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Home wallbox charger sharing explained

We look at why you might consider sharing your home wallbox electric-car charger – and how you can use someone else's if you don't have your own

Home charger

Private companies and the UK government are investing billions into expanding the availability of electric-car chargers across the UK, but experts believe this won’t be enough. Dodona Analytics has predicted that without schemes like charger sharing, the UK will fall over 250,000 short of the number of chargers needed in the coming years.

Greater availability of chargers will be critical in the build-up to the ban on sales of new petrol and diesel cars in 2030, when everyone will have to go electric if they want a brand-new car. Of course, charging an electric car at home is the best option, as it can be done overnight, not during peak hours.

However, many people can't install a wallbox charger at home because they rent, because they don't have off-street parking or because they live in apartment complex and their parking space is not next to or part of their property. This is why sharing of home chargers may be the way to increase access to chargers for a lot of people. Here, we explain how you can either share your own home charger, or use other peoples’ to top up your electric car.

Wallbox charger

Sharing your charger

If you’re one of the estimated 300,000 UK owners of a home charger and want to share it, you can do so easily through a number of apps. JustPark, Co Charger and PlugShare are a few where you can advertise your charger. On Co Charger, you can become a host, which allows you to share your address, the type of charger you have (both type of connector and power are important) and the availability of your charger. It also lets you manage bookings and set prices. 

Some apps like PlugShare are targeted at existing electric-car owners, for them to use when they're away from home – either as a cheaper alternative to public rapid chargers or in areas where they're less prevalent. Whereas JustPark and Co Charger are encouraging people to share their chargers on a more frequent basis, as a method of community support and to remove a major barrier to electric-car ownership.

Anthony Eskinazi, the founder and CEO of JustPark, said: "People with a charging point already installed can do their bit for their area by sharing it with others on JustPark. This type of community support would help to further increase the adoption of EVs in the next few years.”

Joel Teague, CEO of Co Charger, explained his app, saying: “In practice it means a motorist living in a flat can have an arrangement with a nearby neighbour with a driveway to charge at theirs once or twice a week, ideally overnight. The host can earn some extra income from renting out their charger, whilst the 'chargee' gets the nearest possible experience to home charging.

There are of course some issues to consider. Firstly, this isn’t likely to become your new main source of income, as one domestic charger can only charge a single car at a time. And you should also consider how much you earn from sharing your charger against the increase in your electricity bill. As well as any fees for hosting your charger, apps like Co Charger levy a fee on every booking.

Plus, you should make sure you can put your own car somewhere else when others are using your driveway to charge their cars. Also think about the type of home charger you have, especially if it's a slower 3 or 3.7kW charger, as slower charge times may not convenient for many people. Many electric cars require charging overnight from a lower-output 3kW wallbox, so it’s unlikely you’ll have a chance to quickly plug yours in the morning before going to work.

BMW i3 wallbox

Using someone else’s charger

If your access to public charging is limited or you can’t have a wallbox installed at your own property, then sharing one may be a simple solution for you. Again, using an app like JustPark or Co Charger, you can view if any are available in your local area and how much it'll cost you to charge up there. However, like any rental service, if there's limited selection in your area, you may face times when none are available. 

But you do get the option to book in advance, and with Co Charger you can set up regular charging slots, to ensure your car is ready to go for you. Each owner can set their own price for your use of their charger. Although it's unlikely prices will be sky-high, as they’re still going to want you to use their charger, it may not be as cheap in the long-term as using a public on-street charger or getting your own home charger, if you can. 

Again, though, if you’re not in the position to have a charger installed at your house and need quick and easy access to one, sharing a charger through an app like JustPark or Co Charger is a convenient way to do it. Especially as all the payments are done through the app, without hassle for you or the host.

While this may not be the ultimate solution to charging provision, and not suitable for every electric-car driver or wallbox owner, sharing a charger, either as a host or a 'chargee' will help to increase the availability of chargers in the UK and remove a potential barrier to electric-car ownership for some people.

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