Understanding the Cost to Charge an Electric Car

Infographic showing factors affecting electric car charging costs, including electricity rates, charger types, and vehicle models, with comparisons of home vs. public charging

Electric Vehicle Charging Costs: What Influences Them?

The cost to charge an electric vehicle can vary significantly and is influenced by a few key factors:

  1. Electricity Rates: The price of electricity in your area is the primary factor. Rates can vary by location, time of day (peak vs. off-peak hours), and the specific plan you have with your utility provider.
  2. Charging Location: Charging at home is often cheaper than using public charging stations, where fees might include parking charges on top of the electricity cost.
  3. Type of Charger: Level 1 chargers (standard 120V outlets) are slower but don’t require special installation, making them cheaper for home use. Level 2 chargers (240V) charge faster but may require professional installation. DC fast chargers are the quickest but the most expensive due to high power usage and typically are found in public stations.
  4. Vehicle Model: The EV’s battery size and efficiency also play a role. A larger battery may offer more range but will cost more to charge fully.

Estimating the Cost to Charge Your EV

To estimate the cost to charge your EV, consider the following formula:

\text{Cost} = \text{Battery Capacity (kWh)} \times \text{Electricity Rate ($/kWh)}

For example, if your EV has a 60 kWh battery and the electricity rate is $0.13 per kWh, the cost to charge from 0 to 100% would be approximately $7.80.

Benefits of Electric Vehicles Beyond Charging Costs

While the focus is often on the cost to charge, it’s essential to consider the broader benefits of EV ownership:

  • Lower Operating Costs: Despite the charging costs, EVs generally have lower operating costs compared to gasoline vehicles due to fewer moving parts requiring maintenance.
  • Environmental Impact: EVs produce zero tailpipe emissions, contributing to cleaner air and reduced greenhouse gas emissions, especially when charged from renewable energy sources.
  • Energy Independence: Using domestically produced electricity to charge EVs can reduce dependence on imported oil, enhancing energy security.
  • Incentives and Rebates: Many governments offer incentives for EV purchase and installation of home charging equipment, which can offset the initial costs.


The cost to charge an electric car varies but is just one piece of the EV ownership puzzle. When considering the total cost of ownership, EVs can offer significant savings and benefits over their lifetime. As electricity rates and EV technology continue to evolve, these advantages are likely to increase, making electric vehicles an increasingly wise investment for the eco-conscious driver.

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  • Rapid

    DC charging

    Every vehicle is plugged in.

    Now any specific car can be charged in minutes rather than hours on slow AC charging. A game-changer for drivers and operations teams. 

  • Every space

    EV ready

    DockChain makes it possible, and affordable, to make every space in a car park ready for EV charging. Give certainty to drivers that there will be a charging bay available and remove the operational cost and hassle moving cars on and off chargers. 

  • Customer experience

    Tethered cables make it convenient for users. CCS cables to match the industry standard for high powered DC charging. Charging session authorisation can be configured to operator requirements (app enabled, RFID, open use, etc.)

  • Ease of


    DockChain reduces ground works required for installation. Chain cables run in a shallow trench, wall mount, or lay in a cable tray to reach every parking space. The power supply cabinet connects and can be positioned in a convenient location at your site.

  • Scale & upgrade

    DockChain is flexible allowing you to increase the number of charging Docks as demand increases. E.g. Enable 10 spaces, then easily double this in the future. DockChain can be upgraded too, allowing larger capacity additions in the future without upheaval to any existing installation.

  • Battery

    cost savings

    With DockChain's rapid DC charging, a fleet operator could shift from purchasing larger capacity battery vehicles to more affordable smaller capacity ones as rapid turnaround makes it operationally possible to top-up frequently without impacting operations. Ideal for distribution/ delivery firms.

  • Charge when power is

    cheaper & greener

    Charging several EVs makes you a high electricity user subject to fluctuating grid prices. Slow AC charging requires constantly charging to complete in the  available time. DockChain's DC power enables more flexible timing of charging so you can put more kilowatts in your EVs at lower prices.

  • System integration

    DockChain can be stand-alone or fully integrated to your existing IT infrastructure. Charging can be matched to fleet or booking requirements (E.g. Car Rental / Distribution), integrated to customer systems and payments (e.g. hotel bookings or office parks). Analytics and power management are all configurable. 

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