Free tool · Depot charging

Estimate whether your depot can recharge the electric fleet overnight.

Enter an initial assumption for vehicles, distance, consumption, schedules, chargers and available site power. Get a clear energy, power and capacity estimate before moving to route-level analysis.

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A concrete answer to a concrete question

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Energy

How much energy the fleet must recover during the available charging window.

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Power

The average power required and the real limiting factor at the depot.

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Chargers

The minimum active chargers required by power, without assuming one per vehicle.

Initial estimate

Overnight depot capacity

The tool uses one representative daily consumption per vehicle. A procurement decision still requires route distributions, individual schedules and adverse scenarios.

Scenario inputs

Electric vehicles Vehicles that must be ready for the next departure. Daily kilometres per vehicle Use a representative value, not a fleet-wide average when routes differ materially. Expected consumption (kWh/100 km) Include a realistic assumption for payload, climate and driving pattern. Charging efficiency (%) Accounts for losses between the grid and the battery. Return time Time from which the fleet can start charging. Departure time Time by which the vehicles must be available. Power per charger (kW) AC or DC power that the vehicle can actually use. Active chargers Units able to charge simultaneously, not only pre-wired bays. Power available to the fleet (kW) Net power after other site loads have been deducted. Operating margin (%) Reserve for consumption variation, late returns or demanding days.

How to read the result

Enough energy does not mean a robust operation

Energy versus power

Needing 400 kWh overnight does not mean needing 400 kW instantaneously. The charging window converts energy into average power.

Dedicated versus shared

Several vehicles can share infrastructure, but manual rotation and late returns reduce resilience.

Margin before scaling

A depot operating at 95% in an average calculation is unlikely to support commercial deployment without additional rules.

What this calculator does not validate

The result is an initial depot hypothesis, not permission to procure vehicles or install infrastructure.

— P90, maximums and variability for each route family.
— Individual return and departure times for every vehicle.
— Payload, cold weather, refrigeration, elevation or battery degradation.
— Charging priorities, bay rotation or one charger out of service.
— Electrical design, protections, civil works or the real grid connection limit.

Choose the next step for your question

Validate with real data

BaseFit Starter classifies routes, finds the bottleneck and recommends a first phase.

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Understand charger numbers

A guide to energy, power, concurrency and shared chargers.

Read the guide →

Compare the business case

Estimate TCO, CAPEX, payback and a broader transition scenario.

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Apply it to last mile

Connect routes, vehicles, site power, chargers and daily operation.

See last mile →