Renewable Electricity Procurement Guidebook2026 Edition

21 January 2026

in Japanese

Renewable Energy Institute publishes “Renewable Electricity Procurement Guidebook” for corporate energy consumers in Japan since 2018 and revises it with the latest information every year as the market and policies for renewable electricity continue to change.

This guidebook provides a detailed explanation of four types of renewable electricity procurement methods: Self-generation and On-site PPA, Off-site PPA (Corporate PPA) covering both physical and virtual, Renewable Energy Certificates, and Green Products supplied by retailers. Typical contract schemes and examples, in addition to benefits and challenges, are described for each method. The latest cost trends for procuring renewable electricity are updated based on electricity tariffs, certificate prices and power generation costs. Key considerations and requirements in procuring renewable electricity are presented in terms of environmental impact, sustainability, additionality and contributions to local community.

The English edition features on the main content of the guidebook “Renewable Electricity Procurement Methods” (Chapter 3 of the Japanese full edition) to provide a comprehensive and updated guide for global corporations operating business in Japan.

[Japanese edition]
自然エネルギーの電力を増やす:企業・自治体向け 電力調達ガイドブック 

<Table of Contents> (of the Japanese full edition)   *The English edition covers chapter 3 (marked in bold letters below)

Chapter 1. Objective and Background of the Guidebook
Chapter 2. Basics of Renewable Electricity
Chapter 3. Renewable Electricity Procurement Methods *
 3-1. Self-generation, On-site PPA
 3-2. Off-site PPA (Corporate PPA)
 3-3. Renewable Energy Certificates
 3-4. Green Products
 3-5. Key Considerations in Procurement
 3-6. Requirements for Renewable Electricity

Chapter 4. International Projects Promoting Renewable Energy
Chapter 5. Renewable Electricity Procurement outside Japan

External Links

  • JCI 気候変動イニシアティブ
  • 自然エネルギー協議会
  • 指定都市 自然エネルギー協議会
  • irelp
  • 全球能源互联网发展合作组织

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