How Much Does It Cost to Charge a Tesla at Home in the UK?
Updated June 2026 · UK electricity prices current
The answer depends on your Tesla model and electricity tariff. Here are the exact figures for every combination.
Full charge cost by model and tariff
| Tesla model | Battery | Octopus Go (off-peak) | Standard tariff | Peak standard tariff |
|---|---|---|---|---|
| Model 3 RWD (Highland) | 60 kWh | £4.20 | £16.80 | £21.00 |
| Model Y RWD | 75 kWh | £5.25 | £21.00 | £26.25 |
| Model S Long Range | 100 kWh | £7.00 | £28.00 | £35.00 |
Cost calculated from 0% to 100% of usable battery capacity. In practice, most owners charge 20–80% for battery health.
Tesla running cost per mile
| Tesla model | Efficiency | Octopus Go (off-peak) | Standard tariff | Peak standard tariff |
|---|---|---|---|---|
| Model 3 RWD (Highland) | 4.1 mi/kWh | 1.7p/mi | 6.8p/mi | 8.5p/mi |
| Model Y RWD | 3.7 mi/kWh | 1.9p/mi | 7.6p/mi | 9.5p/mi |
| Model S Long Range | 3.2 mi/kWh | 2.2p/mi | 8.8p/mi | 10.9p/mi |
Compare Tesla running costs against your current car
Use the cost calculatorFrequently asked questions
How much does a full charge cost for a Tesla Model 3 at home?
A Tesla Model 3 RWD (Highland, 60kWh battery) costs between £4.20 and £21.00 for a full charge from empty, depending on your electricity tariff. On a standard 28p/kWh tariff, a full charge costs approximately £16.80. On an overnight EV tariff like Octopus Go at 7p/kWh, it costs around £4.20.
How much does it cost to charge a Tesla Model Y at home?
A Tesla Model Y RWD (75kWh battery) costs between £5.25 and £26.25 for a full charge from empty. At a standard 28p/kWh tariff, a full charge costs approximately £21. On an overnight EV tariff at 7p/kWh, it costs £5.25.
Is charging a Tesla at home cheaper than petrol?
Yes, significantly cheaper for most drivers. At a standard 28p/kWh tariff, a Tesla Model 3 costs approximately 6.8p per mile to run — versus 16–18p per mile for a comparable petrol saloon. On a cheap overnight tariff at 7p/kWh, this drops to 1.7p per mile.
What is the cheapest way to charge a Tesla at home in the UK?
The cheapest option is a dedicated overnight EV electricity tariff like Octopus Go, which charges around 7p/kWh during off-peak hours (typically 00:30–04:30). To access these tariffs you need a smart meter. A standard home charger (7.4kW wallbox) will fill a Model 3 from 20–80% in under 6 hours — comfortably within the off-peak window.