First in Shiga Prefecture! Otsu City Utilizes 'Eneoku' for the Introduction of Renewable Energy Electricity
Enerbank Inc. supported Otsu City in switching 49 public facility contracts to renewable energy using the reverse auction service 'Eneoku', achieving a 23.8% cost reduction for high-voltage electricity.
📋 Article Processing Timeline
- 📰 Published: April 6, 2026 at 19:00
- 🔍 Collected: April 6, 2026 at 10:31
- 🤖 AI Analyzed: April 21, 2026 at 01:45 (351h 14m after Collected)
Enerbank Inc. (Co-founders and Representative Directors: Jogo Sato, Kenichi Muranaka, Headquarters: Chuo-ku, Tokyo) has supported the switch to renewable energy electricity for public facilities in Otsu City, Shiga Prefecture, using the electricity reverse auction service 'Eneoku'.
## What is Eneoku?
It is the only free service in Japan that supports the optimization of electricity bills for consumers, adopting a reverse auction method* as a means of selecting a new electricity contract.
Retail operators bidding can encourage unit price reductions through a system that allows unlimited rebidding while observing competitors' prices.
Eneoku is free to use, including the drafting of specifications and proposed prices. It is a service that allows the addition of renewable energy conditions, enabling the simultaneous realization of DX and GX.
(*What is a reverse auction method: A procurement method also known as a 'bidding down method', where the buyer chooses the seller in an auction format. Within a set period, bidders can present conditions as many times as they like while checking the prices presented by other companies in real-time.)
## Support Results for Electricity Procurement
1. Auction Results
[Target Facilities]
An auction targeting 49 contracts for public facilities in the city
- 23 high-voltage contracts
- 26 low-voltage contracts
[Results of the High-Voltage Auction]
(1) Starting price*1 : 49,561,305 JPY
(2) Winning bid price*2 : 37,753,880 JPY
(3) Reduction rate : 23.8%
*1. The maximum bid limit set through individual discussions between Otsu City and Enerbank. (It is not an actual spent amount)
*2. Since it is a price calculated by the retail electricity provider based on past electricity usage, it differs from the actual payment amount.
Unlike ordinary bidding where the principle is one bid per company, utilizing a reverse auction...
## What is Eneoku?
It is the only free service in Japan that supports the optimization of electricity bills for consumers, adopting a reverse auction method* as a means of selecting a new electricity contract.
Retail operators bidding can encourage unit price reductions through a system that allows unlimited rebidding while observing competitors' prices.
Eneoku is free to use, including the drafting of specifications and proposed prices. It is a service that allows the addition of renewable energy conditions, enabling the simultaneous realization of DX and GX.
(*What is a reverse auction method: A procurement method also known as a 'bidding down method', where the buyer chooses the seller in an auction format. Within a set period, bidders can present conditions as many times as they like while checking the prices presented by other companies in real-time.)
## Support Results for Electricity Procurement
1. Auction Results
[Target Facilities]
An auction targeting 49 contracts for public facilities in the city
- 23 high-voltage contracts
- 26 low-voltage contracts
[Results of the High-Voltage Auction]
(1) Starting price*1 : 49,561,305 JPY
(2) Winning bid price*2 : 37,753,880 JPY
(3) Reduction rate : 23.8%
*1. The maximum bid limit set through individual discussions between Otsu City and Enerbank. (It is not an actual spent amount)
*2. Since it is a price calculated by the retail electricity provider based on past electricity usage, it differs from the actual payment amount.
Unlike ordinary bidding where the principle is one bid per company, utilizing a reverse auction...