Intelligent Octopus Flux
Octopus drives your battery, charging and exporting it to the market, for a flat import and export rate.
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Who it suits
- Owners of a supported battery who would rather not manage schedules
- Homes exporting a lot: the flat export rate is high
Who it is not for
- Batteries not on the supported list
- Anyone who wants to keep control of their battery's charge level
Rates by region
Inc VAT, from the Octopus API on 2026-09-28. Enter a postcode to highlight your region.
| Region | 16:00–19:00 | 19:00–16:00 | Standing |
|---|---|---|---|
| Eastern England (A) | 28.15p | 21.11p | 52.19p/day |
| East Midlands (B) | 26.72p | 20.04p | 51.06p/day |
| London (C) | 28.10p | 21.08p | 42.42p/day |
| Merseyside and North Wales (D) | 29.56p | 22.18p | 68.00p/day |
| West Midlands (E) | 26.97p | 20.23p | 57.35p/day |
| North East England (F) | 26.87p | 20.16p | 61.52p/day |
| North West England (G) | 27.88p | 20.91p | 44.93p/day |
| Southern England (H) | 28.20p | 21.15p | 47.71p/day |
| South East England (J) | 28.47p | 21.36p | 52.76p/day |
| South Wales (K) | 28.11p | 21.08p | 54.86p/day |
| South West England (L) | 28.18p | 21.14p | 56.34p/day |
| Yorkshire (M) | 26.92p | 20.19p | 61.74p/day |
| South Scotland (N) | 27.54p | 20.65p | 62.83p/day |
| North Scotland (P) | 28.24p | 21.18p | 56.29p/day |
What you need
- A smart meter sending half-hourly readings
- A supported battery and inverter
- Solar panels on the same account
Assumptions
- Octopus rates
- Octopus Energy public API, all 14 regions, direct debit, inc VAT, snapshot 2026-09-28 (Octopus API)
- Not modelled
- Dual-fuel discounts, prepayment rates, business tariffs
Rates checked 20 September 2026. Check them again before you commit to anything.
Run the numbers
Ofgem multi-rate typical values: low 5.2, medium 9.3, high 16.7 kWh a day.
Shiftable load
5.4 kWh/day
Suggested usable capacity
6.5 kWh
Est. annual saving
£342
Hardware-only payback
14.6 yrs
Installation is extra. Compare with the warranty length.
Off-peak default is Intelligent Octopus Go (23:30–05:30), which needs a compatible EV or charger. Enter a postcode for your region's rates.
Questions
- Which batteries work with Intelligent Flux?
- Octopus publishes a supported list on the tariff page; it changes as integrations are added. Check your inverter model against it before assuming eligibility.
- Can Octopus drain my battery?
- It controls charge and discharge within limits it publishes, including a reserve for your own use. Read the terms on the tariff page for the current floor.