Sakura City Leads the Way in Renewable Energy Procurement
In a groundbreaking move for Chiba Prefecture, Sakura City has made a significant transition by switching all public facilities to 100% renewable energy. This landmark achievement not only addresses environmental concerns but also sets a precedent for other municipalities in Japan. The change, spearheaded by Enerbank, a company known for its innovative energy procurement solutions, utilized their reverse auction service, known as "EneOku." This service enabled the city to select retail electricity providers more efficiently, thus optimizing their energy procurement process.
The transition, effective from April 2023, covers 54 facilities, including Sakura City Hall and various elementary and junior high schools. The adoption of renewable energy in public facilities is a first for Chiba Prefecture, showcasing the city’s commitment to sustainable practices and carbon reduction. This initiative is aligned with the city’s broader goal of becoming a zero-carbon city by 2050.
The Impact of the Transition
The decision to utilize EneOku resulted in substantial cost savings and a remarkable reduction in greenhouse gas emissions. According to estimates, the electricity costs for the fiscal year are projected at approximately 235 million yen, down from an estimated 295 million yen under standard pricing models offered by Tokyo Electric Power Company, demonstrating a savings of around 60 million yen — a 20% reduction. More importantly, the introduction of renewable energy is anticipated to decrease greenhouse gas emissions by approximately 3,500 tons of CO2, based on current emission factors.
EneOku differs from traditional bidding processes by allowing multiple bids for a single project, enabling retail electricity providers to compete more aggressively. This competition helps secure better pricing for renewable energy deals, making it more accessible for municipalities like Sakura City.
Support from Enerbank
Sakura City officials have expressed gratitude for the comprehensive support provided by Enerbank throughout the procurement process. The collaboration included drafting specifications and analyzing data necessary for renewable energy procurement, all provided free of charge. These efforts alleviated significant burdens associated with energy procurement, ultimately leading to enhanced efficiency within the municipality’s operations.
A representative from the Sakura City Office highlighted the challenges in the complex energy pricing structures, which have made traditional procurement difficult. However, the reverse auction strategy employed in their recent initiative not only facilitated the acquisition of renewable energy but also yielded reduced costs, making the transition to cleaner energy feasible.
Future Prospects
While renewable energy typically comes at a higher cost, Sakura City plans to continue using the EneOku reverse auction model to ensure equitable pricing. By closely observing bid prices from other companies during the auction process, the municipality aims to secure competitive rates for renewable energy.
With rising energy prices adding layers of complexity to electricity billing systems, the need for efficient energy procurement practices is more critical than ever. Enerbank’s digital solutions stand to play a pivotal role in this landscape, assisting municipalities in navigating the turbulent energy market.
The collaboration does not stop at Sakura. Enerbank is committed to working alongside various municipalities across Japan, enhancing efforts to achieve a zero-carbon future through continued support from services like EneOku and green ticket initiatives.
For further information on how municipalities can implement zero-carbon initiatives, Enerbank has dedicated resources available on their website. Interested parties can access pertinent information for local government officials, electricity retailers, and private businesses looking to explore renewable energy options.
Company Overview
Enerbank, established in July 2018, is based in Chiyoda, Tokyo. The organization specializes in developing and managing electricity auction systems, operating platforms for environmental value trading, and providing digital concierge services for energy procurement and decarbonization efforts. With leadership comprised of industry experts, Enerbank is dedicated to fostering sustainable practices in energy consumption across all sectors.
For more information, visit
Enerbank's official website.