Octopus Go UK Tariff (2026) is an electric vehicle (EV) time-of-use tariff offered by Octopus Energy, tailored for EV owners and users of plug-and-play battery systems. This innovative tariff structure aims to reduce electricity costs by incentivising consumption during off-peak hours when rates are significantly lower.
The tariff features an off-peak rate ranging from 6 to 8p per kWh between midnight and early morning, while peak rates climb to 30 to 40p per kWh at other times. With estimated annual savings of £300 to £700 compared to standard tariffs, Octopus Go UK Tariff (2026) offers substantial benefits for those who can align their energy usage with the tariff's off-peak window.
saving vs the tariff alone.
- Octopus Go + EV smart charger - schedule overnight charging. EV owners save £400-£800/year on this combo vs Standard Variable Tariff.
- Octopus Go + heat pump + battery - full-stack low-carbon home setup. Average £700-£1,500/year savings vs gas heating + standard electricity.
Related guides
Sources
- Octopus Energy published tariff page (most recent rates)
- Ofgem Time-of-Use Tariff Database
- Energy UK consumer trends report (2026)
