1、1Renewable ElectricityProcurement GuidebookDigest EditionVer.4,January 2021Renewable Energy Institute2“Renewable Electricity Procurement Guidebook”is revised every year for helping corporate energy users to procure renewable electricity in efficient ways in Japan.This Digest Edition is prepared in E
2、nglish for global corporate energy users to understand procurement methods available in Japan and find criteria of selection.The content covers the latest trends of Onsite Generation,Green Products,Renewable Energy Certificates and Long-term Investment(Corporate PPA)with typical examples of the lead
3、ing corporate energy users.There are issues for procuring renewable electricity in terms of cost and availability,but the situation has been improving and accelerating corporate actions.Objective and Background3Major Procurement Methods in JapanMethodDescriptionFeaturesOnsiteGenerationConstruct rene
4、wable energy power plant and consume generated electricity internally Initial investment necessary or 3rd party owned Low-cost renewable electricity secured Environmental aspects of power plant identified Risks of trouble in operationGreenProductPurchase renewable electricity from registered retaile
5、r Short-time contract available Specific power sources unidentifiable(some cases)Higher tariff than standard products(many cases)RenewableEnergyCertificatePurchase certificate derived from renewable electricity Separated from physical procurement Specific power sources unidentifiable(some cases)Addi
6、tional cost on top of electricity procurementLong-term Investment(PPA)Invest renewable energy development and receive electricity and/or attribute New renewable electricity added Retailer involved in 3-way contract for PPA Environmental aspects of power plant identified Business risks of long-term i