Task 23 research activities were divided into two sub-tasks: Experience with critical deployment issues, and Technical research for deeper water.
From 2005 to 2009, Sub-task 1 brought together more than 225 experts from 11 countries for 125 presentations during seven narrowly defined, highly technical meetings to share their experiences and plan new ways to cooperate. Although no official research efforts were begun under Task 23 Sub-task 1, the workshops informed the experts who went on to design national, corporate, and institutional research programs.
Sub-task 2 began in October 2004 to address technical issues associated with deeper-water implementation of offshore wind energy. In practice, however, the sub-task turned into a working group known as the Offshore Code Comparison Collaborative (OC3), which verified design codes for shallow, transitional, and deep-water offshore wind turbine concepts. The group investigated different support structures in separate phases of the code comparison project.
A proposal to continue the work of OC3 participants was approved by the ExCo as Annex (Task) 30 Offshore Comparison of Dynamic Computer Codes and Models in 2009. This annex engaged the members of OC3 in further studies to benchmark at least two new coupled wind turbine and substructure systems that are relevant to the wind energy industry. For more information on these activities, visit the Task 30 website.