Tokyo smart battery energy storage system

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.

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.

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.

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.

Does Japan have a battery subsidy program?

As Japan works to expand battery storage amid growing solar and wind capacity, METI also runs a similar subsidy scheme at the national level. In FY2024, it awarded 34.6 billion yen to 27 projects. Both programs are expected to continue in FY2025.

Which country has the biggest battery storage market in the world?

A late 2023 report from BloombergNEF identified Japan as one of the five biggest residential battery storage markets in the world, alongside Germany, the US, Italy and Australia.