How Much Does It Cost to Charge an EV at Home?
The first time I seriously looked at an electric vehicle, the purchase price wasn't the only number I wanted to know. I wanted to know what would happen after I parked it in my garage. How much would charging an EV at home actually add to my electric bill every month? That's a surprisingly easy question to answer once you know three things: how many miles you drive, how efficient the vehicle is, and what your utility charges per kilowatt-hour. But there's another cost that gets mixed into the conversation: the charger itself. So let's separate the two. First, we'll calculate what it costs to put electricity into the car. Then we'll look at the cost of setting up home charging. EV Home Charging Cost: Quick Answer A useful starting formula is: Monthly EV Charging Cost Miles Driven ÷ Vehicle Efficiency × Electricity Rate For example, suppose I drive 1,000 miles per month and my EV averages 3.5 miles per kWh. The vehicle would need roughly...