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Industrial storage systems – Batteries and BESS solutions

Our industrial BESS (Battery Energy Storage Systems) enable companies, commercial buildings and industrial sites to store energy — from the grid or solar panels — and deliver it at the right moment: peak shaving, bill optimisation, PV surplus valorisation or critical power backup. The FOX ESS GMax, SOFAR CBS and PowerMagic ranges combine LiFePO4 batteries, integrated converters and intelligent energy management — turnkey solutions from 30 kWh to several MWh depending on configuration. For residential needs, see our LiFePO4 lithium batteries or inverter + battery packs.

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LiFePO4 Lithium Batteries

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  • Your main goal: peak shaving (reduce subscribed power and overruns), tariff optimisation (charge off-peak, discharge on-peak), PV surplus valorisation or power security (backup on critical processes).
  • Capacity and power: two independent parameters — capacity (kWh) determines autonomy, power (kW/kVA) determines charge/discharge speed and ability to absorb peaks.
  • Architecture: favour all-in-one solutions with integrated converters and intelligent management (EMS) for automatic charge/discharge control based on grid tariff and PV production.
  • Available ranges: FOX ESS GMax (modularity and advanced monitoring), SOFAR CBS (broad Sofar inverter compatibility), PowerMagic (containerised solutions for large capacities).
  • Personalised study: industrial BESS projects require analysis of your load curve and grid contract. Contact our team via the solar study form for dedicated support.
Battery Banks
Hybrid Inverters
Inverter + Battery Packs
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FAQ - Industrial BESS

1. What is an industrial BESS? +
A BESS (Battery Energy Storage System) stores and delivers electricity from the grid and/or PV to optimize energy costs and improve power reliability for a business site.
2. What goals can a BESS cover for a company? +
Typical goals include bill reduction, supply security, and PV surplus optimization by storing energy and using it at the right time.
3. What should I check: kWh vs kVA? +
kWh is energy capacity. kVA is power capability. Proper sizing depends on load peaks and operational constraints.
4. Why choose systems with integrated converters and smart control? +
Integration (converters + control) helps manage charge/discharge and optimize usage between grid and PV, aiming for higher autonomy and a lower carbon footprint.
5. Which product ranges are listed in this category? +
This category lists industrial storage solutions from FOX ESS GMax, SOFAR CBS and PowerMagic (batteries, integrated converters and smart management).

Industrial BESS storage systems: complete guide for businesses and commercial buildings



A BESS (Battery Energy Storage System) is a large-scale energy storage solution designed for businesses, commercial buildings, industrial sites and high-consumption installations. Unlike residential batteries targeting overnight self-consumption, an industrial BESS is managed by an Energy Management System (EMS) that optimises charge and discharge in real time based on grid tariffs, PV production and process requirements.



The 4 main use cases for an industrial BESS



1. Peak shaving

Often the fastest return on investment. Your grid contract includes a subscribed power whose overrun triggers penalties. The BESS stores energy during low-consumption periods and delivers it during peaks — keeping your drawn power below the contractual threshold. Result: reduced subscribed power, elimination of overruns, immediate savings on the fixed portion of the bill.



2. Tariff optimisation (time-shifting)

With differentiated pricing (off-peak/peak or dynamic tariff), the BESS automatically charges during cheapest hours and discharges during most expensive hours. The EMS continuously compares grid kWh cost and stored kWh cost to optimise each energy transaction.



3. PV surplus valorisation

If you have an industrial PV installation, the BESS absorbs the production surplus that would otherwise be injected (or lost if injection is limited) and delivers it during consumption peaks or expensive hours. The PV + BESS combination maximises on-site self-consumption rate.



4. Power security (industrial UPS)

For critical processes (data centres, food industry, hospitals, cleanrooms), the BESS guarantees continuous power during micro-cuts or extended outages. Unlike a generator, switchover is instantaneous (milliseconds) and emission-free.



Ranges available at Wattuneed



FOX ESS GMax

Modular rack or container storage system with integrated inverter and advanced EMS. Particularly valued for detailed monitoring and integration with existing supervision systems. Available from 30 kWh to several hundred kWh in modular configuration.



SOFAR CBS (Commercial Battery System)

Sofar Solar commercial BESS designed to work with Sofar hybrid inverters in high-power configurations. Native compatibility with the Sofar ecosystem and centralised cloud management. Ideal for commercial buildings and SMEs already equipped with Sofar inverters.



PowerMagic

Containerised storage solutions for large capacities (100 kWh to several MWh). Delivered turnkey in a climate-controlled container with all integrated equipment (batteries, inverters, EMS, fire protection). Ideal for heavy industrial projects, solar parks with storage and isolated grid applications.



How to size an industrial BESS?



  • Load curve analysis (consumption profile over at least 12 months) to identify peaks and optimisation opportunities
  • Grid contract analysis (tariff, subscribed power, billed overruns, time-of-use pricing if applicable)
  • Priority definition: peak shaving, time-shifting, PV self-consumption or backup — each objective implies a different architecture
  • ROI calculation: well-sized industrial BESS projects typically achieve payback in 4 to 8 years

Our team provides dedicated support for industrial BESS projects, from preliminary analysis to post-installation monitoring. Contact us via our solar study form specifying your annual consumption and grid contract type.