Battery
Energy storage system
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With BESS from Faber E-Tec we are expanding our energy expertise with modern battery storage systems for demanding applications

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BESS Container
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AC cabin with PCS

Two-part energy system: DC cabinets & AC cabin 2.58 MVA | 2 sets with 1290 kW PCS

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BESS Container
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PCS
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Compact station

Three-part energy system: BESS container 5,015 kWh including PCS and compact station

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5015
BESS Container
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Compact station

Energy storage for solar parks and medium-voltage applications

kWh
3340
BESS Cube XL
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Compact station

Powerful battery storage for industry, commerce and e-mobility

kWh
836
BESS Cube
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Compact station

Energy-efficient solution for charging infrastructure and solar park

Let your energy work while you sleep

BESS systems store surplus energy from solar parks or charge themselves automatically from the power grid (time shifting). The stored energy is later made available exactly when it is needed - reliably, efficiently and economically.

TEXT only BESS Mask Design - BESS - Energy storage systems for industry & commerce
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Battery storage
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Charging cycles with LFP technology
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BESS solutions
Container 5015 Black BG 2026 AVIF - BESS - Energy storage systems for industry & commerce
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Investment in energy savings and independence

with 100% charge
with 80&% charge
Only BESS Mask Design - BESS - Energy storage systems for industry & commerce

EPC: BESS complete solutions

Schlüsselfertige Batteriespeicher für Solarparks, inkl. Vermarktung

Haben Sie es auch satt, dass negative Strompreise oder Netzabregelungen die Rendite Ihres Solarparks ausbremsen? Es ist Zeit, die Kontrolle über Ihren Ertrag zurückzugewinnen. Wir realisieren Ihr BESS-Projekt komplett aus einer Hand – von der Trafotechnik über die Mittelspannung bis zur finalen Inbetriebnahme.

EPC-ready:
Speicher als fertiges Paket

BESS inkl. Trafotechnik, MS/NS, Schutzkonzept und Nebenanlagen – mit klar definierten Schnittstellen für eure EPC-Umsetzung.

Parkgenaue Prognose innerhalb von 7 Tagen

Auf Basis eurer Projekt- oder Bestandsdaten liefern wir eine belastbare Wirtschaftlichkeitsprognose – i. d. R. innerhalb von 7 Tagen nach Dateneingang.

Netzintegration: MS/NS & Schutz aus einer Hand

Anschluss- und Schutzkonzept, Mittelspannungsintegration, NS-Verteilungen und Inbetriebnahme – damit der Netzanschluss planbar bleibt.

Trading optional: Betrieb & Erlöse optimieren

Auf Wunsch Vermarktung und Speicherhandel über Faber Energy Trading – von der Strategie bis zur laufenden operativen Optimierung.

99 Days

Profitability forecast

within 7 days

Parkgenaue Wirtschaftlichkeitsprognose auf Basis Ihrer Daten – i. d. R. in 7 Tagen. Optional übernehmen wir Vermarktung & Speicherhandel über Faber Energy Trading.

The DREI Hauptleistungen

Unsere BESS-Projekte vereinen drei Kernleistungen, die Technik, Wirtschaftlichkeit und Betrieb nahtlos aus einer Hand abdecken. Hier sind die Die drei Kernpunkte:

Faber E-Tec BESS product range

With our scalable Battery storage & BESS solutions from 418 kWh to 5 MWh, we enable companies to store energy efficiently, reduce peak loads and utilise solar power intelligently. Our Faber E-Tec BESS systems stand for quality, grid conformity ....

In addition to our battery storage solutions, we also develop and manufacture customised Compact transformer stations, which are perfectly matched to BESS systems. We therefore offer complete energy infrastructures from a single source, from the transformer station to the storage container.

Safety & fire extinguishing

Technical features

Explosion protection

Increased security

IP54 protection class

Weatherproof & robust

-30 to +50 °C

All climate zones

Fans

Weatherproof & robust

Increased service life

Robustly constructed for continuous use in industrial environments and designed for maximum safety and durability.

Container - standard size

Delivered quickly. Simply integrated

Liquid cooling

Even heat dissipation

Aerosol fire extinguishing

Automatic fire control

BMS monitoring

Intelligent control

VDE-certified

Sustainable lithium iron phosphate technology with high cycle stability and low maintenance requirements.

NFPA855, NFPA69

Tested safety and protection for industrial battery battery energy storage systems (BESS).

The 5,015 kWh BESS container was developed for the highest industrial Safety requirements developed. A multi-stage protection and monitoring system ensures maximum operational safety, reliable heat dissipation and effective fire protection - even under demanding ambient conditions and in all climate zones.

Start your project now
and benefit from short delivery times at Faber E-Tec!

It's so easy to get your BESS system - with answers to your questions

Three steps to the BESS system
Enquiry and initial consultation
Technical planning and quotation
Delivery and commissioning

BESS system request

Send us your project data and we will prepare a customised offer.
Contact us directly:

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FAQ - All about Battery Energy Storage Systems (BESS)
General questions about BESS & technology

BESS stands for Battery Energy Storage System. It is an intelligent storage system that stores electrical energy (e.g. from the grid or a PV system) and releases it again when required. In industry, it is primarily used for peak load management (peak shaving) in order to reduce expensive peak loads. Other areas of application include optimising self-consumption of solar power, emergency power supply and stabilising the power grid.

Faber E-Tec acts as an EPC partner (Engineering, Procurement, Construction). This means that you do not receive individual parts, but a complete turnkey solution. Our advantages:

  • Modularity: Scalable capacities from 418 kWh to over 5 MWh.

  • Everything from a single source: Seamless integration with our own transformer stations.

  • Maximum safety: use of LFP technology and integrated aerosol extinguishing systems.

  • Intelligence: Smart EMS (energy management) for automated optimisation.

BESS projects are understood to mean the holistic planning, project planning and installation of industrial battery storage systems (Battery Energy Storage Systems). In contrast to small home storage systems, these are complex infrastructure measures that intervene deeply in the energy network of a company or energy park.

A BESS project is never an „off-the-shelf“ solution, but always a customised response to the customer's specific load profile and grid requirements.

Our battery storage systems are versatile - e.g. for

  • Commercial self-consumption optimisation
  • Charging parks and e-mobility
  • Load peak capping (peak shaving)
  • Emergency power and mains backup operation
  • Integration into PV systems or wind farms

Thanks to the modular design, outputs from 200 kW to 2.5 MW are possible.

Safety is non-negotiable in the industrial environment. Our systems fulfil all relevant national and international standards, in particular VDE-AR-N 4110 (medium-voltage directive) and VDE 4120 for the grid connection. The battery modules are certified to IEC 62619 and UN38.3 tested. In addition, all containers are equipped with advanced fire detection and extinguishing systems.

The first step is to analyse your load profile (load profile data). Simply send us your enquiry using our enquiry/contact form or give us a call. Our engineers will evaluate your electricity data, identify the savings potential through peak shaving and dimension the optimum storage size for rapid amortisation.

We rely on lithium iron phosphate (LiFePO4). Compared to conventional lithium-ion batteries (NMC), LFP offers decisive advantages for the industry:

  1. Maximum safety: LFP cells are extremely thermally stable and do not burn (no „thermal runaway“).

  2. Longevity: They offer a very high cycle stability (charge/discharge cycles).

  3. Sustainability: They do not contain problematic cobalt and nickel.

BESS data sheets v.2026
We are updating our BESS data sheets for version 2026.
Register now and you will automatically receive the new documents as soon as they are published.

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