Battery Savings Calculator

Discover potential savings with a eCactus home battery, even without solar panels.

This calculator estimates your annual savings based on your current energy usage and electricity prices. Homes with solar panels can achieve significantly greater savings, potentially thousands of pounds more. Please note that this calculator assumes you have an off-peak electricity tariff.

How much you could save by installing a eCactus home battery?

For a home without solar panels

House

10 kWh

£800 pa

Apartment

£600 pa

5 kWh

Large House

£1200 pa

15 kWh

If you don't know your electric bill, or what size battery you need, then here are some estimates to get you started:

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