How much could a home battery save you?
Answer four quick questions. We'll show the yearly saving, 10-year return and monthly finance for every fully installed battery we sell.
1.Your home
Using 8,500 kWh a year for your home.
2.Your electricity tariff — this makes the biggest difference
9.5p cheap (7 hours overnight) · 31.2p normal per kWh · published rate; day rate ≈ local standard rate — check your bill
3.Do you have solar panels?
Every battery compared
Estimates only; your real savings depend on your usage, tariff and home. Assumes one charge a day in cheap hours (two on Cosy Octopus), spare stored power sold back at the evening export price on Octopus Flux, ~90% round-trip efficiency, prices rising ~5% a year for 10 years and 1% battery fade a year. Octopus, Economy 7, standard and export rates are fetched live from Octopus Energy for your region (export = Outgoing Octopus); other suppliers' cheap rates are their published overnight rates. *Monthly price over 10 years at 10.9% APR representative, £0 deposit, subject to status.