Sigenergy 25kW SigenStor Three Phase Controller

About This Product

The Sigenergy 25kW SigenStor Three Phase Controlleris the central power electronics unit used in larger SigenStor energy storage systems. It manages energy flow between PV, batteries, grid and backup loads, acting as the inverter, charger and system coordinator. This model supports three-phase sites and is designed for both residential high-demand applications and commercial installations where stable, scalable storage is required.

It forms the control and conversion core of the SigenStor stack, providing high-efficiency DC/AC conversion, rapid battery response, flexible operating modes and integration with Sigenergy’s safety, monitoring and optimisation features.

Who This Product Suits

• Homes or businesses needing a three-phase hybrid inverter capable of managing large PV arrays and high storage capacity.
• Installations where backup supply or rapid power recovery is required during grid outages.
• Sites planning to scale their SigenStor battery stack over time.
• Customers wanting a modern all-in-one energy platform with integrated monitoring, protection and load control.

Specifications Explained

• 25 kW three-phase output:Provides strong power handling for homes with high daytime loads or small commercial sites.
• Hybrid architecture:Works with PV, the Sigenergy LFP battery modules and the grid simultaneously.
• High conversion efficiency:Designed for efficient DC/AC operation to reduce system losses.
• Fast battery response:Supports quick charge/discharge behaviour for load shifting and backup transitions.
• Integrated protection:Includes isolation, surge protection and battery safety logic built into the controller.
• Remote monitoring:Works with the Sigenergy app and cloud platform for system visibility and control.
• Modular system design:Acts as the main control module for expandable SigenStor battery stacks.

Summary

The Sigenergy 25kW SigenStor Three Phase Controlleris the primary inverter and control hub for larger SigenStor energy storage installations. It delivers high-power three-phase output, integrates PV and battery management in one unit and offers rapid backup performance with smart monitoring. It is well suited to demanding residential loads and light commercial sites wanting a scalable, future-ready energy platform.

Further Information From The Manufacturer

Sigenergy 25.0kW SigenStor Three Phase Controllerby Sigenergyis a high-performance energy controller designed for precise control and compatibility with various energy sources. The Sigenergy Sigen Stor EC 25.0 TP AU features an EMS inside for precise control, DC ground-fault protection, and multi-source black start. It is also compatible with both on and off-grid systems, with a DC/AC ratio of up to 2 (single phase). The system has an IP66 protection rating, ensuring durability and reliability. The CEC listing covers 5, 10, 15, 20, 25, and 29.9kW 3ph Energy Controllers with Batteries, with specific combinations of inverters and batteries.

Key Features

• Energy Management System: EMS inside for precise control
• Ground-Fault Protection: DC ground-fault protection for enhanced safety
• Multi-Source Black Start: Enables the system to start from multiple energy sources
• On and Off-Grid Compatibility: Compatible with both on and off-grid systems
• DC/AC Ratio: Up to 2 (single phase) for efficient energy conversion
• System Protection Rating: IP66 for durability and reliability

Main Benefits

• Reliable Energy Control: Precise control and monitoring of energy usage
• Enhanced Safety: DC ground-fault protection and IP66 system protection rating
• Flexible Energy Source: Compatible with multiple energy sources, including on and off-grid systems
• Efficient Energy Conversion: DC/AC ratio of up to 2 (single phase) for efficient energy conversion
• Compliance: CEC listing for 5, 10, 15, 20, 25, and 29.9kW 3ph Energy Controllers with Batteries

Weights & Measurements Information

About Sigenergy

Sigenergy (Sigen / SigenStor) offers integrated inverter, battery and energy-management systems designed for residential and commercial installations. Their modular SigenStor architecture combines inverter, storage and charging in one platform for scalable system design.

The company emphasises safety (including IP66), smart management, and compliance with Australian CEC requirements, making it a credible all-in-one hybrid ecosystem for installers.