Battery storage holds electricity for use at a later time. It is commonly used alongside solar panels, though it can also operate on its own using grid supply.
The aim is to match when energy is available with when it is actually needed.
Electricity generated during the day can be stored and used later, such as in the evening. Without storage, that energy may be exported rather than used on site.
Systems charge and discharge automatically based on demand and settings.
Batteries are typically installed inside buildings or in protected enclosures. Location depends on available space, access and ventilation requirements.
Common for residential and smaller systems.
Used in larger or more complex setups.
Separate structures can provide space where needed.
Used where internal space is limited.
Capacity determines how much energy can be stored. Larger systems provide more coverage but require more space and higher upfront cost.
Smaller systems are easier to accommodate but may only support part of the demand.
Storage is often paired with solar generation to make better use of daytime output. Instead of exporting surplus electricity, it can be held and used later.
The balance between generation and storage affects overall performance.
Installation space, access and system layout all influence how storage is implemented. Some properties may only allow limited capacity or require alternative positioning.
Matching storage size to actual usage tends to produce a more practical result than installing the largest system possible.