Fleet & Depot
Logistics Fleet - 40 x 22 kW AC + Buffer
A regional distribution operator electrifying its last-mile van fleet needed overnight charging for 40 vans at a depot whose supply was sized for the previous diesel operation.
40 AC points
Scope
93 kWh buffer
Configuration
Overnight
Operation
Figures below are as reported for this installation. Grid capacity, site layout and operating pattern change the numbers any other project will see.
40 AC points93 kWh bufferOvernight
The challenge
Charging 40 vans overnight within the existing import required careful scheduling, and the operator wanted room to grow the fleet.
Solution
- Forty 22 kW AC wallboxes split across two depot buildings
- A 93 kWh LiFePO4 buffer to smooth the depot load during the charging window
- Scheduled charging with departure-time prioritisation
- Load management across buildings on a single contracted capacity
Implementation
1Route and duty cycle analysis
2Load study and buffer sizing
3Rollout in three phases alongside the van transition
Outcome
- 40 vans charged overnight on the existing supply
- No change to the contracted capacity
- Depot ready to add 10 further points without a supply change
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