Insight

# How to Calculate the Cost of Charging Your EV Image by Armando Oliveira

As the demand for electric vehicles (EVs) increases, it’s important to understand the cost of charging them. One of the biggest advantages of owning an EV is the reduced cost of fueling it compared to gasoline-powered cars. However, to take full advantage of these savings, it’s crucial to calculate the cost of charging your EV accurately. In this guide, we’ll explain how to calculate the cost of charging your EV at home.

## How to Calculate the Cost of Charging Your EV at Home

Charging your EV at home is the most convenient and affordable option for most EV owners. The cost of charging an EV at home depends on several factors, such as the cost of electricity, the efficiency of the charger, and the battery size of the EV. Here’s how to calculate the cost of charging your EV at home:

Step 1: Determine your electricity rate

The first step to calculating the cost of charging your EV at home is to determine your electricity rate. Your electricity rate is the amount you pay per kilowatt-hour (kWh) of electricity you consume. You can find your electricity rate on your electric bill or by contacting your utility company. In the United States, the average residential electricity rate is around 13 cents per kWh.

Step 2: Determine your EV’s battery size

The next step is to determine the battery size of your EV. The battery size is measured in kilowatt-hours (kWh). You can find the battery size of your EV in the owner’s manual or by doing a quick internet search.

Step 3: Calculate the cost of charging your EV

To calculate the cost of charging your EV at home, multiply the battery size of your EV by your electricity rate. For example, if your EV has a battery size of 60 kWh and your electricity rate is 13 cents per kWh, the cost of charging your EV at home would be 60 x 0.13 = \$7.80. This calculation gives you an estimate of how much it costs to fully charge your EV at home.

Step 4: Factor in the efficiency of the charger

The efficiency of the charger can also affect the cost of charging your EV. Most EV chargers have an efficiency rating of around 90%. This means that 10% of the energy is lost during the charging process. To factor in the efficiency of the charger, multiply the cost of charging your EV by 1.1. In the example above, the cost of charging your EV with a 90% efficient charger would be 7.80 x 1.1 = \$8.58.

## Overview

Calculating the cost of charging your electric vehicle at home or on the road is an essential aspect of owning an EV. By understanding how to calculate the cost per kWh and factoring in various expenses, you can make informed decisions about when and where to charge your vehicle. It is important to remember that the cost of charging your EV will vary depending on several factors, such as the type of charger, electricity rates, and the distance traveled. With a little bit of effort and knowledge, you can ensure that you are making the most cost-effective decisions when it comes to charging your electric vehicle.