmosphere

Weather data

Below the monthly wind data are published from the period between July 2005 and December 2010, as well as the description of how the weather data were collected.

windturbine dichterbij gezien met shell-logo erop

Research and development

Reports & data

The studies focus on the local impacts of the wind farm above and underneath the water, but also on the surroundings of the wind farm. The total research programme started during the construction in 2006 and ran until 2012 and has resulted in research about the consequences of the wind farm for the local environment. These studies were executed by independent research institutes. The reports and datafiles are divided between the different themes below.