3 Tricks To Build Your EV Fleet

The number of Electric Vehicles in U.S. Fleets

1. Analyse your current stay-time of vehicles

Fleet operators are experts at multitasking. Every day they manage several things at once; vehicle staffing, preloading, uploading, planned maintenance, vehicle inspections, etc.

Required charging power to charge fleet vehicles

2. Predict your cost of operation and installation costs

Fleet operators can reduce costs by planning EV implementation and choosing energy-efficient charging methods.

  • Operation cost: Demand charges account for 90% of total energy costs. At the moment, companies pay between 10 to 30 USD/kW to the utility company. For example, 50 EVs charging at 80 kW each, adds up to $1.5M annual cost (not including cost per kWh).
  • Installation cost: Fleet depots are often next to warehouses or fulfillment centers with access to high power grids only. Therefore, an extended grid connection is needed for new charging stations at the depot. Grid upgrades cost around 500 -1,000 USD per kW. For example, 50 vehicles charging at 80 kW each, will cost around $1M to $3M one-time investment (not including the actual charging stations). Alternatively, companies can change their entire supply chain to charge vehicles at other locations, but this is likely to cost just as much, if not more.
Total costs when installing EV chargers for fleet vehicles
Total Costs of Operation and Installation for EV Chargers

3. Take action to install more EVs and charging stations at the same cost

By 2030, the US market for energy-optimisation services to support the charging of EV fleets could be worth up to $15 billion per year.

  • Commercial-scale stationary batteries that allow fleet operators to charge EVs faster during a short stay-time, e.g. 2 hours to charge fully.
  • Taking advantage of time-of-use energy prices and matching EV charging to low price energy rates.
  • Identifying vehicles that don’t need full charge for their next journey or vehicles that can stay at the depot for longer. Intelligent monitoring systems such as Ampcontrol can help to reduce kW peaks.

What’s Next?

In summary, to prepare for electrification, fleet managers should:

  • Analyse the stay-time of vehicles at the depots
  • Understand and predict possible cost drivers (operation and installation)
  • Use balancing systems and stationary storage to increase the efficiency of EV charging.



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Joachim Lohse (CEO and founder of Ampcontrol.io)

Joachim Lohse (CEO and founder of Ampcontrol.io)

Founder and CEO of Ampcontrol (https://www.ampcontrol.io/) an AI-powered software for smart charging for electric vehicles.