This report was prepared as documentation for the activities in the Certification Secretariat of Wind Turbines in 2009. The secretariat has performed duties under a contract with the DEA, where the con-tents of the tasks are focused on administration of the Danish Certi-fication Scheme for Wind Turbines. The report describes the current state of deployment of wind tur-bines in Denmark and the latest developments in wind turbine in-dustry. Furthermore, the development of test areas is described. The tasks of the Secretariat has included daily administration, including ensuring the secretariat for the Advisory Committee, implementing the system of maintenance and service, development of new licens-ing rules for small wind turbines, and the approval and reviews of small wind turbines. In addition, the Secretariat and related experts from Risø participated in Danish and international standards com-mittees.