Octopus offers more smart tariffs than any other UK supplier. The right one depends on your household — whether you have solar, an EV, a heat pump, a battery, or just want cheaper electricity without changing anything except your tariff.
Switch to Octopus — Get £50 Credit →
Octopus Agile
What it is: Half-hourly electricity pricing that tracks day-ahead wholesale rates. Prices published at 4pm for the following day. Can go negative (you get paid to use electricity) or spike to 35p+ during winter evening peaks.
Average rate: Typically 10–15% below the standard tariff over a full year.
Best for: Flexible households, solar + battery owners, Home Assistant automators.
Needs: Smart meter (free from Octopus).
Potential saving: £200–£400/year versus standard tariff.
Octopus Tracker
What it is: One daily rate that tracks the previous day's wholesale price plus Octopus's margin. More predictable than Agile — rate announced by 11pm for the following day.
Best for: Households who want wholesale exposure without half-hourly complexity.
Potential saving: £100–£250/year versus standard tariff.
Octopus Go
What it is: Two-rate tariff. Cheap overnight (typically 7.5p/kWh, 12:30am–5:30am) and standard daytime.
Best for: EV owners, battery owners, anyone who can shift big loads to overnight.
Potential saving: £150–£300/year on EV charging costs.
See our EV charging cost breakdown →
Intelligent Octopus Go
What it is: Go with smart charging integration. Your charger optimises automatically for cheapest slots. Also accesses additional cheap windows that standard Go doesn't.
Best for: EV owners with compatible smart chargers who want full automation.
Octopus Flux
What it is: Three-rate tariff. Higher export rates during peak demand (4–7pm), cheap import overnight, standard daytime. Designed for solar + battery systems that export strategically.
Best for: Rooftop solar + battery owners who want premium export value.
Potential saving: £200–£500/year with optimised charge/discharge.
Cosy Octopus
What it is: Cheaper rates during heat pump operating hours — early morning and late afternoon.
Best for: Heat pump owners.
Potential saving: 15–25% reduction in heat pump running costs.
Quick comparison
| Tariff | Pricing | Best for | Annual saving |
|---|---|---|---|
| Agile | Half-hourly | Flexible/solar/battery | £200–£400 |
| Tracker | Daily | Simple wholesale exposure | £100–£250 |
| Go | Two-rate | EV owners | £150–£300 |
| Flux | Three-rate | Solar + battery exporters | £200–£500 |
| Cosy | Time-of-use | Heat pump owners | 15–25% HP cost reduction |
All tariffs, one switch
Switch to Octopus via our referral link and get £50 credit. You choose your tariff during or after the quote — the credit applies regardless of which tariff you select.