#Japan #Energy Storage #Nippon Chikudenchi #Digital Grid #Karatsu

Introduction

Nippon Chikudenchi Co., Ltd., in partnership with Digital Grid Co., Ltd., has announced the commencement of its energy storage facility located in Ochi Town, Karatsu City, Saga Prefecture, Japan. This new installation, named "NC Karatsu City Ochi Town Energy Storage Facility," is set to begin operations in the supply and demand adjustment market on March 27, 2026. This facility is designed to stabilize the supply of local electricity by absorbing and leveling the fluctuations in renewable energy output, marking a significant advancement in Japan's energy landscape.

Facility Overview

• - Facility Name: NC Karatsu City Ochi Town Energy Storage Facility
• - Location: Karatsu City, Saga Prefecture
• - Rated Output and Capacity: 1,988 kW; 8,146 kWh (Battery system by Daihen, with batteries supplied by CATL)
• - Supply Demand Adjustment Operation Start Date: March 27, 2026
• - Aggregator: Digital Grid Co., Ltd.

Background

As the expansion of renewable energy sources in Japan continues to grow, it has become increasingly important to address the fluctuations in power supply and demand. Energy storage systems are taking on a pivotal role by bridging the gap between generation and consumption over time. This project serves as a model case for stabilizing the energy grid and enhancing the electricity market by leveraging the collaborative roles of Nippon Chikudenchi and Digital Grid, acting respectively in project development, operation management, and aggregation services.

Nippon Chikudenchi is responsible for the overall development, operation, and on-site management of the facility, while Digital Grid employs its digital platform to support market entry into demand adjustment and aggregation services. Through this partnership, a sustainable model for electricity adjustment is being established, combining technology, operations, and market integration.

Future Prospects

Looking ahead, Nippon Chikudenchi aims to expand energy storage facilities across the nation. The company plans to establish a national energy model that links wholesale markets like JEPX, demand adjustment markets, capacity markets, and disaster prevention energy support systems. Through its collaboration with Digital Grid, Nippon Chikudenchi is committed to contributing to the reliable use of renewable energy and the realization of a decarbonized society.

Company Profiles

Nippon Chikudenchi Co., Ltd.

• - CEO: Hidekazu Urushibara
• - Location: 13th Floor, Kasumigaseki Building, 3-2-5 Kasumigaseki, Chiyoda Ward, Tokyo
• - Business: Development and operation of energy storage facilities for grid use
• - Website: Nippon Chikudenchi

Digital Grid Co., Ltd.

• - CEO: Yusuke Toyoda
• - Location: 3rd Floor, Akasaka Enokizaka Building, 1-7-1 Akasaka, Minato Ward, Tokyo
• - Business: Operation of the "Digital Grid Platform" for power and environmental value transactions, providing aggregation services for distributed power sources
• - Website: Digital Grid