Tokyo Area Renewable Energy Joint Purchase Project
In a bid to achieve a carbon-neutral society by 2050, Enebank Co., Ltd., co-founded by Jo Sato and Kenichi Muranaka, is launching a joint renewable energy purchasing project with 27 municipalities in the Tokyo metropolitan area. This initiative will enable consumers to procure renewable energy at a lower cost through a reverse auction system while making strides towards local decarbonization.
Project Overview
The Tokyo Area Joint Renewable Energy Purchasing Project aims to decrease energy costs and promote the use of renewable energy through collective purchasing. By combining the purchasing power of various businesses, participants can secure renewable energy at reduced rates compared to individual purchases. From July 1, 2025, the project will welcome new participants to join this effort aimed at achieving a carbon-neutral society.
This project involves collaborative work with major cities and prefectures in the Tokyo area, including Saitama, Chiba, Tokyo, Kanagawa, Yokohama, Kawasaki, Chiba City, Saitama City, and Sagamihara City, among others. Each municipality is working together to facilitate the transition to cleaner energy options.
Involvement and Eligibility
Businesses located in the Tokyo area can join the project, regardless of whether their operations extend outside the listed municipalities. This flexibility allows for broader participation and enhances collective strength towards achieving sustainability goals. For those interested, more details can be found on the project’s dedicated website at
Enebank.
Moreover, municipalities involved in this project are offering incentives such as renewable energy certifications and subsidies for businesses purchasing renewable energy.
Achievements of the Project
Enebank has successfully conducted a renewable energy auction in 2024, enabling all participating businesses to transition to 100% renewable energy sources. This transition has resulted in substantial cost savings, achieving an average reduction of 18.4% for high-voltage contracts and 13.7% for low-voltage contracts.
Background and Goals
In October 2020, the Japanese government declared its intention to achieve net-zero greenhouse gas emissions by 2050. As part of this vision, there is increasing pressure on companies to significantly reduce emissions and incorporate renewable energy into their operations. However, the journey to integrating clean energy often comes with barriers, including high initial investments and the challenges of selecting optimal energy plans.
Rising global oil and fuel prices since 2022 have further compounded these issues, stressing many small and medium enterprises (SMEs). Though energy prices are gradually stabilizing, the need to balance cost management with effective environmental strategies remains paramount.
Many companies lack the resources or expertise to regularly reassess their energy contracts, contributing to the challenges around implementing eco-friendly initiatives. The Tokyo Area Joint Renewable Energy Purchasing Project addresses these concerns by providing a structured approach for local businesses to collaborate and lower their costs for cleaner energy solutions.
Benefits of Joining the Project
Cost Savings: The collective purchasing strategy creates economies of scale, enabling businesses to buy renewable energy at a lower price.
Environmental Impact: By selecting renewable energy options that do not emit greenhouse gases, participants contribute positively to environmental conservation efforts.
Enhanced Corporate Value: Cultivating a green corporate image bolsters social responsibility (CSR) efforts, underpinning a sustainable business model that heightens competitive advantage.
Digital Transformation: The entire process is conducted online, simplifying the transition to renewable energy for all businesses involved.
High Reliability: As a project led by municipalities, participants can trust the initiative’s credibility and structure.
Enebank is committed to supporting businesses in their decarbonization journeys and lowering costs through its innovative digital solutions. We encourage potential businesses to consider joining this transformative project today.
Further Information
To watch an introduction video and apply for one-on-one consultations, visit
Consultation Application. The participation fee is free of charge.
Contact Us
For inquiries regarding renewable energy procurement, you can reach out through various channels:
Company Overview
- - Company name: Enebank Co., Ltd.
- - Key Executives:
- Kenichi Muranaka, Co-founder & CEO
- Jo Sato, Co-founder & COO
- Daisuke Sekine, Director & CTO
- - Location: 2-1-17 Nihonbashi, Chuo-ku, Tokyo, 103-0027, Japan
- - Established: July 2018
- - Phone: 03-6868-8463
- - Business Areas:
- Development and management of energy auction systems
- Operation of environmental value trading platforms
- Green power certificate issuance
- Matching for solar power installations
- Digital concierge services for energy procurement and decarbonization