Engineered in Europe – deployed worldwide

Heavy-Duty Containerized BESS
20ft • 40ft • Liquid-Cooled • Fire-Safe • Grid-Ready

Argonath delivers turnkey battery energy storage systems in standard and high-capacity containers. Our solutions integrate advanced liquid cooling, multi‑layer fire suppression, intelligent PCS and EMS – designed for utility‑scale, C&I, and renewable integration projects across Europe.

8+ Years in BESS
210+ Projects Delivered
19+ Countries Served
98.7% System Availability

Complete BESS Portfolio

From 20ft standard containers to 40ft high‑capacity units – with liquid cooling, fire suppression, and smart energy management

20ft Containerized BESS

Compact and modular, ideal for C&I and small‑utility projects. Integrated battery racks, PCS, and local EMS in a standard 20ft footprint.

  • Capacity up to 2.5 MWh
  • IP65 / NEMA 4X
  • Plug‑and‑play deployment
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40ft Containerized BESS

High‑capacity utility‑scale solution with advanced thermal management. Supports 4‑6 MWh per unit, grid‑forming capability.

  • Scalable parallel configuration
  • Integrated fire suppression
  • Remote monitoring & control
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Liquid Cooling System

Proprietary liquid‑cooled thermal management for optimal battery temperature, extending cycle life and maintaining peak efficiency.

  • ±0.5°C temperature control
  • Low parasitic load
  • Antifreeze & leak detection
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Fire Suppression & Safety

Multi‑layer protection with aerosol, gas, and water‑mist systems. Certified to NFPA 855 and UL 9540A for thermal runaway prevention.

  • Early detection sensors
  • Automatic & manual release
  • Remote alarm notification
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PCS & EMS Integration

High‑efficiency Power Conversion Systems (up to 98.5%) and Energy Management Software for grid services, peak shaving, and renewable firming.

  • Modular PCS up to 5 MW
  • EMS with AI forecasting
  • SCADA & IoT ready
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Engineering & Commissioning

End‑to‑end support from site assessment, system design, factory acceptance testing, to on‑site installation and remote handover.

  • IEC 62477 & IEEE 1547
  • Remote troubleshooting
  • As‑built documentation
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Deployment Environments

From grid‑scale storage to industrial backup and renewable integration – our systems are built for every scenario

Utility‑Scale Storage Farms

Large‑scale BESS plants >100 MWh for frequency regulation, grid stabilization, and renewable time‑shifting.

40ft containers MW‑scale Grid‑forming

Commercial & Industrial (C&I) Backup

20ft containers for peak shaving, emergency backup, and demand‑charge reduction in factories, data centers, and hospitals.

Indoor/outdoor Compact footprint UPS‑grade

Renewable Integration

Pair with solar/wind farms to smooth output, reduce curtailment, and increase project bankability.

Hybrid inverters Dynamic ramping Emissions reduction

Microgrid & Off‑Grid

Island‑ready BESS for remote communities, mining sites, and telecom towers, with diesel‑hybrid capability.

Black‑start Modular expansion Low maintenance

EV Fleet Charging

Integrated storage for ultra‑fast EV charging hubs, reducing grid connection costs and enabling dynamic load management.

High‑power DC V2G ready Smart scheduling

Behind‑the‑Meter Storage

Custom solutions for large commercial buildings, shopping malls, and campuses to reduce peak demand and improve energy resilience.

Noise‑optimized Architectural integration BMS/EMS interface
Argonath BESS manufacturing and assembly facility

About ARGONATH

European engineering, built for demanding grid and industrial applications

Argonath Heavy-Duty Containerized BESS Systems specialises in the design, manufacture, and integration of high‑performance battery energy storage solutions – from standard 20ft and 40ft containers to fully customised systems with advanced liquid cooling, fire suppression, and intelligent controls. Our products are engineered in Poland and Germany, combining robust construction with state‑of‑the‑art thermal and safety technologies.

With R&D centres in Warsaw and Berlin, and our main operations hub in Warsaw, we have delivered over 210 projects across 19 countries. Our local stockholding, dedicated support team, and logistics network ensure rapid deployment and long‑term reliability for utility, C&I, and off‑grid customers. We are certified to ISO 9001, ISO 14001, and IEC 62477, and we actively contribute to the European energy storage ecosystem.

ISO 9001:2024, ISO 14001
IEC 62477 / UL 9540 certified
Member of EASE & Polish Energy Storage Association
10‑year system warranty

BESS & Energy Storage Insights

Whitepapers on liquid cooling efficiency, fire safety standards, PCS topology, and grid‑scale battery economics

2025 Jul 29

European Huijue Energy Storage Project

As Huijue's flagship European venture, this project leverages deep insights into post-decoupling market volatility in the Baltic region (e., mFRR demand rising from 189-316MW in 2024 to 1112-1445MW by 2031).

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2025 Jul 25

Classification of new energy storage systems

This comprehensive guide examines five main categories of energy storage technologies: battery energy storage systems, mechanical energy storage, thermal energy storage, chemical energy storage, and electrical energy storage.

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2025 Jul 22

Kuala lumpurwhat is the energy storage solution

Summary: Kuala Lumpur is witnessing rapid adoption of centralized photovoltaic (PV) energy storage systems to meet urban energy demands. This article explores current adoption rates, government policies, and practical case studies while addressing challenges like land scarcity and.

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Need a custom BESS configuration?

Our engineering team delivers tailored container layouts – from cell chemistry selection to thermal management and grid‑code compliance – matching your project's capacity, climate, and budget.

+48 512 834 921
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