EV park calculator

Run the numbers before you run the cables

Use this free calculator to size your EV park, estimate daily electricity costs, and simulate the impact of PV, batteries, and grid output. No guesswork needed.

1
Enter your EV park size, charger count, and daily mileage
2
Adjust PV, BESS, and grid settings to model energy supply
3
See real-time energy use, cost breakdown, and system needs

Want to turn your numbers into a real plan?

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Energy systems built for your world

Whether you're powering a factory, running a business, or expanding EV fleet — Stuart has the hardware to match your energy goals.

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€215,500

Utility-Scale ESS (Air-Cooled, 1 MWh)

The JAGalaxy ESS delivers 500 kW / 1075 kWh of storage in a walk-in containerized system — engineered for peak shaving, backup power, and large-scale energy management.

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€419,540

Utility-scale ESS (Liquid-cooled, 2 MWh)

The JAGalaxy ESS delivers 1000 kW / 2150 kWh in a containerized liquid-cooled system — designed for grid support, peak shaving, and large-scale industrial backup.

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€906,800

Utility-Scale ESS (High-Density, 5 MWh)

The JAGalaxy 2.5 MW / 5 MWh liquid-cooled ESS combines massive capacity with advanced cooling and rack-level management — delivering maximum efficiency and safety for grid-scale projects.

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Want a done-for-you plan?

We help you turn estimates into action. From energy modeling to rollout, Stuart makes your EV setup work at scale.

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