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

1 MWh+ storage. Built for grid-scale projects.

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.

Industrial strength, grid-level storage

The JAGalaxy Utility ESS provides 1075 kWh of LFP-based storage with 500 kW rated output, intelligent air cooling, and integrated fire suppression. With walk-in access and multi-source inputs, it’s purpose-built for utility, grid, and large industrial applications.

Core performance

1075 kWh storage, 500 kW output, ≥6000 cycles, 0.5C charge/discharge rate.

Safety & reliability

IP54 protection, intelligent air cooling, heptafluoropropane fire suppression, and physical compartmental isolation.

Key benefits

Why choose JAGalaxy?

A containerized system designed for utility-scale resilience.

Massive capacity

1075 kWh storage with 500 kW output, supporting critical grid and industrial applications.

Utility-grade safety

Heptafluoropropane fire suppression, intelligent cooling, and LFP battery stability.

Scalable design

Supports multiple input/output sources with parallel connection for expansion.

Easy O&M

Walk-in access with real-time cloud monitoring and fast troubleshooting.

Pricing

JAGalaxy utility-scale ESS (1 MWh)

500 kW / 1 MWh liquid-cooled storage, optimized for microgrids and smaller utility sites.

Total investment
One clear price for the complete solution.
€215,500
Key product specs:
Power capacity
500 kW
Energy capacity
1075 kWh
C-rate
0.5C
Cycle life
6000+
Battery cell type
LFP
Temperature range
-20°C to +55°C
IP rating
IP54
Dimensions & weight
6058 × 2438 × 2896 mm / 20.6–21 t
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FAQ

Questions? We’ve got answers.

How long does installation take?

Most systems are installed and commissioned within 1–2 weeks, depending on site conditions and grid requirements.

Can the system be expanded later?

Yes. All Stuart ESS units support modular expansion through parallel connection. Start with one unit and add capacity as your needs grow.

Are these systems safe?

Every unit includes advanced protection such as liquid or air cooling, fire suppression, and IP-rated enclosures for reliable operation indoors or outdoors.

What support is provided after purchase?

Our team assists with installation, grid integration, and ongoing technical support to keep your system running smoothly.

What applications are these systems best for?

Stuart ESS units are ideal for self-use, peak shaving, backup power, EV charging integration, and utility-scale grid support.

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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.

Still on the fence?

Let’s talk power, savings, and setup

Whether you’ve got questions or need a second opinion — we’ll walk you through it, no pressure.