After years of pilot schemes and breathless predictions, vehicle-to-grid technology is finally something you can actually buy and use in the UK. But the reality is messier than the hype suggests. Only a handful of cars work with it, you need specific equipment, and whether it saves you money depends entirely on your circumstances.
Here’s what actually works in 2026, what it costs, and whether you should bother.
What Is V2G and Why Should You Care?
Vehicle-to-grid (V2G) lets your car send electricity back to your home or the grid, not just draw power from it. Think of your EV’s battery as a giant powerbank for your house. When electricity is expensive (typically 4pm to 7pm), you can use the cheaper energy stored in your car instead of buying from the grid. When electricity is dirt cheap (usually 2am to 5am), you charge the car and potentially sell some back during peak times.
The financial case depends on being on the right tariff and actually having your car plugged in when it’s needed. If you drive 200 miles every weekday and park in a office car park, V2G probably isn’t for you. If you work from home or have a regular routine where the car sits on your drive most evenings, it might be worth investigating.
V2G-Compatible Cars Available Now
This is the biggest limitation. Most EVs can’t do V2G because they use the widespread CCS charging standard, which technically supports bidirectional charging but requires specific hardware that most manufacturers haven’t bothered implementing.
The cars that definitely work with V2G in the UK right now:
Nissan Leaf (2013 onwards with CHAdeMO socket). Still the most common V2G vehicle because Nissan committed to the CHAdeMO standard early. Even older Leafs work, though obviously with smaller batteries and degraded capacity.
Nissan e-NV200. The electric van uses the same CHAdeMO setup. Good if you’re a tradesperson with predictable hours.
Mitsubishi Outlander PHEV (certain model years). Limited due to smaller battery capacity, typically around 20kWh usable in recent models.
That’s essentially it for mass-market vehicles you can walk into a dealer and buy today. Some luxury models like certain Hyundai Ioniq variants have the hardware capability, but UK-specific V2G support remains patchy and you’ll need to verify with the dealer that it actually works with available home chargers, not just in theory.
The Chargers That Actually Work
You can’t use a standard home charger for V2G. You need bidirectional hardware, and there are currently only a few options available for home installation in the UK.
Wallbox Quasar 2. Works with CHAdeMO vehicles (so your Leaf or Outlander). Costs roughly £4,000 to £5,500 including installation, depending on your home’s electrical setup. This has been the most reliable option based on actual user reports.
Indra V2G charger. Another CHAdeMO option, pricing similar to the Quasar. Slightly less common but supported by Octopus Energy’s V2G programmes.
Fermata Energy FE-15. Available through certain installers, again CHAdeMO-based.
You’ll also need a compatible energy tariff and often specific software or an aggregator service to actually earn money from grid services. This isn’t plug-and-play yet.
What Can You Actually Earn?
I’ve been tracking real-world reports from V2G users, and the numbers are more modest than the headlines suggest. Octopus Energy’s Powerloop service, which pays you for providing grid flexibility, seems to net users between £15 and £40 per month on average. Some months are better, some worse, depending on grid demand.
That’s roughly £180 to £480 annually. Useful, but not revolutionary when you’ve spent £4,500 on the charger. You’re looking at a 9 to 25 year payback period on the hardware alone, which is longer than most people keep a car.
The calculation improves if you’re replacing a charger anyway (you’d spend £800 to £1,200 on a standard unit) or if grid services payments increase. But right now, the financial case is weak unless you’re an early adopter who values the technology itself.
The Practical Faff Factor
You need to remember to plug in. Every evening, ideally. Miss a few days and your earnings drop. The car also needs sufficient charge for your next day’s driving, so the system won’t drain you completely, but it does add another layer of management.
Some users report the novelty wears off quickly. Others genuinely enjoy optimising their setup and watching the pennies accumulate. It depends whether you’re the sort of person who checks their solar generation app three times a day or someone who just wants their car to charge and be done with it.
Should You Bother?
If you already own a Leaf and were planning to install a home charger anyway, V2G makes reasonable sense. The incremental cost over a standard charger is £3,000 to £4,000, and you might recoup that over the car’s lifetime if grid services become more valuable.
If you’re buying a new EV specifically for V2G, I’d honestly suggest waiting. The technology will improve, more cars will support it (particularly as CCS bidirectional charging finally arrives), and prices should come down as the market matures.
For now, V2G is real and functional, but it’s still an enthusiast technology rather than a no-brainer financial decision. I’m glad it’s finally here, but I’m not rushing to install it myself just yet.