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Energy
The energy the fleet must recover within the available charging time.
Depot charging calculator
Check whether your depot can recharge the whole fleet before the next departure.
Enter the number of vehicles, daily distance, energy consumption, operating times, charger power and available site power. The calculator estimates the energy required, the main bottleneck and the remaining charging margin.
The three figures that shape depot charging
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Power
The average power required and the factor that limits the depot's real capacity.
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Chargers
How many chargers must operate at the same time, without assuming one charger per vehicle.
Calculator
Calculate your depot charging capacity
This calculation uses one representative day for all vehicles. It provides a useful first estimate; before investing, compare it with real routes, individual vehicle schedules and the most demanding operating days.
What the result means
A calculation that works is not necessarily a robust operation
Energy and power are not the same
Recovering 400 kWh overnight does not require 400 kW of power. A longer charging window reduces the average power needed.
Chargers can be shared
Several vehicles can use the same infrastructure, but manual rotation, late arrivals and charging priorities reduce operational margin.
Leave room for real operations
A scenario that uses 95% of available capacity on an average day will be vulnerable to any delay, deviation or equipment failure.
What this calculation does not cover
Use the result as an initial sizing guide, not as a substitute for an electrical and operational assessment.
- — The real distribution of distance and energy use across routes and operating days.
- — The return and departure times of each individual vehicle.
- — The effects of payload, cold weather, refrigeration, elevation and battery degradation.
- — Charging priorities, parking-bay changes and an unavailable charger.
- — Electrical design, including the grid connection, protection equipment, civil works and site constraints.
Take the analysis further
Check your real routes
BaseFit Starter identifies which routes can be electrified, locates the main constraint and proposes a realistic first phase.
Explore BaseFit Starter →Calculate how many chargers you need
See how energy, power, simultaneous charging and shared infrastructure affect charger numbers.
Read the guide →Review the business case
Compare TCO, upfront investment, payback and different transition scenarios.
Open the business-case calculator →Apply it to a last-mile operation
Connect routes, vehicles, site power, chargers and the depot's daily operating plan.
See the last-mile solution →