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How many joules of energy are in an electric car?

I’m interested in electric cars, and I’d love to know more in-depth about how they work from a physics perspective. How many joules of energy are in an electric car?

avatar
Allison Stone · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
In a combustion engine car, the average engine puts out about 100 horsepower. One horsepower is equal to 74,600 joules per second.
With electric cars, things work a little bit differently because they are measured with kilowatts per hour rather than horsepower. On average, it takes 25 kWh per 100 miles to power the motor of a compact
electric car
.
For an electric car with a 25 kWh motor, it would take 900 million joules of energy to travel 1,000 miles.
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