C&I
SigenStack
Innovative modular energy storage system
• Pack-level safety protection, precise thermal runaway control
• Higher energy density saves space and eases site selection
• IP66-rated design eliminates regular and complex O&M
• Pack-level active balancing, no need for on-site SOC calibration
• Modular design, stackable installation & ultra-fast commissioning
Product Details
The Sigenergy SigenStack redefines what commercial and industrial battery storage should look like. Built from stackable 12.06 kWh LiFePO₄ modules, it scales from 48 kWh to 253 kWh per inverter — without cranes, without complex wiring, and without the oversizing waste of fixed-cabinet competitors.
C&D Emerging Energy is an authorized channel partner for the Sigenergy Series, serving project developers, EPC contractors, system integrators, and commercial solar installers across global markets.
Sigenergy SigenStack 12.0kWh Battery is a modular, high-performance lithium iron phosphate energy storage solution designed for commercial and industrial applications. Compact in size with a stackable design and IP66 protection rating, it delivers scalable capacity, advanced safety features, and enduring reliability.
Peak Demand Reduction (Peak Shaving)Industrial and commercial electricity tariffs often include demand charges based on peak consumption intervals. A properly sized SigenStack system discharges during peak demand windows, flattening the load curve and directly reducing the demand charge component of the electricity bill. For high-load sites (manufacturing, cold storage, data centers), this alone can justify the system investment within 3–5 years.
Solar Self-Consumption Optimization (PV + ESS)Paired with the Sigenergy C&I Hybrid Inverter (DC-coupled, 50kW–125kW range), SigenStack captures excess solar generation during the day and discharges it during evening peak pricing. The 1250V DC architecture reduces string requirements and improves overall system capacity by over 15% compared to standard 1100V systems — a material efficiency gain at scale.
Time-of-Use ArbitrageIn markets with tiered electricity pricing (peak/off-peak/shoulder rates), SigenStack charges from the grid or solar during the lowest-cost periods and discharges during the most expensive ones. This use case is particularly strong in Europe, Australia, and commercial markets with mature TOU tariff structures. Real-world data from Sigenergy's deployed projects indicates up to 42% reduction in electricity purchase costs for optimized C&I deployments.
Grid-Independent Backup PowerCritical commercial operations — logistics hubs, food processing, hospitals, telecom facilities — cannot afford unplanned downtime. SigenStack provides backup power during grid outages, maintaining operations for essential loads while the grid is unavailable. The IP66 rating means the system operates reliably in outdoor and semi-outdoor environments without additional weatherproofing.
Multi-Megawatt ScalabilitySigenStack is not capped at 253 kWh. Multiple inverters can be connected, and multiple SigenStack systems can be aggregated to support multi-megawatt commercial projects and virtual power plant (VPP) participation. This positions Sigenergy SigenStack as a genuine starting point for projects that may scale significantly beyond their initial deployment size.
| Factor | Traditional Cabinet BESS | Sigenergy SigenStack |
|---|---|---|
| Capacity sizing | Fixed tiers (100/200 kWh) | 12 kWh increments (48–253 kWh) |
| Installation equipment | Crane typically required | No crane, no specialist lifting |
| Fire suppression | 1 unit per 100–200 kWh cabinet | 1 unit per 12 kWh module |
| Thermal detection | ~8–12 sensors per 52–60 cells | 8 sensors per 12 cells |
| Commissioning | Complex multi-day setup | Auto device networking, ultra-fast |
| Expandability | Replace or add full cabinets | Add individual 12 kWh modules |
| Cross-module wiring | Required | Eliminated (stack-and-play) |
| Remote monitoring | Vendor-specific | mySigen App + Sigen Cloud (AI-assisted) |
| Inverter integration | Separate PCS typically required | Inverter integrates inverter + PCS |
The Sigenergy SigenStack 12.0kWh battery is an advanced lithium iron phosphate (LiFePO4) battery designed to deliver efficient and long-lasting energy storage for commercial and industrial applications. Featuring high energy density and a modular structure, it offers scalability, durability, and simplified installation, making it the ideal solution for businesses seeking enhanced energy independence and system flexibility.
Each module delivers 12.06 kWh of energy capacity, ensuring high power availability. Scalable up to 253 kWh to meet large-scale storage demands. Supports up to 7 modules per stack and 21 modules per system, enabling flexible configurations. Floor-standing installation with a compact footprint for easy site selection.
10,000 cycle life ensures long-term reliability. Advanced thermal runaway protection reduces fire risk. Integrated fire suppression system includes aerosol, smoke sensors, and exhaust systems. IP66 rating protects against dust, water, and harsh environmental conditions.
Nominal charge/discharge rate of 0.5C, with a maximum charge/discharge rate of 1C enabling faster energy cycling. Wide operating voltage range (550-1100V) ensures compatibility with various inverters. Intelligent air-cooling system maintains performance between -20°C and 55°C. Noise levels below 70 dB guarantee quiet operation in commercial environments.
The Sigenergy SigenStack 12.0kWh battery features high energy density, robust safety performance, and a fully modular design, making it the ideal choice for businesses seeking versatile, future-proof energy storage solutions. Whether deployed for backup power, peak shaving, or solar energy storage, this battery system ensures maximum efficiency and long-term performance.
