Tokyo ups portable energy storage solution

Does Tokyo Gas have a battery energy storage system?

Tokyo Gas is also participating in the Japanese utility-scale battery energy storage system (BESS) market, signing a 20-year tolling offtake deal with Australian developer Eku Energy for a forthcoming 30MW/120MWh project.

Why are battery storage systems being installed in Japan?

Several megawatt-hours of residential battery storage systems, typically paired with solar PV, are being installed in Japan on a monthly basis. This is largely due to concerns about losing power at home, given the seismic activity the country is frequently subject to, as well as extreme weather events like typhoons.

Which companies are launching a battery balancing programme in Tokyo?

Another Tokyo-headquartered utility, Tokyo Gas, also began a similar programme with residential batteries. The company markets and installs battery storage systems to households, and also has a new solutions service, branded Igniture, which controls the charging and discharging to participate in power supply-demand balancing.

Is EKU energy building Hirohara battery energy storage system?

The developer has agreed to a 20-year offtake agreement for the project with Tokyo Gas. London-headquartered Eku Energy has initiated the construction of the Hirohara Battery Energy Storage System (BESS) in Oh-Aza Hirohara, Miyazaki City, Miyazaki Prefecture, as it seeks to grow its footprint in the promising market.

How much does Tokyo's FY2024 subsidy cover?

The subsidy covers up to 2 billion yen per project. A total of 12 projects totaling 180MW/595.3MWh was awarded 13 billion yen through Tokyo’s FY2024 subsidy for promoting grid-scale battery storage, the metropolitan government’s document released in February 2025 shows.

Does Tokyo Gas offer battery control service?

Tokyo Gas opened its Battery Control Service programme to customer enrolment on 26 August, offering an upfront fee of ¥10,000 (US$70) for joining and ¥200 per month thereafter.