Nippon Chikudenchi Co., Ltd.: Grid-Connected Battery Storage Facility "NC Takayama Kukuno-cho Power Storage Station" in Kukuno-cho, Takayama City, Gifu Prefecture, Commences Operations for Supply-Demand Adjustment Market

Nippon Chikudenchi Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; Representative Director and President: Hidekazu Urushibara; hereinafter "Nippon Chikudenchi") and Digital Grid Corporation (Headquarters: Minato-ku, Tokyo; Representative Director, President & CEO: Yusuke Toyoda; hereinafter "Digital Grid") are pleased to announce that the grid-connected battery storage facility "NC Takayama Kukuno-cho Power Storage Station," installed in Kukuno-cho, Takayama City, Gifu Prefecture, has commenced operations for the supply-demand adjustment market as of May 12, 2026.

This facility is designed to absorb and smooth out fluctuations in renewable energy output, contributing to the stable supply of regional electricity. It is positioned as a model case for grid-connected battery storage projects involved in supply-demand adjustment. Leveraging their respective strengths, both companies are committed to creating new value in energy.

[Facility Overview] Facility Name: NC Takayama Kukuno-cho Power Storage Station Location: Kukuno-cho, Takayama City, Gifu Prefecture Rated Output/Capacity: 1,988kW・8,146kWh Battery System: TMEIC (Batteries: CATL) Start Date of Supply-Demand Adjustment Operation: May 12, 2026 Aggregator: Digital Grid Corporation

With the widespread adoption of renewable energy, managing fluctuations in electricity supply and demand has become a critical challenge for Japan's energy system. Batteries are drawing attention as a means to bridge the temporal gap between generation and consumption, serving as foundational infrastructure that supports grid stabilization and the sophistication of electricity markets.

In this project, collaboration is conducted with the following roles: ・Nippon Chikudenchi: Overall project development, operation, and on-site management. ・Digital Grid: Aggregation utilizing the Digital Grid platform and support for market entry, including the supply-demand adjustment market.

This collaboration achieves the construction of a sustainable power adjustment model through a three-pronged approach encompassing technology, operation, and market.

[Future Developments] Nippon Chikudenchi plans to promote the deployment of grid-connected power storage stations nationwide, aiming to establish regional energy models that integrate JEPX (wholesale market), the supply-demand adjustment market, the capacity market, and disaster prevention energy support. Through collaboration with Digital Grid, the company will contribute to the stable utilization of renewable energy and the realization of a decarbonized society.

[Company Overviews] ■ Nippon Chikudenchi Co., Ltd. Company Name: Nippon Chikudenchi Co., Ltd. Representative: Hidekazu Urushibara, Representative Director and President Location: 13th Floor, Kasumigaseki Building, 3-2-5 Kasumigaseki, Chiyoda-ku, Tokyo Business: Development and operation of grid-connected battery storage facilities URL: https://nipponchikudenchi.co.jp

Digital Grid Corporation Company Name: Digital Grid Corporation Representative: Yusuke Toyoda, Representative Director, President & CEO Location: 3rd Floor, Akasaka Enokizaka Building, 1-7-1 Akasaka, Minato-ku, Tokyo Business: Operation of "DGP," an electricity and environmental value trading platform, and provision of aggregation services for distributed power sources. URL: https://www.digitalgrid.com/