KETEP 세계에너지시장정보

Disclaimer ....................................................................................................................................... ii 

Authors ........................................................................................................................................... iii 

Acknowledgments.......................................................................................................................... iii 

List of Acronyms ............................................................................................................................ v 

Executive Summary ....................................................................................................................... vi 

List of Figures ............................................................................................................................... xii 

List of Tables ................................................................................................................................ xii 

1 Introduction ............................................................................................................................. 1 
 1.1 Purpose ............................................................................................................................. 2 
 1.2 Background ...................................................................................................................... 2 
 1.3 Roadmap Development Process ....................................................................................... 8 
 1.4 Top O&M Challenges ...................................................................................................... 9 
 1.5 Roadmap Structure ......................................................................................................... 11 

2 Development of Offshore Wind Energy in the United States ............................................... 12 

3 Components .......................................................................................................................... 13 
 3.1 Blades ............................................................................................................................. 13 
 3.2 Hub and Nacelle ............................................................................................................. 20 
 3.3 Structure and Foundation ............................................................................................... 27 
 3.4 Balance of Plant ............................................................................................................. 37 

4 Cross-Cutting Areas of Research and Development ............................................................ 41 
 4.1 Digitalization .................................................................................................................. 43 
 4.2 Robotics and Automation ............................................................................................... 44 
 4.3 Prognostics and Health Management, and O&M Optimization .................................... 45 
 4.4 Experimentation and Demonstration Facilities .............................................................. 48 
 4.5 Standards and Recommended Practices ......................................................................... 49 
 4.6 Design Optimization Considering Reliability and O&M ............................................... 49 

5 Recommended Actions ......................................................................................................... 51 
 5.1 Short Term (Now−3 Years)............................................................................................ 53 
 5.2 Medium Term (~4−7 Years) .......................................................................................... 55 
 5.3 Long Term (~8−12 years) .............................................................................................. 56 

6 Conclusion ............................................................................................................................ 58 

References ..................................................................................................................................... 59 

Appendix A. Guiding Interview Questions .................................................................................. 73