Average capacity of stationary Li-ion battery systems shipped in Japan FY 2013-2022
In the fiscal year 2022, the average capacity of stationary lithium-ion power storage systems shipped in Japan amounted to approximately 7.65 kilowatt-hours (kWh), increasing from 7.27 kWh in fiscal 2021. According to the source, the off-grid type focused on lower capacity designs after fiscal 2016. Accordingly, off-grid systems had capacities below two kWh, while the on-grid systems had more than 7 kWh on average in fiscal 2022.