How much does it cost to run an e-bike charger?
An e-bike charger drawing 150 watts, used 4 hours a day, uses about 0.60 kWh per day and costs about $0.12 per day, $3.55 per month, and $42.51 per year at the US average residential rate of 19.4¢/kWh. Enter your own wattage, hours, and state below for an exact figure.
Estimates only — based on typical wattages and average state rates, not your actual bill.
What drives the cost
Charging an e-bike is remarkably cheap — a typical 500 Wh battery costs a few cents to fill completely. Even daily charging adds a negligible amount to a bill, which is one reason e-bikes compare so favorably with driving on a per-mile basis.
Cost at different daily usage
Same e-bike charger at 150 watts, run for different amounts of time, at 19.4¢/kWh.
| Usage | kWh/day | Per day | Per month | Per year |
|---|---|---|---|---|
| 2 h/day | 0.30 kWh | $0.06 | $1.77 | $21.25 |
| 4 h/day | 0.60 kWh | $0.12 | $3.55 | $42.51 |
| 6 h/day | 0.90 kWh | $0.17 | $5.32 | $63.76 |
| 8 h/day | 1.20 kWh | $0.23 | $7.09 | $85.02 |
Cost by model power draw
Not all models are equal. At 4 h/day, here is what the range costs.
| Model | Power | kWh/day | Per day | Per month |
|---|---|---|---|---|
| Low-draw model | 80 W | 0.32 kWh | $0.06 | $1.89 |
| Typical | 150 W | 0.60 kWh | $0.12 | $3.55 |
| High-draw model | 400 W | 1.60 kWh | $0.31 | $9.45 |
Cost by state
An e-bike charger at 150 W for 4 h/day, priced at each state's average residential rate.
| State | Rate | Per day | Per month | Per year |
|---|---|---|---|---|
| Alabama | 16.8¢ | $0.10 | $3.06 | $36.73 |
| Alaska | 28.2¢ | $0.17 | $5.16 | $61.82 |
| Arizona | 15.2¢ | $0.09 | $2.78 | $33.35 |
| Arkansas | 14.4¢ | $0.09 | $2.62 | $31.45 |
| California | 33.2¢ | $0.20 | $6.07 | $72.82 |
| Colorado | 16.2¢ | $0.10 | $2.95 | $35.39 |
| Connecticut | 27.4¢ | $0.16 | $5.00 | $59.94 |
| Delaware | 19.4¢ | $0.12 | $3.54 | $42.44 |
| District of Columbia | 25.4¢ | $0.15 | $4.64 | $55.63 |
| Florida | 15.2¢ | $0.09 | $2.77 | $33.22 |
| Georgia | 15.8¢ | $0.10 | $2.89 | $34.69 |
| Hawaii | 52.0¢ | $0.31 | $9.50 | $113.88 |
| Idaho | 12.3¢ | $0.07 | $2.26 | $27.05 |
| Illinois | 23.9¢ | $0.14 | $4.36 | $52.23 |
| Indiana | 18.1¢ | $0.11 | $3.31 | $39.75 |
| Iowa | 14.1¢ | $0.08 | $2.58 | $30.97 |
| Kansas | 15.1¢ | $0.09 | $2.76 | $33.13 |
| Kentucky | 15.0¢ | $0.09 | $2.74 | $32.81 |
| Louisiana | 14.2¢ | $0.08 | $2.58 | $30.99 |
| Maine | 28.6¢ | $0.17 | $5.23 | $62.70 |
| Maryland | 21.8¢ | $0.13 | $3.98 | $47.68 |
| Massachusetts | 28.8¢ | $0.17 | $5.26 | $63.12 |
| Michigan | 22.0¢ | $0.13 | $4.02 | $48.20 |
| Minnesota | 16.9¢ | $0.10 | $3.10 | $37.12 |
| Mississippi | 16.2¢ | $0.10 | $2.95 | $35.39 |
| Missouri | 13.7¢ | $0.08 | $2.50 | $29.96 |
| Montana | 14.7¢ | $0.09 | $2.68 | $32.13 |
| Nebraska | 13.6¢ | $0.08 | $2.48 | $29.76 |
| Nevada | 13.6¢ | $0.08 | $2.48 | $29.78 |
| New Hampshire | 27.3¢ | $0.16 | $4.99 | $59.85 |
| New Jersey | 23.3¢ | $0.14 | $4.25 | $50.96 |
| New Mexico | 14.1¢ | $0.08 | $2.58 | $30.92 |
| New York | 29.9¢ | $0.18 | $5.47 | $65.55 |
| North Carolina | 15.1¢ | $0.09 | $2.76 | $33.05 |
| North Dakota | 13.6¢ | $0.08 | $2.49 | $29.81 |
| Ohio | 19.5¢ | $0.12 | $3.57 | $42.75 |
| Oklahoma | 13.4¢ | $0.08 | $2.44 | $29.30 |
| Oregon | 16.3¢ | $0.10 | $2.97 | $35.63 |
| Pennsylvania | 21.6¢ | $0.13 | $3.94 | $47.19 |
| Rhode Island | 29.5¢ | $0.18 | $5.38 | $64.52 |
| South Carolina | 16.2¢ | $0.10 | $2.96 | $35.43 |
| South Dakota | 15.7¢ | $0.09 | $2.87 | $34.45 |
| Tennessee | 14.5¢ | $0.09 | $2.64 | $31.69 |
| Texas | 16.4¢ | $0.10 | $3.00 | $36.00 |
| Utah | 13.0¢ | $0.08 | $2.37 | $28.38 |
| Vermont | 24.9¢ | $0.15 | $4.55 | $54.51 |
| Virginia | 17.6¢ | $0.11 | $3.22 | $38.57 |
| Washington | 14.9¢ | $0.09 | $2.73 | $32.74 |
| West Virginia | 16.8¢ | $0.10 | $3.07 | $36.79 |
| Wisconsin | 19.7¢ | $0.12 | $3.61 | $43.23 |
| Wyoming | 14.8¢ | $0.09 | $2.70 | $32.41 |
How to cut the cost
- Charge to 80-90% for daily riding; it costs less and is easier on the battery.
- Unplug once complete rather than leaving the charger connected for days.
- Charge indoors at moderate temperature — cold batteries accept charge less efficiently.
Compare with related appliances
Monthly cost at typical usage and 19.4¢/kWh.
Questions
How much does it cost to charge an e-bike?
A 500 Wh battery takes about 0.5-0.6 kWh to fill including charger losses — typically under 15 cents at average US rates.
How do you calculate what an e-bike charger costs to run?
Multiply its wattage by the hours it runs per day, divide by 1,000 to get kilowatt-hours, then multiply by your electricity rate. For an e-bike charger: 150 W × 4 h ÷ 1,000 = 0.60 kWh per day, which at 19.4¢/kWh is $0.12 per day.
How many watts does an e-bike charger use?
Typically 150 watts, with most models falling between 80 and 400 watts. The label on the appliance or its power supply gives the figure for your specific unit.