Where is a battery storage system installed and how much space does it require?

Depending on the type of system, batteries can be installed both inside and outside of the property.

An average storage system will require approximately 1 – 2m² of wall space.

You can find out more here:https://www.moleenergy.com/homeowners/tesla-powerwall-2-0/

And here:https://www.moleenergy.com/homeowners/battery-storage-solar-edge/