EV Charging Costs UK: Home vs Public Charging Compared

Charging an electric car in the UK can cost anywhere from 2p to 92p per kWh depending on where you plug in, and that gap is the single biggest factor in what an EV actually costs to run. This guide breaks down exactly what UK drivers pay to charge at home versus on the public network in 2026, so you can see where your money is going and how to spend less of it.

Home vs Public EV Charging Costs at a Glance

The Ofgem energy price cap sets the standard variable-tariff electricity rate at 26.11p per kWh from 1 July 2026. Dedicated off-peak EV tariffs, such as Octopus Intelligent Go or OVO Charge Anytime, bring this down to as little as 6.7p–9p per kWh overnight (typically 11pm to 6am). That gap is the single biggest lever you have over your running costs.

Home Charging: The Cheapest Way to Power an EV

Around 80–85% of UK electric car charging happens at home. Home charging on an off-peak EV tariff is between seven and ten times cheaper per kWh than using a public rapid charger.

• Standard rate home charging at the Ofgem July 2026 cap of 26.11p/kWh: a full 60kWh battery costs approximately £15.67, around 7p–8p per mile for an average-efficiency EV.
• Off-peak EV tariff home charging at 7p–9p/kWh: the same full charge costs £4–£5 and drops to roughly 2p–3p per mile.

Over a year of typical UK driving (8,000 miles), switching from a standard tariff to an off-peak EV tariff can save well over £500 in home charging costs alone.

A dedicated home wallbox (7kW) typically costs £800–£1,200 installed and charges a typical EV overnight in 8–9 hours.

Grant support: the government's EV Chargepoint Grant now covers 75% of the cost of buying and installing a home chargepoint, up to a maximum of £500, but it's only available to renters and flat owners with dedicated off-street parking.

Public Charging Costs in the UK

According to Zapmap's UK EV Charging Price Index, the weighted average pay-as-you-go price to charge on the public network in mid-2026 was:

• 54p/kWh on standard and fast chargers (3kW–49kW)
• 79p/kWh on rapid and ultra-rapid chargers (50kW and above)

Public Rapid Charging Network Prices (2026)

Cost Per Mile: EV vs Petrol in 2026

For a driver doing 8,000 miles a year mostly on home charging, the saving over an equivalent petrol car is roughly £960–£1,600 annually. If you rely entirely on motorway rapids at 89p/kWh or above, you're paying broadly the same per mile as filling up with petrol.

How Battery Size Changes Your Charging Cost

5 Ways to Reduce Your EV Charging Costs

1. Switch to a dedicated EV tariff: Off-peak tariffs bring home charging as low as 6.7p/kWh overnight.
2. Charge at home first: Treat public charging as an occasional top-up rather than your default.
3. Compare rapid networks: Check apps like Zapmap for live pricing and availability before you arrive.
4. Seek out free or subsidised chargers: Look for destination charging at supermarkets, hotels, and workplaces.
5. Consider home solar: Solar panels generate clean energy that can power your daily charging needs.