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The cost to charge an electric car is becoming an increasingly important question as electric vehicle ownership in the UK reaches a new milestone, with more than 2.16 million fully electric vehicles now on UK roads. Battery electric vehicles also accounted for around a quarter of all new car registrations in the first seven months of 2026. As more drivers make the switch, one question comes up again and again: what is the actual cost to charge an electric car once you own one?
The answer depends heavily on where and when you plug in. Using an 80kWh battery as an example, charging at home on an off-peak EV tariff could cost around £7, while using an average Rapid or Ultra-rapid public charger could cost around £64 for the same amount of energy.
Key Takeaways
- Home charging is generally the cheapest way to charge an EV in the UK.
- The average electricity price cap rate is 26.11p/kWh from July to September 2026 and will become 26.32p/kWh from October.
- Average PAYG public charging is around 54p/kWh for Standard/Standard Plus chargers.
- Rapid and Ultra-rapid public charging averages approximately 80p/kWh.
- EV-specific overnight tariffs can substantially reduce home charging costs.
- Battery capacity, vehicle efficiency, electricity tariff and charging location all affect what you actually pay.
How Much Does It Cost to Charge an Electric Car in 2026?
There is no single UK price for charging an EV.
Using an 80kWh EV battery as an example, the difference between charging overnight at home and using a Rapid or Ultra-rapid public charger can be substantial.
| Charging Method | Example Electricity Price | Approximate Energy Cost for 80 kWh |
|---|---|---|
| Home – off-peak EV tariff* | 8p/kWh | £6.40 |
| Home – July–Sept 2026 price-cap average | 26.11p/kWh | £20.89 |
| Home – Oct–Dec 2026 price-cap average | 26.32p/kWh | £21.06 |
| Public Standard / Standard Plus | 54p/kWh | £43.20 |
| Public Rapid / Ultra-rapid | 80p/kWh | £64.00 |
*The 8p/kWh rate is an illustrative off-peak example. Actual EV tariffs depend on the electricity supplier, tariff and charging period.
These figures represent the cost of 80kWh of electricity and do not account for energy lost during charging. In real-world conditions, the amount of electricity drawn from the grid can be slightly higher than the amount ultimately stored in the battery.
The comparison makes one thing clear: where and when you charge can have a major impact on your overall EV running costs.
What Determines the Cost to Charge an Electric Car?
Four factors have the biggest impact on your charging bill.
1) Your Electricity Tariff
For home EV charging, your electricity tariff is usually the biggest variable.
From July to September 2026, the average electricity unit rate under Ofgem’s price cap for a Direct Debit customer is 26.11p/kWh. From 1 October 2026, this changes to 26.32p/kWh.
However, EV owners who use dedicated time-of-use or off-peak tariffs may be able to access substantially cheaper electricity during selected overnight hours.
This makes smart overnight charging particularly valuable for drivers covering significant annual mileage.
2) Your EV's Battery Size
Larger batteries require more electricity to charge.
For example, at 26.32p/kWh:
- 40kWh of energy costs approximately £10.53
- 60kWh costs approximately £15.79
- 80kWh costs approximately £21.06
These are simplified energy-cost calculations before charging losses.
3) Where You Charge
Charging location can dramatically affect the cost to charge an electric car.
Home charging generally offers the lowest cost, particularly when paired with an off-peak tariff. Workplace charging may also be affordable or subsidised by an employer.
Public destination chargers cost more on average, while rapid and ultra-rapid charging usually commands the highest price because drivers are paying for speed and convenience.
4) Charging Speed
Faster does not necessarily mean more electricity goes into the battery, but on public networks it often means paying more for each kWh.
A 7kW or 22kW AC destination charger will typically have a lower tariff than a 160kW or 350kW DC charger.
That is why rapid charging is best viewed as a convenience option rather than automatically being the cheapest everyday charging method.
Home EV Charging Costs in the UK
For drivers with off-street parking, charging at home remains one of the most economical ways to run an electric vehicle. Installing a dedicated home EV charger allows you to charge conveniently overnight and make better use of time-of-use electricity tariffs.
