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  • Report - Combined Wind Resource Assessment (WRA 1 and WRA 2) Hollandse Kust (zuid) WFZ - Ecofys

Report - Combined Wind Resource Assessment (WRA 1 and WRA 2) Hollandse Kust (zuid) WFZ - Ecofys

This report describes two assessments of the offshore wind climate for the Hollandse Kust (zuid) Wind Farm Zone in the Dutch North Sea. 

The assessments are based on the combined use of offshore wind measurements and mesoscale model data. The Offshore Windpark Egmond aan Zee (OWEZ) met mast data forms the basis of the first wind resource assessment (WRA 1).  The extrapolation is based on the EMDConWx mesoscale model. A second wind resource assessment (WRA 2) was commissioned following a 12-month on-site floating LiDAR campaign. Wind measurements from the Lichteiland Goeree platform are selected as the long-term reference.

The results of the two wind resource assessments differ only slightly. Also, the uncertainty of both assessments is comparable. Since the calculations are largely independent, the two results may be combined based on inverse-variance weighting.

Please note the invitation  for a webinar on this combined wind resource assessment. This webinar will take place on Friday 10th of November, 15:30 hrs CET.