Electric car
8.40p 23:30–05:30
Octopus Go if your car or charger is not on the compatible list. Rivals compared on each page.
Battery sizing calculatorEnergy tariffs
A smart tariff only pays if you can move electricity use into its cheap window. These pages show the real rates for your grid region, updated 2026-09-28, and say plainly when a flat tariff is better.
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Showing South East England (region J) until you enter a postcode.
Heat pump
13.24p 04:00–07:00
Only worth it if the heat pump can pre-heat before the 16:00 to 19:00 peak.
Heat pump running cost calculatorSolar with a battery
15.49p 02:00–05:00
Agile for a battery you will schedule yourself; Intelligent Flux if Octopus can drive it.
Solar payback calculatorSolar export
12.00p all day
Flat rate for solar without a battery. Higher rates with conditions are in the SEG guide.
Solar payback calculatorAll tariffs
- Agile Octopus
Half-hourly prices that track the wholesale market, published the afternoon before.
- Octopus Go
A cheap five-hour overnight window for charging an EV or a battery, and a standard rate the rest of the day.
- Intelligent Octopus Go
A six-hour overnight cheap rate, plus extra cheap slots whenever Octopus schedules your car to charge.
- Cosy Octopus
Three cheap windows a day designed around when a heat pump should run, with an expensive early evening.
- Octopus Flux
Import and export rates that both swing with the time of day, built for solar with a battery.
- Intelligent Octopus Flux
Octopus drives your battery, charging and exporting it to the market, for a flat import and export rate.
- Outgoing Octopus
A flat export rate for solar, no matter when you export.
- Agile Outgoing Octopus
Export paid at the half-hourly wholesale price, for batteries that can sell into the evening peak.
- Flexible Octopus
Octopus's standard variable tariff, priced at or under the Ofgem cap in every region.