BESS, solar battery storage and energy backup in Spain
KES Energy designs and installs battery energy storage, backup and solar energy solutions for businesses, high-consumption sites and residential clients across Spain.
BESS for businesses
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BESS for businesses
Reference technical configuration:
Rated Capacity:261 kWh
Rated Power:135 kVA
Cooling:Liquid cooling (50% glycol)
Efficiency:≥93%
Protection: IP54, fire suppression included
Dimensions:1000×1350×2350 mm
Energy backup
S
Energy backup
Reference technical configuration:
Rated Capacity: up to 3.44 MWh
Rated Power: up to 1.72 MW
Container: 20ft ISO, liquid-cooled
Max Current: 1500 A
Communication:CAN, Ethernet, Dry Contact
Protection:IP54, seismic level 8
Batteries for existing solar installations
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Batteries for existing solar installations
Reference technical configuration:
Rated Capacity:up to 5.01 MWh
Rated Power: up to 2.5 MW
Max Current: 2155 A
Auxiliary Power: <43 kW
Operating Temp: -25°C to +45°C
Firefighting System: FK5112 + water spray reserve
Industry and high consumption
S
Industry and high consumption
Reference technical configuration:
Rated Capacity: up to 3.45 MWh
Rated Power: up to 1.72 MW
Voltage Range: 1160–1460 V
Max Current: 1500 A
Cooling System Liquid + heating (50% glycol)
Fire Safety: FK5112 + water spray reserve
Container Size: 7000×2438×2896 mm
Residential solar and batteries
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Residential solar and batteries
How we work:
Electricity consumption and project location study
Technical design based on roof, consumption and goals
Selection of solar panels, inverter and batteries
Installation, configuration and commissioning
Technical review of existing solar systems
Support in English, Spanish and Ukrainian
Select the reason for your request
/business energy storage
Battery energy storage engineered for business demand
For companies with significant energy consumption, BESS can help manage demand peaks, store solar production, improve energy flexibility and support long-term energy planning.
Core energy solutions
Energy storage, backup and solar battery integration for business and residential needs.
BESS for businesses
Battery energy storage engineered for companies with significant energy demand.
Energy backup
Backup capacity for operational continuity and better resilience during grid interruptions.
Batteries for existing solar installations
Battery integration for existing photovoltaic systems to store production and improve energy flexibility.
Industry and high-consumption clients
Energy solutions for sites where consumption, continuity and planning matter.
Residential solar and batteries
Technical review of existing solar systems is available, including issue detection, upgrade options and post-installation support. Support in Spanish, English and Ukrainian.
APPLICATIONS
Backup energy and batteries for existing solar installations
KES Energy supports companies and site owners who need backup capacity, better use of solar production or battery integration for an existing photovoltaic installation.
Technical review and post-installation support
We review existing solar systems, identify technical issues, evaluate upgrade options and support clients after installation.
Engineer-led support
Direct technical communication during study, installation and follow-up.
Maintenance planning
Support options adapted to site conditions and system use.
Upgrade evaluation
Review of existing systems and practical improvement paths.
Multilingual assistance
Support in Spanish, English and Ukrainian.
Clear project scope
Technical scope, responsibilities and support details included in each proposal.
/engineering process
From technical study to commissioning
/engineering process
01
Technical consultation and energy analysis
We review consumption, goals, site conditions and technical requirements.
02
System design and equipment planning
The solution is planned around the real load profile, available space and project objectives.
03
Installation and configuration
Installation, connection and configuration are coordinated according to the approved design.
04
Commissioning and support
The system is checked, started up and supported after installation.