01
What should your battery storage do?
Storage may be intended to use more solar generation later or to shift grid electricity use with a suitable tariff. Backup during a power cut is a separate requirement. Explain which purpose matters most; the same equipment arrangement does not automatically deliver every outcome.
02
Match the battery to electricity use
Existing solar equipment, inverter compatibility and usage patterns influence the design. Share model details and available electricity-use information. Discuss usable storage capacity and controls in the context of your property rather than choosing a battery solely by a headline size or savings claim.
Guidance: Energy Saving Trust: battery storage
03
Battery installation position and arrangement
The selected system needs a suitable installation location, access and professionally assessed safety arrangements. Space, environmental conditions and manufacturer requirements can affect the options. Do not treat a spare cupboard or wall as automatically suitable before the installer has assessed the proposed location.
04
Battery backup, approvals and handover
A battery does not automatically provide electricity during an outage. Backup may require additional equipment and a design identifying which circuits can be supported. Also clarify network processes, warranties, testing and operating instructions. Any forecast saving should state the assumptions and costs that underpin it.
05
Request battery storage installation quotes
Provide the intended use, existing system details and possible installation areas. State whether backup is essential and what you would expect it to support. Ask the quote to explain compatibility, included equipment and associated installation work, together with any ongoing service or software arrangements.
Electrical service questions
Questions about battery storage
Can storage be installed without solar panels?
Some arrangements use electricity from the grid, including suitable time-of-use tariffs. Suitability and value depend on the design and usage; savings should not be assumed.
Will a battery automatically power the house during an outage?
No. Backup capability needs an appropriate configuration and may require additional equipment. Ask which circuits would be supported and under what conditions.
Can a battery be added to an older solar installation?
Potentially, but the existing equipment and proposed integration need assessment. Provide inverter and system records rather than assuming every battery will work with every installation.
