BESS systems for businesses

BESS systems for commercial and industrial sites

KES Energy integrates BESS systems for demand management, photovoltaic energy storage, energy flexibility and backup planning. Equipment selection starts from the real site load profile and installation conditions.

Technical pages available

BESS systems with verified technical information

We publish detailed product pages only when sufficient technical documentation is available to present specifications and limitations clearly.

Qudeox QC-215K-O 215 kWh BESS cabinet
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QC-215K-O · 215 kWh / 100 kW

Compact energy storage for commercial and industrial sites, suitable for indoor and outdoor installation.

215 kWhRated energy
100 kWRated power
400 VAC output
LFPBattery chemistry
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ZTT ENERGRID M261 261 kWh BESS cabinet
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ENERGRID M261 · 261 kWh / 130.5 kW

Commercial and industrial storage cabinet with 261 kWh, liquid cooling and an integrated architecture.

261 kWhRated energy
130.5 kWPublished active power
135 kVAReference PCS
400 VAC output
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CHISAGE ESS OBE261-Y BESS system
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CHISAGE ESS OBE261-Y · 261 kWh / 125 kW

Liquid-cooled storage cabinet with photovoltaic integration for demand management and continuity planning.

261 kWhNominal energy
125 kWRated power
252 kWIndicated max PV
IP54Indicated protection
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CHISAGE ESS OBE522-Y BESS system
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CHISAGE ESS OBE522-Y · 522 kWh / 125 / 250 kW

Higher-capacity C&I storage with liquid cooling, integrated STS and flexible power options.

522 kWhNominal energy
125 / 250 kWPower options
≈5 tIndicated weight
IP54Indicated protection
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ZTT ENERGRID N3 5 MWh BESS container
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ENERGRID N3 · 5.0 MWh / 0.5 C

Liquid-cooled LFP battery platform for industrial and MWh-scale energy storage projects.

5.0 MWhRated energy
0.5 CRated C-rate
1,331.2 VNominal DC voltage
IP54Ingress protection
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Qudeox QCB-400V Static Transfer Switch cabinet
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QCB-400V · 400 V / 500 A

400 V Static Transfer Switch designed to work with BESS and critical loads in backup applications.

400 VRated voltage
500 ARated current
2 × 100 kWESS access
IP54Current online page
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Solution range

From C&I cabinets to modular systems and MWh-scale storage

The final format is selected according to power, energy, space, operating strategy and project connection requirements.

C&I · distributed storage

200–522 kWh C&I BESS systems

Compact and integrated formats for commercial and industrial sites where footprint, power, integration and straightforward commissioning matter.

Project-specific scaling

Multi-cabinet modular systems

Scalable configurations for projects that need more stored energy while retaining a modular architecture.

Industrial · utility-scale

MWh-scale storage

Higher-capacity solutions for industry, infrastructure and projects where power, continuity and integration are critical.

Engineering before catalogue

How we select a BESS system

We do not recommend capacity based only on cabinet size. We first define what the system must solve and then select the appropriate architecture.

01

Load profile

We review consumption, demand peaks, operating hours and load curves when available.

02

Technical objective

We define whether the project targets peak shaving, self-consumption, flexibility, backup or another strategy.

03

Integration

We review space, electrical architecture, existing PV, protections and connection conditions.

04

Final configuration

We size power and energy and define equipment, EMS, installation and commissioning.

Not sure what capacity your site needs?

Send us a recent electricity bill and, if available, load curves. We can prepare an initial assessment before recommending a specific system.

Request initial assessment

Start with a technical review

Request your personalised energy study

Tell us about your site, current solar installation or backup needs. We will review your case and contact you with the next steps.

BESS · C&I energy storage catalogue

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