Oops, I was off a little (https://www.electricbike.com/watt-hours/ https://www.electricbike.com/watt-hours/), but what's an order of magnitude between friends?

Oops, I was off a little (https://www.electricbike.com/watt-hours/ https://www.electricbike.com/watt-hours/), but what's an order of magnitude between friends? That should be ~20 Wh per mile, so 0.2¢ per mile with some of the pricier electricity in the US.