What do I need to notify the fire department when installing storage battery equipment?

When installing storage battery equipment with a storage battery capacity of more than 20 kilowatt hours, it is necessary to notify the fire department of the ward where the storage battery is installed.

However, those installed in private residences do not need to be notified to the fire department.

In addition, it is necessary for storage battery facilities to install in private residence to conform to standard to establish in Yokohama-shi fire prevention regulations except thing to raise next.
・Storage battery capacity of 10 kilowatt hours or less
・Storage battery capacity is more than 10 kilowatt hours and less than 20 kilowatt hours and specified in the standards for fire prevention measures and fire spread prevention measures of storage battery equipment (2023 Fire and Disaster Management Agency Notification No. 7) No. 2