Project Location: Valencia, Spain
System Configuration:
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Battery Storage: 40kWh Lithium Battery Bank (LFP technology)
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Inverter: 1 × Deye Hybrid Inverter, 12kW, three-phase
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PV Integration: Rooftop solar system (15kWp)
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Application: Self-consumption + Backup Power
Customer Requirement
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Reduce dependence on the grid and save electricity costs.
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Ensure backup power for critical loads in case of outages.
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Compatible with Spanish net-metering policies and household demand profiles.
Solution Provided
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Installed 40kWh lithium battery system, configured as two parallel 20kWh modules, ensuring flexible expansion.
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Integrated with Deye 12kW hybrid inverter, providing:
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PV + Battery + Grid seamless switching
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Smart load management
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Remote monitoring via Deye platform
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System designed to cover average daily household consumption of ~35kWh, with surplus stored for evening and night use.
Key Results
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Achieved 85% self-consumption ratio (solar + battery).
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Reduced electricity bills by 65% annually.
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Backup mode ensures critical loads (lights, fridge, internet, air conditioning) run for over 24 hours during outages.
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CE and UN38.3 certified batteries, fully compliant with EU regulations.
Customer Feedback
“With the Deye inverter and 40kWh battery system, our energy independence has significantly improved. We barely rely on the grid, and during recent power cuts, the system worked flawlessly.”