Powering Construction: Mobile EV Charging for Leading Heavy Equipment Provider

November 2, 2025

Critical Loop’s modular 500 kW off-grid system delivers military grade reliable charging in a compact, towable system ensuring continuous operations and seamless integration at a remote construction site.

Key Takeaway (TL;DR)

For a leading machinery provider building out their electrified product lines, it is vital to be able to provide high power in a compact, fossil fuel free, mobile form factor. Critical Loop went from a powerpoint design to a customer tested towable 500 kW EV charging solution in 4 months. The reliable, compact, towable off-grid power system enables continuous operations, supports multiple EV models, and seamlessly integrates with the equipment provider’s architecture, boosting production efficiency and minimizing downtime.

[stats]

600 | kWh | Energy capacity.

500 | KW | Peak power.

100 | % | Power increase.

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Situation

This equipment provider needed a mobile, high-power EV charging solution for a remote construction site 1/2 way around the world. There were no existing options to provide 500kW in a compact, towable trailer that could discharge while in transit. The system had to be charged off-site, transported easily, support various EV models, enable flexible on-site charging, and operate within the provider and their construction company’s daily schedules. And the system needed to be operational on a very short timescale.

Solution

Critical Loop quickly developed a customized, modular, mobile power system for the machinery provider, enabling off-grid EV charging at remote job sites. The system features a trailer-mounted 500kW/600kWh unit with integrated chargers, a smart AC combiner for multi-source charging, and a real-time control app for remote monitoring and management. Built for flexibility and reliability, it supports various EV models, ensures continuous operations, minimizes downtime, and easily scales for future projects.

Results

The Critical Loop system is able to provide the high power the customer needs, in the form factor required, to enable the next generation of fossil fuel free construction around the world, and is enhancing the customers ability to go after more complex and difficult market segments further from grid power in extremely difficult environments.

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