The Charge Sheet: How UK Public EV Pricing Adds Up in 2026
Photo: Sailko, CC BY 3.0, via Wikimedia Commons
Public charging in the UK is not a single market with a single price. It is a collection of networks, sites and payment routes, each with its own tariff structure. The result is that two drivers in the same model of car, arriving at the same charger with similar battery levels, can pay different amounts — and a driver can pay a different amount at the same charger depending on how the session is started.
Two units, two messages
Most public charging is priced in pence per kilowatt hour (p/kWh), the same unit used on a domestic electricity bill. This is the energy price: it tells the driver what a given amount of electricity costs. A second model prices by the minute. Time-based pricing can reflect the cost of occupying a bay, the speed of the charger, or the network’s need to recover the cost of a high-power site. For a car that accepts a high charging rate, a per-minute tariff can be competitive; for a car that tapers quickly, it can be poor value. The units are not directly comparable without knowing the charging speed and the session length.
UK regulation has pushed the market towards clearer pricing and wider contactless payment, especially on rapid chargers. The direction is transparency, but the format is not uniform. Some chargers still require an app, an RFID card or a network account; others accept a bank card at the point. A driver who has not checked beforehand may find that the advertised price is available only through one route.
Why the same car costs different amounts
Four factors explain most of the variation. The first is charging speed. A 150 kW rapid charger on a motorway will usually carry a higher p/kWh rate than a 7 kW destination charger in a hotel car park, because the site costs more to build and the turnover is faster. The second is the car’s charging curve. A battery accepts power quickly at low state of charge and slows as it fills; a session from 20% to 80% can take far less time than a session from 80% to 100%, even though the second adds less energy. The third is the add-ons: session fees, idle fees after a grace period, parking charges, and in some cases a minimum spend. The fourth is tax. Public charging is subject to 20% VAT, while domestic electricity carries 5%. Most public prices are shown VAT-inclusive, but a buyer comparing home and public charging should check the basis of each figure.
Roaming adds another layer. Aggregator apps and roaming partnerships let a driver start a charge on several networks through one account. That convenience can carry a margin, and the price in the app may not match the price on the network’s own app or contactless reader. The same charger can therefore have several prices, depending on the route used to pay.
A journey, not a tariff
Consider a 60 kWh car charged from 20% to 80%. The battery needs about 36 kWh, and the meter will supply slightly more because of losses. At 79p/kWh, the energy costs about £28.44; at 55p/kWh, about £19.80. Add a £1 session fee, an idle fee after ten minutes, and a higher motorway rate, and the difference across one stop can exceed £10. Over a journey with two stops, the gap widens. The lesson is not that one network is always cheaper; it is that the cost of a journey depends on the combination of speed, state of charge, payment route and time spent in the bay.
Cost per mile is a more useful measure than p/kWh alone. A car that uses 3.5 miles per kWh and charges at 70p/kWh costs about 20p per mile in energy. The same car at 50p/kWh costs about 14p per mile. Those figures exclude any session or idle fees, and they assume the driver stops at the planned state of charge. In practice, motorway charging is often bought at a premium because it is convenient and fast; destination charging is often cheaper because it is slower and tied to a stay.
What to check before choosing an EV
The first check is home charging. A household with off-street parking and a suitable tariff will do most of its charging at domestic rates, and public charging becomes an occasional expense rather than the main one. A household without off-street parking should look more closely at local public charging, including lamp-post chargers, council sites and supermarket bays, and at the payment methods those sites accept.
The second check is the car’s real-world efficiency and charging speed. A car that accepts 150 kW will make better use of a rapid charger than one capped at 50 kW. A car with a larger battery can go further between stops, but it also takes longer to fill. The useful comparison is not the headline range but the time and cost of the stops a driver actually makes.
The third check is network access. Before committing to a car or a long journey, a driver should confirm which networks cover the route, whether contactless is available, whether an app or RFID card is needed, and whether roaming adds a fee. It is also worth checking the network’s reliability record and its customer service route, because a failed session at a remote site is a different problem from a failed session at a motorway service area.
A short checklist for the forecourt
Read the unit: p/kWh, p/minute, or both. Check whether VAT is included. Look for session fees and idle fees, and note the grace period. Confirm the payment route and whether the price differs between contactless, app and roaming. Check the charger’s rated speed and whether it is shared with another connector. Keep the receipt: it is the only reliable record of what was actually charged. And compare cost per mile, not just the headline tariff.
Public charging in 2026 is more transparent than it was a few years ago, but it is not yet simple. The buyer who understands the units, the add-ons and the payment routes will make better decisions — about the car, the network and the journey — than the buyer who compares only the largest number on the pole.
