RE100 Denryoku Signs Aggregation Service Agreement with Yamaguchi Jumiki for Grid-Scale Battery Systems
Key facts
- RE100 Denryoku Signs Aggregation Service Agreement with Yamaguchi Jumiki for Grid-Scale Battery Systems
- RE100 Denryoku has entered into a grid-scale battery aggregation service agreement with Yamaguchi Jumiki. RE100 Denryoku will manage market operations and strategic planning for the battery assets, aiming to optimize earnings and stabilize the power grid. Two battery storage facilities in Yamaguchi Prefecture are scheduled for operation starting in July 2026.
- Source: PR Times
- Date: June 8, 2026
Direct answer
RE100 Denryoku has entered into a grid-scale battery aggregation service agreement with Yamaguchi Jumiki. RE100 Denryoku will manage market operations and strategic planning for the battery assets, aiming to optimize earnings and stabilize the power grid. Two battery storage facilities in Yamaguchi Prefecture are scheduled for operation starting in July 2026.
- Citation
- RE100 Denryoku Signs Aggregation Service Agreement with Yamaguchi Jumiki for Grid-Scale Battery Systems (June 8, 2026), PR Times
- Source
- PR Times
- Date
- June 8, 2026
RE100 Denryoku has entered into a grid-scale battery aggregation service agreement with Yamaguchi Jumiki. RE100 Denryoku will manage market operations and strategic planning for the battery assets, aiming to optimize earnings and stabilize the power grid. Two battery storage facilities in Yamaguchi Prefecture are scheduled for operation starting in July 2026.
📋 Article Processing Timeline
- 📰 Published: June 8, 2026 at 18:00
- 🔍 Collected: June 8, 2026 at 09:21
- 🤖 AI Analyzed: June 8, 2026 at 09:39 (17 min after Collected)
RE100 Denryoku Co., Ltd. (Headquarters: Chuo-ku, Tokyo; President: Yudai Konishi; hereinafter "RE100 Denryoku") announces that it has signed an aggregation service agreement with Yamaguchi Jumiki Sales Co., Ltd. (Headquarters: Kudamatsu City, Yamaguchi Prefecture; President: Kazumi Kohama; hereinafter "Yamaguchi Jumiki") regarding grid-scale battery storage equipment.
Under this agreement, RE100 Denryoku will act as an aggregator, managing market operations and developing and executing operational strategies for the grid-scale battery projects promoted by Yamaguchi Jumiki. By maximizing the value of the battery storage assets, the company aims to enhance business profitability while simultaneously contributing to the stability of the entire power system.
As the power market environment undergoes significant changes, grid-scale battery storage is expected to serve as vital infrastructure supporting the transition of renewable energy into a primary power source. Leveraging its expertise in power trading and supply-demand operations, RE100 Denryoku will support efficient battery asset utilization, thereby contributing to a decarbonized society and the development of the energy market.
Yamaguchi Jumiki provides sales and services for industrial machinery and equipment, based in Yamaguchi Prefecture. As a long-standing partner supporting regional industrial development, it has provided various equipment installations and maintenance services. In recent years, it has strengthened its focus on decarbonization and the energy sector, contributing to a sustainable society through its grid-scale battery storage business.
Going forward, the two companies will strengthen their collaboration to contribute to power grid stability and the expansion of renewable energy through the effective utilization of grid-scale batteries, while creating new value in the energy field and advancing efforts toward a decarbonized society.
[Overview of Grid-Scale Battery Stations]
- Locations: Hagi City, Yamaguchi Prefecture / Shimonoseki City, Yamaguchi Prefecture
- AC Capacity: 1.99MW (each)
- DC Capacity: 8.128MWh (each)
- Scheduled Operation: July 2026 (Hagi), October 2026 (Shimonoseki)
Under this agreement, RE100 Denryoku will act as an aggregator, managing market operations and developing and executing operational strategies for the grid-scale battery projects promoted by Yamaguchi Jumiki. By maximizing the value of the battery storage assets, the company aims to enhance business profitability while simultaneously contributing to the stability of the entire power system.
As the power market environment undergoes significant changes, grid-scale battery storage is expected to serve as vital infrastructure supporting the transition of renewable energy into a primary power source. Leveraging its expertise in power trading and supply-demand operations, RE100 Denryoku will support efficient battery asset utilization, thereby contributing to a decarbonized society and the development of the energy market.
Yamaguchi Jumiki provides sales and services for industrial machinery and equipment, based in Yamaguchi Prefecture. As a long-standing partner supporting regional industrial development, it has provided various equipment installations and maintenance services. In recent years, it has strengthened its focus on decarbonization and the energy sector, contributing to a sustainable society through its grid-scale battery storage business.
Going forward, the two companies will strengthen their collaboration to contribute to power grid stability and the expansion of renewable energy through the effective utilization of grid-scale batteries, while creating new value in the energy field and advancing efforts toward a decarbonized society.
[Overview of Grid-Scale Battery Stations]
- Locations: Hagi City, Yamaguchi Prefecture / Shimonoseki City, Yamaguchi Prefecture
- AC Capacity: 1.99MW (each)
- DC Capacity: 8.128MWh (each)
- Scheduled Operation: July 2026 (Hagi), October 2026 (Shimonoseki)
FAQ
ＲＥ１００電力と山口住機販売の契約内容は？
系統用蓄電池設備に関するアグリゲーション業務代行契約です。ＲＥ１００電力が蓄電池のアグリゲーターとして市場取引や運用戦略の策定・実行を担います。
系統用蓄電池の運用開始時期は？
山口県萩市の蓄電所は2026年7月、下関市の蓄電所は2026年10月の運用開始を予定しています。
各蓄電所の規模は？
萩市・下関市ともにAC容量は1.99MW、DC容量は8.128MWhです。
ＲＥ１００電力の役割は？
電力取引や需給運用の専門知見を活用し、蓄電池アセットの効率的な運用を支援することで事業収益の向上と電力システムの安定化を図ります。
山口住機販売の事業概要は？
産業機械や設備機器の販売・保守サービスのほか、近年は脱炭素化や再生可能エネルギー・蓄電池関連事業を強化しています。