Intelligent Octopus Go Compatible Cars and Chargers (2026)

If you want the Intelligent Octopus Go off-peak rate, the first thing to check isn't your tariff — it's whether you have an Intelligent Octopus Go compatible car or charger. The tariff only works when Octopus can talk to one or the other through an API. This guide covers which makes and models are supported as of 2026, which chargers are on the integration list, and what to do if your car isn't recognised.

Intelligent Octopus Go is a smart EV tariff. The headline benefit is a flat off-peak rate of around 8p/kWh applied to your whole home during a guaranteed [six-hour overnight window](/blog/intelligent-octopus-go-six-hour-charge-cap/) (typically 23:30–05:30), plus extra bonus cheap slots when the grid has surplus renewable capacity. Octopus publishes the headline rate on its tariff page; rates vary slightly by region.

The catch: to deliver those bonus slots, Octopus needs an API connection to either your car or your charger so it can start, stop, and shift your charging session in real time. That API connection is what people mean when they ask whether a vehicle or charger is “IOG compatible”.

There are two routes:

• Car-side integration: Octopus talks directly to your car's manufacturer API (Tesla's API, Volkswagen Group's We Charge / We Connect ID, BMW's ConnectedDrive, Renault's MyR-Link). The car decides when to draw power, regardless of which charger you have. This is the simpler route for most drivers — any reasonably modern home charger will do as long as it doesn't fight the car.
• Charger-side integration: Octopus talks to your smart charger's cloud API (Ohme, Hypervolt, Indra, Zappi, Andersen, VCHRGD). The charger pulls the schedule from Octopus and modulates the supply. This route works with any car the charger supports — useful if your EV brand has no direct integration.

One of those two paths must exist for the tariff to work properly. If neither does, you'll just be on a flat 8p/kWh between 23:30 and 05:30 with no smart shifting — which still beats a single-rate tariff for most EV drivers, but you lose the bonus-slot upside.

Octopus claims integration with over 280 vehicle / charger combinations. The car-side compatibility list (where Octopus talks directly to the manufacturer's API and you don't strictly need a smart charger) is narrower — and it changes as carmakers update their connected-vehicle services. As of 2026, the brands with confirmed direct integration are:

A compatible charger is the more reliable path — it works for any car the charger physically supports, and it doesn't depend on the manufacturer keeping its connected-vehicle API up to date. The current 2026 IOG-compatible charger list includes:

The car-side list is short. Most UK EV drivers — Hyundai, Kia, Peugeot, Vauxhall, MG, Polestar, BYD — will need to take the charger-side route. The good news: any of the chargers above will run IOG with any of those cars. Octopus simply schedules the charger, the charger gates the supply, and the car charges whenever the charger feeds it electrons.

The practical difference between the two paths is small. The charger-side route requires the charger's cloud to receive the schedule and translate it into a contactor signal, which adds a step. In bonus-slot situations — where the grid suddenly has surplus renewable capacity and Octopus wants to fire a 30-minute cheap window with limited notice — that extra step matters slightly more. For the guaranteed 23:30–05:30 window, the two paths are functionally identical.

If you've already chosen your car, your IOG eligibility is largely fixed — but the charger you pair it with isn't. For Hyundai, Kia, Peugeot and the long tail of EVs without direct integration, an Ohme Home Pro is the safest IOG bet. For Tesla owners, you can run IOG on almost any reasonable home charger (or none at all). For everyone else, check the live compatibility checker on Octopus's site before committing — and if you're still picking a charger, our best home EV charger comparison ranks every model on the list above.