#Japan #Energy Storage #Nippon Chikudenchi #Digital Grid #Yanai City

Nippon Chikudenchi's New Energy Storage Facility

Nippon Chikudenchi Co., based in Chiyoda City, Tokyo, recently announced the operational launch of its system-connected energy storage facility, NC Yanai City Enzaki Raktan Storage Station, starting September 7, 2026. This facility, located in Yanai City, Yamaguchi Prefecture, is crucial in addressing the increasing challenges of power supply and demand adjustments caused by the rise of renewable energy. It will serve as a model case for demand adjustment projects utilizing system-connected batteries.

Facility Overview

• - Facility Name: NC Yanai City Enzaki Raktan Storage Station
• - Location: Yanai City, Yamaguchi Prefecture
• - Rated Output/Capacity of Battery System: 1,988kW / 8,146kWh
• - Battery Provider: TMEIC (Battery: CATL)
• - Start Date for Demand Adjustment Operation: September 7, 2026
• - Aggregator: Digital Grid Co., Ltd.

The newly established facility plays a significant role in smoothing out output fluctuations from renewable energy sources, thereby contributing to the stable supply of electricity in the region. By collaborating with Digital Grid, which specializes in supporting market entry and aggregation services, Nippon Chikudenchi aims to leverage strengths from both companies to create new value in energy utilization.

Background Insights

As Japan continues to expand the use of renewable energy, managing fluctuations in supply and demand has become a crucial issue within the energy system. Energy storage batteries are being spotlighted as an essential infrastructure that bridges the temporal gap between energy generation and consumption, thus stabilizing the grid and enhancing the electricity market’s sophistication.

In this project, Nippon Chikudenchi is responsible for overall development, operations, and site management, while Digital Grid provides support for market entry by utilizing its advanced aggregation platform. This collaborative endeavor is paving the way for establishing a sustainable power adjustment model using a triad approach focusing on technology, operations, and market strategies.

Future Developments

Looking ahead, Nippon Chikudenchi plans to expand its network of system-connected storage facilities across Japan. The company aims to establish a comprehensive regional energy model that integrates various markets: JEPX (Wholesale Market), demand adjustment market, capacity market, and disaster energy support services. Through this partnership with Digital Grid, Nippon Chikudenchi is committed to contributing to the stable utilization of renewable energy and the realization of a decarbonized society.

Company Profiles

Nippon Chikudenchi Co., Ltd.

• - CEO: Hideshi Urushi
• - Location: Kisarazu Building 13F, 3-2-5 Kasumigaseki, Chiyoda, Tokyo
• - Business Focus: Development and operation of system-connected energy storage facilities
• - Website: nipponchikudenchi.co.jp

Digital Grid Co., Ltd.

• - CEO: Yusuke Toyoda
• - Location: 3F Akasaka Enzaka Building, 1-7-1 Akasaka, Minato, Tokyo
• - Business Focus: Operating the “DGP” platform for electric power and environmental value trading, providing aggregation services for decentralized power sources
• - Website: digitalgrid.com