Octopus Go is the simpler sibling of Intelligent Go. Instead of smart scheduling and vehicle API integration, it gives you a straightforward 5-hour off-peak window, 12:30am–5:30am, at 8.5p/kWh. There's no need for a compatible charger or vehicle API — just schedule your Tesla or charger for the start of that window and you're done.
Best for: EV owners who want simple, cheap overnight charging without worrying about smart charger compatibility or vehicle API setup.
How It Works
Octopus Go is a time-of-use tariff with a fixed off-peak window. Every night during 12:30am–5:30am, your electricity rate drops to 8.5p/kWh. Outside that window, you pay 31.64p/kWh. There's no smart scheduling, no vehicle API, no charger communication — you set a charging timer on your car or charger to activate during the off-peak hours.
For Tesla owners, this is straightforward: go to the Tesla app, set charging to begin when the 12:30am–5:30am period opens, and your car handles the rest. The 5-hour window provides enough time to add roughly 35kWh on a 7kW charger, which equates to about 120 miles of range — more than enough for most daily commutes.
Who It Suits
Go is best for drivers who don't need the extended off-peak hours of Intelligent Go and prefer simplicity. If your daily driving is under 120 miles, the 5-hour window is sufficient. If you regularly drive more, or want the flexibility of extra off-peak slots during the day, Intelligent Go is worth the switch.
Cost Breakdown
These figures isolate EV charging electricity. They do not include household use or postcode-dependent standing charges.
| Scenario | Cost per full charge | EV electricity only (10k miles) |
|---|
| Octopus Go off-peak (8.5p/kWh) | ~£5.10 | £243 |
| Standard variable (~26.11p/kWh) | ~£15.67 | ~£746 |
| Petrol equivalent | ~£18.60 | ~£1,860 |
Compatible Chargers
Octopus Go works with any charger. There's no smart integration required — just set a charging schedule. The Tesla Wall Connector is a great match because you can schedule charging natively in the Tesla app. Smart chargers like the Ohme Home Pro also work, though you won't benefit from their smart tariff features on Go (switch to Intelligent Go for that).
For charger recommendations and a full tariff comparison, see our best smart EV charger guide. Compare this rate against every UK EV tariff in the UK EV Charging Cost Index.
