How much could I realistically save?

Name: EPC Improvements Ltd
Address: 15-17 Russell Way, Chelmsford, Essex, CM1 3AA, GB
Telephone: +44 1245 408792

Savings depend on your usage, tariff and whether you have solar. Households combining a low-rate overnight tariff with Powerwall typically see £600 to £1,200 per year. EPC will give you a realistic figure for your specific home, not a headline estimate.