How Much Does It Cost to Run an E-Bike Charger in the UK? (2026)
An e-bike battery holds 400 to 750 watt-hours, so a full charge costs less than a tenth of a kWh in most regions. It is one of the cheapest forms of transport available.
A typical e-bike charger (100 W) costs £0.026 per hour, or about £2.37 per month at 3 hours a day in the UK. Cheap to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low 40 W | £0.011 | £0.079 | £2.37 | £28.82 |
| Typical 100 W | £0.026 | £0.079 | £2.37 | £28.82 |
| High 200 W | £0.053 | £0.079 | £2.37 | £28.82 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 3 h/day ≈ 110 kWh per year. A more powerful model does the same job faster, so it uses the same energy: the cost per hour changes from row to row, the cost per day does not.
One hour of an e-bike charger (0.10 kWh) is the same electricity as
- 2.0hours of a fridge
- 2.2hours of a laptop
- 10hours of Wi-Fi
- 11hours of an LED bulb
In the UK, with electricity at 26.3p per kWh (source: Ofgem price cap 1 Oct–31 Dec 2026, 2026-10), a typical e-bike charger costs £0.026 per hour and about £28.82 per year at 3 hours a day. Each £1.00 of electricity buys roughly 38.0 hours of use.
How to lower the cost of running an e-bike charger
- Charge indoors at room temperature. Cold batteries charge slowly and inefficiently.
- Unplug the charger when done. Some draw a watt or two idle.
- Store the battery at 40 to 80 percent if unused for weeks.
In standby it draws about 1 W, which adds roughly 9 kWh (£2.31) per year if it is never unplugged.
Frequently asked questions
How much does it cost to charge an e-bike?
About 0.5 to 0.8 kWh per full charge including losses, a few cents.
How far does one kWh take an e-bike?
Roughly 50 to 100 km, depending on assist level and terrain.
Does an e-bike charger use electricity when the battery is full?
Around 1 watt, negligible.
Cost by region
US states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Canadian provinces
Related appliances
- Engine Block Heater750 W typical
- Golf Cart Charger900 W typical
- Electric Scooter Charger80 W typical
- Electric Vehicle Charger (Home)7,200 W typical
Use the generic electricity cost calculator · Which uses more? Take the quiz