SINEXCEL’s First 2MW/8MWh Battery Storage Project Enters Japan’s Frequency Regulation Market for Trading

July 12, 2026

Taiwan News Japan

Overview

SINEXCEL announced that its battery energy storage system (BESS) project, the first to enter Japan’s frequency regulation market, officially began market trading in June 2026. This 2MW/8MWh system, located in Matsusaka City, Mie Prefecture, marks a significant milestone for SINEXCEL’s entry into grid-scale energy storage applications in Japan. The company has already participated in over 60 utility-scale energy storage projects through collaborations with Japanese power companies and integration with local EMS platforms, contributing to grid stabilization and renewable energy integration in Japan.

In Depth

Key Findings

SINEXCEL has announced that its battery energy storage system (BESS) project has officially commenced market trading within Japan’s frequency regulation market in June 2026. This project represents one of the inaugural entries into Japan’s new frequency regulation market, with a system boasting 2 megawatts (MW) of power output and 8 megawatt-hours (MWh) of energy capacity, located in Matsusaka City, Mie Prefecture. For SINEXCEL, this signifies a crucial milestone in its strategic expansion into Japan’s grid-scale energy storage market.

Technical Details

The 2MW/8MWh BESS integrates advanced power electronics and an energy management system (EMS) to provide instantaneous and high-precision frequency regulation capabilities for Japan’s power grid. Frequency regulation is an essential service for maintaining the balance between electricity supply and demand, directly impacting power quality and grid stability. SINEXCEL’s system, leveraging proprietary control algorithms and rapid response times, enables millisecond-level power output adjustments, playing a vital role in absorbing fluctuations from renewable energy sources. The company has established close collaborations with major Japanese power utilities and achieved seamless integration with local EMS platforms, ensuring efficient operation in this complex market.

Background & Context

Japan is accelerating its adoption of renewable energy to achieve its 2050 carbon neutrality target, and ensuring grid stability during this transition is a pressing concern. The large-scale integration of intermittent renewable energy sources, such as solar and wind power, can affect grid frequency stability. To address this, Japan has reformed its electricity market to include frequency regulation markets where battery storage systems can participate. The entry of companies like SINEXCEL into this market is crucial for decarbonizing and strengthening the resilience of Japan’s electricity grid, thereby enhancing energy security.

Strategic Significance & Outlook

SINEXCEL’s entry into Japan’s frequency regulation market strengthens its position as a global provider of energy storage solutions. With a track record of participating in over 60 utility-scale energy storage projects, the company aims for further business expansion in the Japanese market, building on the success of the Matsusaka project. Operational data and insights gained from this project are expected to clearly demonstrate the value and potential of battery storage in Japan’s electricity market, promoting future BESS deployments. In the long term, the role of battery storage is anticipated to expand beyond frequency regulation to other segments of Japan’s electricity market, including supply-demand balancing and capacity markets.

Source: https://www.taiwannews.com.tw/en/news/6398178

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