Free EV depot charging planner for Australian bus and truck fleets. This EV charging simulation estimates how many chargers you need, models overnight peak demand (kW/kVA), compares smart charging strategies, and exports a load profile for DNSP and operations discussions.
EV depot charging
EV charging simulation
Monte Carlo charger sizing
AU tariffs & grid outlook
Live previewIndicative preview only — run the simulation for recommended chargers and exportable results.
P95 peak demand1.2 MWUnder site limitReadiness88%Vehicles ready by first pull-outChargers required1512 installed in this scenarioDaily energy10,089 kWh100% peak charger utilisation
Planning preview
Depot load profile
Monte Carlo peaks
Peak distribution
Recommendation
Medium Bus Depot
Smart charging keeps this scenario around 1.2 MW. Plan for 15 chargers and confirm the 2.0 MW supply limit with the DNSP before procurement.
P50 peak
1.2 MW
P90 peak
1.2 MW
Grid headroom
800 kW free
Preview values update instantly while the simulation engine is unavailable.
Planning preview
Indicative annual electricity cost
$1,658,933 / year
Off-peak energy · 7,145 kWh/night
$375,113
Shoulder energy · 8,894 kWh/night
$684,838
Peak energy · 3,631 kWh/night
$406,672
Demand charges on 1.2 MW P95 peak
$187,200
Daily supply charges
$5,110
Run the simulation with a smart or peak-limited strategy to see savings vs uncontrolled charging.
Ausgrid area (Sydney / Central Coast / Hunter) — indicative blended rates. Confirm against your retail contract.
DNSP engagement
Grid connection outlook
Dedicated high-voltage connection
About 1,263 kVA at 0.95 power factor. Expect a negotiated HV connection with a dedicated substation.
Engage the DNSP for a negotiated connection; an augmentation study is likely.
Allow capital budget for an on-site chamber or padmount substation.
Staged energisation can align grid works with fleet delivery timing.
Indicative connection lead time: 9–18 months.
Coming soon
chargingcapacity.io Pro — from A$99/month
Save and compare unlimited scenarios side by side
Edit tariff rates to match your retail contract
DNSP-ready 15-minute load profile exports
Watermark-free reports, white-label option for consultants
Category term
What EV depot charging means for a yard
EV depot charging is restoring bus or truck energy at the home yard — usually overnight — so vehicles leave with enough state of charge. It is a site problem: charger count, kW class, P95 peak demand, and whether today's kVA connection can absorb growth. It is not public DC retail, and it is not a residential wallbox.
Yard, not a public bay
Vehicles return to known bays on a clock you control. EV depot charging plans around dwell and pull-out readiness, not a retail session.
kW and kVA before the catalogue
Nightly energy and the overnight window set the job. Charger kW and bay count then trade against P95 peak kW and headroom versus site supply in kVA.
Strategy changes the peak
Uncontrolled plug-in stacks power at return. Smart or peak-limited EV depot charging spreads the same kWh and can keep a growing fleet inside today's connection band — if the yard enforces the policy and vehicles still hit departure SOC.
What EV charging simulation does for depot planning
EV charging simulation models overnight returns, charger concurrency, and site power so you can test layouts before you freeze bay counts or open a DNSP conversation. Spreadsheets assume an average night; simulation shows readiness and peak kW across many plausible nights.
Monte Carlo nights, not one curve
Vary arrival energy and timing, then read P50 / P90 / P95 peak demand and readiness instead of trusting a single average load profile.
Strategy comparison built in
Run uncontrolled, smart, and peak-limited charging against the same fleet so load management decisions show up in kW, cost, and readiness — not slideware.
Australia-ready units and exports
Work in kW/kVA with indicative commercial tariffs and DNSP-oriented connection bands, then export a CSV load profile or printable feasibility summary for stakeholders.
Run the free EV charging simulation above — pick a bus or truck preset, compare strategies, and export a load profile for internal and network discussions.
Built for Australian fleets
What you can plan in minutes
EV charging simulation
Monte Carlo EV charging simulation for depot fleets — charger count, readiness, and high-percentile peak demand in one run.
Charger sizing
Recommendation for how many depot chargers you need so vehicles are ready by first pull-out.
Peak demand & load profiles
Hourly average, P90, and P95 load curves plus a peak distribution chart for network planning discussions.
Australian tariffs & grid outlook
Indicative TOU and demand charges by network area, local vehicle presets, and DNSP connection bands before you commit capital.
How it works
Run EV charging simulation in four steps
1
Choose a depot preset
Start with Small, Medium, or Large Bus Depot, or Medium Truck Depot — then fine-tune vehicles, daily distance, and charger power.
2
Pick charging strategy
Compare uncontrolled, smart, and peak-limited charging to see how load management changes peak demand and readiness.
3
Run EV charging simulation
Monte Carlo EV charging simulation models overnight returns with energy variation and reports recommended chargers, readiness %, and P95 peak kW.
4
Export for stakeholders
Download a CSV load profile or open a printable Depot Charging Feasibility Report covering costs and grid outlook.
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Depot charging FAQ
Common questions from Australian fleet operators
EV charging simulation models how buses or trucks return overnight, plug in, and draw power under a chosen strategy. A good depot run reports charger need, readiness by first pull-out, and high-percentile peak demand (kW) so operations and the DNSP see a credible planning case — not a single average night.
EV depot charging means restoring fleet energy at a home yard or operations base — usually overnight for route buses, and overnight or between shifts for many trucks. A useful plan states charger count and kW, readiness by pull-out, and P95 peak demand in kW against site supply in kVA. It is not public fast charging and not a residential wallbox.
Charger count depends on fleet size, daily kilometres, battery size, charger power (kW), and the overnight window. As a planning rule of thumb, many Australian route-bus depots land between roughly one charger for every 2–4 buses when using 80–150 kW depot chargers and smart charging — but Monte Carlo simulation is more reliable than rules of thumb because arrival state-of-charge and energy use vary night to night.
Smart charging spreads vehicle charging across the overnight window instead of plugging every bus or truck in at full power as soon as it returns. That typically lowers P95 peak demand (kW), reduces demand charges, and can keep a site under its DNSP supply limit without buying as many chargers.
Peak demand is driven by how many vehicles charge at once and at what power. Uncontrolled charging often creates a sharp evening peak. This EV charging simulation runs Monte Carlo scenarios and reports P50, P90, and P95 peaks so you can plan for a high-probability night rather than an average night.
Connection size is usually discussed in kVA with your DNSP (for example Ausgrid, Endeavour Energy, Essential Energy, Energex, or SA Power Networks). This tool maps simulated peak kW to indicative connection bands and lead times. Always confirm with the network before procurement — augmentation can take months to years for larger sites.
Yes. On commercial Australian tariffs, demand charges ($/kW/month) and time-of-use energy rates mean lower peak demand and more off-peak energy can cut annual cost. The simulator compares smart or peak-limited strategies against uncontrolled charging using indicative Ausgrid-area and other network blended rates.
Yes. Presets cover small, medium, and large bus depots plus a medium truck depot. You can switch to Australian vehicle models (for example BYD, Yutong, Volvo, Fuso), climate and terrain modifiers, and export a CSV load profile or printable feasibility report for internal and DNSP discussions.
Planning estimates only. Confirm charger layouts, retail tariffs, and network connection requirements with your electrical designer, retailer, and DNSP before capital commitment.