Explore Intelligent Octopus Go 12M Fixed 2026, the smart EV tariff designed for fixed-rate peace of mind. Get super low electricity rates overnight (23:30-05:30) and let Octopus smart-charge your electric vehicle at the cheapest, greenest times.
As the UK continues its journey towards a greener future, electric vehicles (EVs) are becoming an increasingly common sight on our roads. With this shift comes the need for innovative energy tariffs that not only support sustainable living but also offer significant savings and convenience for EV owners. Enter Intelligent Octopus Go 12M Fixed 2026 from Octopus Energy – a groundbreaking tariff designed to make owning and charging your EV smarter, cheaper, and greener.
This page will delve into everything you need to know about this popular tariff for 2026, helping you decide if it's the right choice for your home and electric vehicle.
Intelligent Octopus Go 12M Fixed is a cutting-edge smart tariff from Octopus Energy, specifically tailored for electric vehicle drivers and households that can shift a significant portion of their electricity usage to off-peak hours. The “12M Fixed” in its name signifies that your unit rates for electricity are locked in for a full 12 months, providing you with price certainty and protection against market fluctuations.
The core of this tariff revolves around two key features:
You gain access to a significantly cheaper electricity unit rate every night between 23:30 and 05:30. This dedicated six-hour window is perfect for charging your EV, running energy-intensive appliances like washing machines or dishwashers, or topping up a home battery at a reduced cost.
This is where the “Intelligent” aspect truly shines. By connecting your compatible electric vehicle or smart charger to your Octopus Energy account, the tariff's smart technology takes over. Instead of you manually setting charging times, Octopus Energy intelligently charges your car at the absolute cheapest and greenest times available within your desired ready-by window. This means your car will be charged and ready when you need it, all while optimising for cost savings and environmental impact, often leveraging renewable energy sources when they’re most abundant.
It’s important to note that to benefit from the intelligent smart charging, you’ll need a compatible electric vehicle or a smart charger that can communicate with Octopus Energy’s system. Octopus provides a list of compatible devices and vehicles on their website.
This tariff is an excellent choice for a specific type of household:
While Intelligent Octopus Go 12M Fixed offers many advantages, it’s important to consider all aspects:
Please note: As an independent energy information source, we do not publish specific unit rates here, as they can vary by region and change over time. To get the most accurate and up-to-date unit rates and standing charges for Intelligent Octopus Go 12M Fixed in your specific area for 2026, we highly recommend visiting the official Octopus Energy website or getting a personalised quote directly from them. They will provide tailored figures based on your postcode.
Before switching to Intelligent Octopus Go 12M Fixed, consider the following:
If you're an EV owner looking for a smart, cost-effective, and environmentally friendly way to power your vehicle and home, Intelligent Octopus Go 12M Fixed could be an ideal solution for 2026. With fixed rates and intelligent automation, it offers a compelling package for modern households.
Join thousands of satisfied customers who are already benefiting from Octopus Energy’s innovative tariffs. Ready to make the switch and join the energy revolution with Octopus Energy? Use our referral link to get started and you could both benefit from a reward!
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Use our referral link and get £50 credit added to your Octopus account when you switch.
Get £50 & Switch Now →| Product Code | IOG-SMB-FIX-12M-26-10-14 |
| Type | Fixed |
| Green | ❌ No |
| Tracker | ❌ No |
| Prepay | ❌ No |
| Available from | Oct 2026 |
| Status | ✅ Active |
Real people saving real money with Octopus Energy