Charging Stations

Top five things to know about workplace charging:

1. EV Types

Understanding the two types of EVs will help you provide a charging experience your employees will appreciate. “EV” refers to any vehicle with a plug and can be either a battery electric or a plug-in hybrid vehicles.

  • Battery Electric Vehicle
    • A battery EV is an all-electric car fueled only by electricity. They are emission free and have a driving range of between 80 and 250 miles, making them ideal for employee commutes.
  • Plug-In Hybrid
    • A plug-in hybrid EV has both an electric motor connected to a battery and an internal combustion engine. The car runs on the energy stored in the battery and can travel additional miles on gasoline with higher fuel efficiency than conventional cars.

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2. Where to install charging

When evaluating your parking lot, the ideal location to install EV charging is near existing electrical infrastructure to reduce costs. The farther away chargers are installed from this in­frastructure the more it will complicate the installation and increase costs. Plan for future employee EV adoption to save costs on design and construction for the longer term. Other costs to consider are equipment, maintenance and electricity.

3. How many to install

To best understand how many EV chargers to install is to know how many employees currently drive electric and how many are considering driving electric. Survey employees and ask:

1) Do you currently drive electric?
2) If not, do you plan to purchase an electric car in one to three years? 

4. What chargers to install

A range of EV charging options at various speeds are available, with Level 2 most common at workplaces.

  • Level 1 chargers are the least expensive and charge the slowest by providing 4 miles of range per hour, or 32 miles over 8 hours. This pace can serve employees who do not require faster refueling.
  • Level 2 chargers are common among workplaces because they support charge rates of roughly 25 miles of range per hour. Faster chargers provide flexibility to develop parking policies allowing employees to rotate their cars during the day if needed to accommodate growing numbers of electric vehicles.
  • DC fast chargers are most often located along well-traveled thruways and can provide up to 80% of a vehicle’s charging need in 30 minutes.

5. Create a charging policy

Organizations offering workplace charging can benefit from setting clear guidelines in the areas of usage, sharing, and pricing to help ensure a safe and successful charging experience for all. For pricing, some workplaces prefer employees pay for electricity, while others consider it an employee benefit and do not require employees to pay for charging. To develop your charging policy, consider engaging employees in the effort to fully understand their charging needs.

Here is an example of a workplace charging policy (PDF) by the U.S. Department of Energy.

Once you have installed your charging stations, engage with employees on how they can take advantage of this benefit.

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