Home EV chargers are commonly available in 7kW, 11kW and 22kW power ratings. A 7kW charger is widely suited to everyday residential charging, while 11kW and 22kW chargers can provide faster AC charging where the property’s electrical supply and the vehicle’s onboard charger support the higher power.
It is important to remember that charger power affects charging time, not the electricity price per kWh. For example, using an 80kWh battery and an electricity rate of 26.32p/kWh:
80kWh × £0.2632 = £21.06
If an EV tariff offered an overnight rate of 8p/kWh, the same amount of electricity would cost:
80kWh × £0.08 = £6.40
That’s a difference of approximately £14.66 for the same 80kWh of electricity.
So, whether you use a 7kW, 11kW or 22kW home charger, the electricity cost is primarily determined by how many kWh you use and your electricity tariff. The charger’s power rating mainly determines how quickly that energy can be delivered.
For drivers charging regularly throughout the month, combining a suitable home charger with an off-peak tariff can lead to significant savings over the year.
How Much Does Public EV Charging Cost?
Public charging provides essential flexibility for long-distance journeys, drivers without private parking and anyone needing to recharge while away from home. But convenience can come at a higher price.
Public DC fast chargers can range widely in power, with 80kW, 120kW, 160kW, 180kW, 240kW, 360kW and even 480kW chargers designed to meet different charging requirements. Higher-powered chargers can significantly reduce charging time for compatible EVs, making them particularly useful at motorway service areas, charging hubs, fleet depots and other high-traffic locations.
Average PAYG public charging rates are around:
54p/kWh – Standard and Standard Plus chargers
80p/kWh – Rapid and Ultra-rapid chargers
Using our 80kWh battery example, the cost difference becomes clear:
| Public Charging Type | Average Price | 40kWh Top-Up | 80kWh Energy |
|---|---|---|---|
| Standard / Standard Plus | 54p/kWh | £21.60 | £43.20 |
| Rapid / Ultra-rapid | 80p/kWh | £32.00 | £64.00 |
It is important to distinguish charging power from charging cost. An 80kW charger and a 480kW charger describe how quickly power can potentially be delivered; they do not mean an EV will automatically consume more energy. The actual charging speed also depends on the maximum DC charging rate the vehicle can accept, battery temperature and state of charge.
Individual charging networks can cost considerably more or less than these averages, while membership plans, subscriptions and promotions can also affect what drivers ultimately pay.
For many EV drivers, completing the majority of charging at home and using 80kW–480kW DC fast charging when faster charging is genuinely needed can help balance convenience with overall charging costs.
How to Calculate Your Own EV Charging Cost
You don’t need a complicated EV charging calculator to estimate the cost to charge an electric car.
Start with:
Charging Cost = Electricity Used (kWh) × Electricity Price (£/kWh)
Using our 80kWh example:
80kWh × £0.2632 = £21.06
However, an EV charger does not transfer every unit of electricity from the grid into the battery with zero losses.
If you want to estimate the electricity drawn from the grid, you can account for charging efficiency:
Grid Energy Required = Battery Energy Added ÷ Charging Efficiency
If 80kWh needs to reach the battery and overall charging efficiency is assumed to be 87%:
80 ÷ 0.87 = 91.95 kWh
At 26.32p/kWh:
91.95 × £0.2632 = approximately £24.20
This provides a more realistic estimate of the electricity you may actually purchase when adding 80kWh to the battery.
What Does EV Charging Cost Per Mile?
Looking only at the price of a full charge doesn’t always tell you much because EV battery sizes vary.
Cost per mile is often a better comparison.
Suppose your EV averages 4 miles per kWh.
At an electricity rate of 26.32p/kWh:
26.32p ÷ 4 = 6.58p per mile
At an illustrative 8p/kWh overnight rate:
8p ÷ 4 = 2p per mile
At an 80p/kWh rapid charging rate:
80p ÷ 4 = 20p per mile
This demonstrates why the same electric car can have dramatically different running costs depending on the driver’s charging habits.
