[Nippon Chikudenchi Co., Ltd.] Operation Commenced for Grid-Connected Storage Facility "NC Karatsu City Ochi Town Storage Plant" for the Supply and Demand Adjustment Market in Karatsu City, Saga Prefecture
Nippon Chikudenchi and Digital Grid have launched their grid-connected storage facility, "NC Karatsu City Ochi Town Storage Plant," in Saga Prefecture, commencing operations for the supply and demand adjustment market on March 27, 2026. This facility absorbs renewable energy fluctuations to stabilize regional power supply and serves as a model for grid-connected battery storage, leveraging Nippon Chikudenchi's development expertise and Digital Grid's aggregation capabilities. Future plans include nationwide expansion and integration with various energy markets to achieve a decarbonized society.
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- 📰 Published: March 31, 2026 at 21:00
- 🔍 Collected: April 1, 2026 at 13:39 (16h 39m after Published)
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Nippon Chikudenchi Co., Ltd. (Head Office: Chiyoda-ku, Tokyo; President and CEO: Shuichi Urushibara; hereinafter "Nippon Chikudenchi") and Digital Grid Co., Ltd. (Head Office: Minato-ku, Tokyo; President and CEO: Yusuke Toyoda; hereinafter "Digital Grid") are pleased to announce that the grid-connected storage facility "NC Karatsu City Ochi Town Storage Plant," established in Ochi Town, Karatsu City, Saga Prefecture, commenced operations for the supply and demand adjustment market on March 27, 2026.
This facility absorbs and smooths out output fluctuations from renewable energy sources, contributing to a stable supply of regional electricity. It is positioned as a model case for supply and demand adjustment business using grid-connected storage batteries. By leveraging their respective strengths, they aim to create new value in the energy sector.
▲NC Karatsu City Ochi Town Storage Plant
Facility Details:
Facility Name: NC Karatsu City Ochi Town Storage Plant
Location: Ochi Town, Karatsu City, Saga Prefecture
Rated Output/Capacity Battery System: 1,988kW・8,146kWh DAIHEN (Battery: CATL)
Supply and Demand Adjustment Operation Start Date: March 27, 2026
Aggregator: Digital Grid Co., Ltd.
Background:
With the expanding adoption of renewable energy, adjusting fluctuations in power supply and demand has become a crucial issue for Japan's energy system. Batteries are attracting attention as entities that bridge the temporal gap between generation and consumption, serving as fundamental infrastructure supporting grid stabilization and the advancement of the electricity market.
In this project, collaboration is being carried out with the following roles:
・ Nippon Chikudenchi: Overall project development, operation, and site management.
・ Digital Grid: Aggregation utilizing the Digital Grid platform and support for market entry into the supply and demand adjustment market, etc.
This collaboration aims to establish a sustainable power adjustment model through the integrated efforts of technology, operation, and market participation.
Future Development:
Nippon Chikudenchi plans to promote the deployment of grid-connected storage power plants nationwide, aiming to establish regional energy models that integrate JEPX (Wholesale Market), the supply and demand adjustment market, the capacity market, and disaster prevention energy support. Through collaboration with Digital Grid, they will contribute to the stable utilization of renewable energy and the realization of a decarbonized society.
This facility absorbs and smooths out output fluctuations from renewable energy sources, contributing to a stable supply of regional electricity. It is positioned as a model case for supply and demand adjustment business using grid-connected storage batteries. By leveraging their respective strengths, they aim to create new value in the energy sector.
▲NC Karatsu City Ochi Town Storage Plant
Facility Details:
Facility Name: NC Karatsu City Ochi Town Storage Plant
Location: Ochi Town, Karatsu City, Saga Prefecture
Rated Output/Capacity Battery System: 1,988kW・8,146kWh DAIHEN (Battery: CATL)
Supply and Demand Adjustment Operation Start Date: March 27, 2026
Aggregator: Digital Grid Co., Ltd.
Background:
With the expanding adoption of renewable energy, adjusting fluctuations in power supply and demand has become a crucial issue for Japan's energy system. Batteries are attracting attention as entities that bridge the temporal gap between generation and consumption, serving as fundamental infrastructure supporting grid stabilization and the advancement of the electricity market.
In this project, collaboration is being carried out with the following roles:
・ Nippon Chikudenchi: Overall project development, operation, and site management.
・ Digital Grid: Aggregation utilizing the Digital Grid platform and support for market entry into the supply and demand adjustment market, etc.
This collaboration aims to establish a sustainable power adjustment model through the integrated efforts of technology, operation, and market participation.
Future Development:
Nippon Chikudenchi plans to promote the deployment of grid-connected storage power plants nationwide, aiming to establish regional energy models that integrate JEPX (Wholesale Market), the supply and demand adjustment market, the capacity market, and disaster prevention energy support. Through collaboration with Digital Grid, they will contribute to the stable utilization of renewable energy and the realization of a decarbonized society.