Cheapest time to charge a home battery in South East England
When to set your home battery to charge on Octopus Agile in South East England, for this time of year.
Charge from the grid in this slot; the rest of the day, let the battery run the house.
weekdays
About 17.3p/kWh
Got a second slot? Top up 12:30–14:30 (about 18.4p) to replace what the house uses in the morning.
weekends
About 10.5p/kWh
What it saves
13.4p for each kWh - charged at 17.3p and used instead of 32.6p in the evening - if the house uses the whole battery.
17.2p for each kWh - charged at 10.5p and used instead of 28.9p in the evening - if the house uses the whole battery.
Prices through the day
Charging 01:00–05:00 and 12:30–14:30
Charging 11:00–15:00
How this works
The cheapest stretch before the 16:00 peak in South East England's Agile prices for this time of year, long enough to fill your battery, at 90% round-trip efficiency. It assumes no solar and no exporting - the battery only covers your home's own use. A guide to a typical day, not a forecast.
Agile prices from the Octopus Energy API. Renewably isn't affiliated with Octopus Energy.