1、May 2022Cost and Technology Trends for Onshore Wind Power in Japan2 Acknowledgements In compiling this report,several power plant operators provided us with technology and cost data of their plants,as well as advice regarding analysis.Although we are not able to list the names of each individual,we

2、would like to express our sincere gratitude to everyone who cooperated in this study.Part of this work was supported by JSPS KAKENHI Grant Number 20H00649 and by the German Federal Ministry for Economic Affairs and Climate Action.Authors Keiji Kimura,Senior Researcher,Renewable Energy Institute Tets

3、uo Saitou,Senior Research Fellow,Renewable Energy Institute Disclaimer Although we have taken all possible measures to ensure the accuracy of the information contained in this report,Renewable Energy Institute shall not be liable for any damage caused to users by the use of the information contained

4、 herein.About Renewable Energy Institute Renewable Energy Institute is a non-profit think tank which aims to build a sustainable,rich society based on renewable energy.It was established in August 2011,in the aftermath of the Fukushima Daiichi Nuclear Power Plant accident,by its founder Mr.Son Masay

5、oshi,Chairman&CEO of SoftBank Corp.,with his own resources.3 Table of Contents 1 Introduction.4 2 Onshore wind power technology trends in Japan.6 2.1 Summary of data.6 2.2 Trends in onshore turbine technologies.7 2.3 Capacity factor.10 3 Trends in Onshore Wind Power Costs in Japan.13 3.1 Installatio

6、n costs.13 3.2 Wind turbine costs.14 3.3 Foundation and site preparation costs.17 3.4 Electrical work and transmission infrastructure costs.19 4 Conclusion:Summary of Analysis Results and the Potential for Reducing Onshore Wind Power Costs in Japan.22 5 References.24 4 1 Introduction Problem recogni