Is it Cheaper to Charge an EV Than to Fuel a Petrol or Diesel Car?
For drivers who primarily charge at home – particularly overnight – electric driving can offer a substantial energy-cost advantage.
The comparison becomes less straightforward when an EV relies heavily on expensive rapid charging.
For example, a petrol car achieving 40mpg will have a significantly different cost per mile depending on current pump prices, while an EV’s cost varies according to both its efficiency and charging tariff.
Rather than assuming that an EV is always cheaper in every charging scenario, the more useful comparison is:
Home-charged EV vs petrol/diesel: usually where the strongest savings are available.
Rapid-charging-dependent EV vs petrol/diesel: the cost difference can become much narrower.
This is another reason why access to convenient home or workplace charging can make such a difference to the economics of EV ownership.
5 Practical Ways to Reduce Your EV Charging Costs
One of the simplest ways to reduce your EV charging costs is to pay less for the electricity you use. Here’s how:
Use an Off-Peak EV Tariff: If your electricity supplier offers lower overnight rates, scheduling charging during these periods can substantially reduce your cost per kWh.
Install a Dedicated Home EV Charger: A smart home EV charger gives you greater control over charging schedules and allows you to automatically take advantage of cheaper electricity periods.
Use Workplace Charging Where Available: Some businesses provide free or subsidised EV charging for employees, reducing reliance on commercial public charging networks.
Keep Rapid Charging for When You Need It: Rapid and ultra-rapid charging is extremely useful on long journeys, but paying premium public rates for everyday charging can significantly increase annual EV running costs.
Compare Public Charging Prices: Public charging tariffs vary between networks and locations. Check the price per kWh before starting a session and look out for membership discounts, subscription rates or other charging offers where appropriate.
Home vs Public vs Rapid Charging: Which Is Best?
There isn’t one charging method that works for every journey.
For everyday commuting and regular overnight charging, home charging is usually the most economical and convenient option.
For drivers who cannot install a charger at home, public AC and destination charging can provide an alternative for regular charging.
And when covering long distances, rapid and ultra-rapid DC charging provides the speed required to get back on the road quickly.
Many EV drivers will therefore use a combination of all three rather than relying exclusively on one charging method.
Charge Smarter and Spend Less
The cost to charge an electric car in the UK ultimately comes down to where, when and how you charge. While public Rapid and Ultra-rapid chargers provide valuable speed and convenience on longer journeys, home charging combined with an off-peak electricity tariff can be a more economical choice for everyday EV charging.
Choosing the right charging solution can make EV ownership more convenient while giving you greater control over your ongoing charging costs.
At CITA EV, we provide smart and reliable EV charging solutions for homes, workplaces, businesses and commercial charging locations. From 7kW, 11kW and 22kW AC chargers to high-powered DC fast charging solutions, our range is designed to support different charging requirements across the UK.
Ready to find the right EV charger for your needs?
Explore CITA EV charging solutions today or get in touch with our team for expert guidance.
Frequently asked questions
On a standard home electricity tariff (around 26p per kWh in 2026), a full charge for a 60kWh battery costs roughly £15 to £18. On an off-peak EV tariff, the same charge can drop to around £5. Public charging typically costs more, ranging from £30 on standard chargers to £45-plus on rapid networks.
Home charging is almost always cheaper. Public standard chargers average around 54p per kWh, and rapid chargers average 76p to 80p per kWh, compared with roughly 8p to 26p per kWh at home depending on your tariff.
For a 60 to 75kWh battery, expect to pay approximately £16 to £20 at home on a standard tariff, £5 to £8 on an off-peak tariff, or £35 to £55 using public rapid charging, depending on the network and battery size.
Charging speed itself doesn’t change how much electricity you use, but faster public chargers (rapid and ultra-rapid) almost always carry a higher price per kWh than slower AC chargers, so speed and cost are closely linked in public charging.
Switch to a dedicated EV or off-peak electricity tariff, install a home EV charger rather than relying on public charging, take advantage of free workplace charging where offered, and reserve rapid charging for longer journeys rather than daily use.
