Tariff guide

Octopus Energy Tariffs Explained

A plain-English guide to every Octopus Energy plan.

Flexible Octopus (Variable)

Standard variable tariff following the Ofgem price cap. Rates adjust quarterly.

Best for: Households wanting simplicity.


Octopus 12-Month Fixed

Locks in rates for 12 months. Typically priced below the cap with no exit fees.

Best for: Price certainty and protection against rises.

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Intelligent Octopus Go

The UK’s most popular EV tariff. Smart overnight charging well below 10p/kWh plus 6 hours of cheap home energy.

Requires: Smart meter + compatible EV charger.

Best for: EV owners who charge at home.


Octopus Go

Simpler EV tariff with a fixed 5-hour off-peak window (00:30–05:30).

Requires: Smart meter.

Best for: EV owners preferring a straightforward setup.


Agile Octopus

Half-hourly rates based on wholesale prices. Can go negative. Capped at 100p/kWh.

Requires: Smart meter with half-hourly data.

Best for: Tech-savvy households with flexible usage.


Octopus Tracker

Daily rate tracking the wholesale market. Transparent and generally cheaper than the cap.

Best for: People wanting transparency.


Cosy Octopus

Three windows of cheap electricity for heat pump owners.

Requires: Heat pump + smart meter.

Best for: Heat pump households.


Octopus Flux

Different import/export rates for solar panel and battery owners.

Best for: Solar + battery setups.


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