12kW Single-Phase Hybrid Solar System

Sigenergy Sigen Hybrid 12kW Single-Phase Inverter + 2 × SigenStor Lithium Batteries + Sigen Energy Gateway + 14 × 615W Bifacial Solar Panels

This high-performance hybrid solar system is designed to provide reliable backup power, substantial electricity savings, and increased energy independence for residential properties and small commercial buildings.

The system integrates the Sigenergy Sigen Hybrid 12kW Single-Phase Hybrid Inverter, SigenStor lithium battery storage, the SigenStor battery controller, and the Sigen Energy Gateway Home to deliver intelligent solar energy generation, efficient energy storage, and seamless backup power during grid outages.

With 14 high-efficiency bifacial solar panels, the system provides approximately 8.61kWp of installed solar capacity, allowing homes and businesses to maximise solar energy production while significantly reducing dependence on the grid.

All systems are installed by certified solar professionals and include full commissioning and an Electrical Certificate of Compliance (COC).

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System Components

Sigenergy Sigen Hybrid 12kW Single-Phase Hybrid Inverter

The Sigenergy 12kW Single-Phase Hybrid Inverter is an advanced energy management system designed for residential and light commercial solar installations.

It intelligently manages solar generation, battery charging and discharging, grid interaction, and backup power supply, ensuring efficient energy usage and reliable backup during load shedding.

Key Features

• 12kW single-phase hybrid inverter
• Intelligent solar, battery, and grid energy management
• Seamless automatic switching during power outages
• Remote monitoring via mobile application
• Generator compatibility
• Smart export limitation capability
• High solar conversion efficiency
• Intelligent load prioritisation and scheduling
• Expandable battery storage capability

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Electrical Specifications

PV Input

• Maximum PV power: 24,000W
• Maximum DC input voltage: 600V
• Nominal DC input voltage: 350V
• Start-up voltage: 100V
• MPPT voltage range: 50V – 550V
• Number of MPPT trackers: 4

AC Output

• Rated output power: 12kW
• Maximum apparent power: 12kVA
• Nominal output voltage: 220 / 230 / 240V
• Nominal grid frequency: 50 / 60Hz

Efficiency

• Maximum efficiency: ≈98%

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Battery Storage System

2 × Sigenergy SigenStor BAT 10.0 Lithium Batteries

The system includes two SigenStor lithium battery modules, providing reliable energy storage for backup power and increased solar self-consumption.

Each battery provides 9.04kWh total capacity and 8.76kWh usable capacity, resulting in a combined battery capacity of:

Total Battery Capacity: 18.08kWh
Usable Battery Capacity: 17.52kWh

These batteries store excess solar energy produced during the day so it can be used during the evening or during load shedding.

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Battery Key Features

• Lithium Iron Phosphate (LiFePO4) battery chemistry
• Premium 314Ah lithium cells
• 10,000 cycle lifespan
• 100% depth of discharge capability
• Advanced 5-layer safety protection system
• Integrated battery optimisation technology
• Intelligent Battery Management System (BMS)
• Compact high-density design

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Battery Performance Specifications

• Battery type: LiFePO4
• Cell capacity: 314Ah
• Cycle life: 10,000 cycles
• Total energy capacity: 9.04kWh per battery
• Usable energy capacity: 8.76kWh per battery
• Maximum charge/discharge power: 4,600W
• Peak charge/discharge power (10 seconds): 6,900W

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Physical Specifications

• Weight: 78 kg per battery
• Dimensions: 767 × 270 × 265 mm

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Operating Conditions

• Operating temperature: -20°C to 55°C
• Storage temperature: -25°C to 60°C

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SigenStor Battery Controller (BC)

The SigenStor BC battery controller manages communication between the hybrid inverter and the battery modules while ensuring safe and efficient battery operation.

Specifications

• Battery operating voltage range: 300 – 600V (single phase)
• Communication protocol: CAN
• Dimensions: 765 × 109 × 260 mm
• Weight: 8 kg

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Sigen Energy Gateway Home

The Sigen Energy Gateway Home SP 12K manages grid interaction, backup switching, and load distribution for the system.

It ensures seamless switching between solar, battery, and grid power while allowing backup power to essential loads during outages.

Key Features

• Automatic backup switching during grid outages
• Intelligent load distribution
• Whole-home or critical load backup capability
• Grid isolation and energy management
• Smart system monitoring compatibility

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Gateway Specifications

Grid Connection

• Grid connection type: Single phase
• Nominal AC voltage: 220 / 230 / 240V
• Nominal AC current: 52.2A
• Nominal AC power: 12kW

Backup Operation

• Backup switching time: 0ms

AC Output

• Backup port capacity: 12kW
• Non-backup port capacity: 12kW

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Physical Specifications

• Dimensions: 400 × 590 × 161 mm
• Weight: 19 kg
• Cooling: Natural convection
• Protection rating: IP54

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Solar Array

14 × 615W Bifacial Solar Panels

The system includes 14 high-efficiency bifacial solar panels, capable of capturing sunlight from both the front and rear sides to improve energy generation.

Solar Capacity

• Panel output: 615W
• Number of panels: 14
• Total installed solar capacity: 8.61kWp

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Panel Features

• Bifacial solar technology
• High-efficiency mono-crystalline cells
• Excellent low-light performance
• Durable tempered glass construction
• Long manufacturer warranty

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Solar Mounting System

Lumax Aluminium Solar Mounting Structure

All solar panels are installed using Lumax aluminium mounting systems, designed for South African roof types.

Features

• Corrosion-resistant aluminium rails
• Strong wind and weather resistance
• Suitable for tile, IBR, and corrugated roofs
• Long system lifespan

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Electrical Protection & Balance of System

The installation includes all required electrical protection equipment to ensure safe and compliant system operation.

DC Components

• Solar DC isolator switches
• DC surge protection devices
• Solar PV cables (UV resistant)
• MC4 connectors
• PV string protection fuses

AC Components

• AC isolator switches
• AC distribution board
• Circuit breakers
• Surge protection devices
• Earth leakage protection

Battery Components

• Battery isolator switches
• Battery protection fuses
• Battery communication cables
• Battery interconnection cables

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Monitoring & Smart Energy Management

The Sigenergy system includes advanced monitoring capabilities.

Monitoring Features

• Real-time solar production monitoring
• Battery charge and discharge monitoring
• Energy consumption analytics
• Mobile and web-based monitoring platform
• System alerts and diagnostics
• Smart energy scheduling

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Professional Installation

The system includes complete professional installation by certified solar technicians.

Installation includes:

• Site inspection and system design
• Solar panel installation
• Inverter installation
• Battery installation
• Gateway installation
• Electrical protection installation
• System commissioning and testing
• Monitoring system configuration

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Certification & Compliance

Every installation includes:

✔ Electrical Certificate of Compliance (COC)
✔ Installation by qualified and certified installers
✔ Compliance with South African electrical regulations

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Installation Pricing Notice

Displayed prices are based on typical installations. Final pricing may vary depending on site conditions such as roof type, cable run distance, mounting requirements, and existing electrical infrastructure. Additional factors such as access requirements, distribution board upgrades, or specialised mounting solutions may also affect final installation costs.

Product availability may also influence pricing, and all prices are subject to change without notice.