1、Renewable ElectricityProcurement GuidebookEnglish EditionJanuary 2023 Contents Renewable Energy Institute publishes“Renewable Electricity Procurement Guidebook”for corporate energy users in Japan since January 2018 and revises it with the latest information every year.The 2023 edition details major

2、procurement methods of renewable electricity from On-site Generation to Corporate PPAs,Green Products and Renewable Energy Certificates with the latest examples and information on cost and availability.Key topics such as Non-fossil Certificates are also discussed.This English edition focuses on elec

3、tricity procurement methods(Chapter 3 of the Japanese edition)for global corporations operating business in Japan.Acknowledgements We would like to express our sincere gratitude to everyone who cooperated in compiling this guidebook.Author Masaya Ishida,Senior Manager,Renewable Energy Institute Disc

4、laimer 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 herein.About Renewable Energy Institute Renewable Energy Instit

5、ute 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.Masayoshi Son,Chairman&CEO of SoftBank Group Corp.,with his own resources

6、.Table of Content Renewable Electricity Procurement Methods.1 1 On-site Generation.3 Self-consumption of Solar Power.3 Solar Generation Cost Declining.5 From Self-generation to On-site PPA.6 Utilizing Surplus Electricity by Self-wheeling or Off-site PPA.7 2.Corporate PPA(Power Purchase Agreement).8