Japan Household Energy Storage Market Size By Application
The Japan household energy storage market is witnessing significant growth driven by the increasing adoption of renewable energy solutions and rising electricity costs.
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.
Local companies Toshiba, Itochu and Hitachi are among those betting on energy storage systems for growth. There is much potential in this relatively overlooked sector: the global battery energy storage market will reach as much as $150bn by 2030, estimates McKinsey. Falling prices of battery cells should help wider adoption of home batteries.
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.
The push is reinforced by Tokyo's 2025 regulation requiring solar panels on new homes, and the launch of virtual power plant (VPP) programs—slated to begin in fiscal 2026—that will let households sell surplus energy to the grid.
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