Factors Affecting Charging Speed

Have more questions? Submit a request

This guide details the various technical and environmental factors that can influence the speed and duration of your charging session, ensuring you know what to expect when plugging into the EVCS network.


Station and Grid Factors

These factors relate to the hardware, local site conditions, and electrical grid performance.

Station Capacity and Load

  • Charger Maximum Power: The higher the charger's power rating (measured in kilowatts, or kW), the faster it is capable of charging your vehicle.

  • Station Load: If multiple vehicles are charging at the same station simultaneously, the shared power output may reduce speeds.

  • Site Load: The total electrical load on the entire site (e.g., other businesses drawing power) can affect individual charging speeds.

Grid and External Management

  • Demand Response: Adjustments made by electrical grid operators to manage area-wide electricity demand may temporarily affect charging speeds during peak times.


Vehicle and Environmental Factors

These factors are specific to your car's condition and the weather.

Vehicle Battery Conditions

  • Vehicle Charging Curve: Charging is affected by your vehicle’s current charge level. Charging speeds often slow down as the battery approaches its maximum capacity.

  • Battery Health and Limits: Your vehicle's current battery condition, battery temperature, and its maximum charge rate limit the power it can accept from the station.

Ambient Conditions

  • Ambient Temperature: Extreme cold or hot temperatures can significantly impact charging efficiency, as the vehicle's thermal management system must adjust the charging rate to protect the battery.

Articles in this section