• Dagong ESS

How to Choose the Right Commercial & Industrial ESS for Your Factory or Business

What is a C&I Energy Storage System?

A Commercial & Industrial Energy Storage System (C&I ESS) is a battery-based solution that stores electricity for later use, helping businesses manage energy costs, improve reliability, and support renewable energy integration. These systems use advanced lithium battery technology, along with power conversion and energy management systems, to ensure efficient energy storage, discharge, and grid interaction.

Types of C&I Energy Storage Systems

Air-Cooled C&I ESS
Uses fan-based thermal management, suitable for small to medium-sized commercial applications.
✅ Lower cost, simpler design, and easy maintenance.

Liquid-Cooled C&I ESS
Uses fluid circulation for cooling, designed for high-performance or harsh environments.
✅ Greater thermal stability and longevity under heavy loads.

Rack-Mounted or Cabinet-Based ESS
Ideal for indoor factories or commercial buildings with limited space.
✅ Scalable from 50kWh to 250kWh per unit.

Containerized C&I ESS
Suitable for large-scale factories, logistics hubs, or grid-tied projects.
✅ Up to 5MWh+ capacity per container, with modular expansion.

Features of C&I ESS

Peak Shaving: Reduces electricity bills by discharging during peak tariff hours.

Backup Power: Provides reliable backup during grid outages or unstable supply.

Energy Arbitrage: Stores electricity when prices are low and discharges during high-cost periods.

Renewable Integration: Stores surplus PV or wind energy for later use.

Smart EMS Control: Optimizes energy usage based on time-of-use pricing and load demand.

Certified Safety: CE, UN38.3, MSDS, and IEC-certified for industrial use.

Applications of C&I ESS

• Factories and Manufacturing Plants

• Shopping Centers, Hotels, and Office Buildings

• Cold Storage and Warehouses

• Data Centers and Server Farms

• EV Charging Infrastructure for Business Fleets

• PV + ESS Hybrid Systems for Commercial Rooftops

Price of C&I ESS

Pricing depends on several factors:

• System capacity (100kWh to multi-MWh)

• Cooling method (air or liquid)

• Inverter and EMS integration

• Installation environment (indoor, outdoor, remote)

For example:

• Air-cooled 144kWh cabinet: Lower cost, ~$0.2–$0.35/Wh depending on specs

• Liquid-cooled 372kWh: Higher cost, but longer life and better thermal performance

• Prices are typically quoted as EXW, FOB, or CIF, depending on your project’s destination.

How to Select the Right ESS for Your Factory or Business?

• Define Load Profile:

Analyze energy usage patterns, peak hours, and total daily consumption.

• Assess Project Scale:

For 100–300kWh, air-cooled cabinets are sufficient.

For 500kWh–5MWh+, use containerized or liquid-cooled solutions.

• Understand Your Goals:

Cost saving, backup power, demand charge reduction, or green energy usage?

• Site Conditions:

Indoor or outdoor? Is the local climate hot or humid?

Space availability for installation and ventilation.

• Integration Needs:

Do you plan to add PV, EV charging, or connect to a VPP?

• Safety & Certification:

Ensure CE, UN38.3, MSDS, and local compliance for insurance and approvals.

How Long Does a C&I ESS Last?

A high-quality commercial ESS can last 10–15 years with 8,000+ cycles at 70% State of Health (SOH).
Liquid-cooled systems may offer more consistent performance in high-load or 24/7 operations.
Proper maintenance, EMS optimization, and BMS accuracy all contribute to system longevity.

The Supplier of C&I ESS: Dagong ESS

Dagong ESS provides a wide range of certified, scalable C&I energy storage solutions:

✅ Air-Cooled C&I Systems

100kWh–144kWh Cabinet: Integrated with hybrid inverter, IP54-rated, ideal for commercial buildings.

215kWh–241kWh Air-Cooled ESS: Modular CTP design, supports parallel expansion, fault logging, and remote monitoring.

✅ Liquid-Cooled C&I Systems

215kWh Liquid-Cooled ESS: High efficiency with advanced thermal control.

372kWh Liquid-Cooled ESS: Optimized for high-load factories, EV stations, and logistics parks.

✅ Custom Containerized ESS

3.35MWh Liquid-Cooled Container and 5MWh Air-Cooled Container
For utility-grade commercial operations and large-scale renewable integration.

All systems support smart EMS, BMS protection, modular scalability, and come with international certifications (CE, UN38.3, MSDS, IEC, 3C).

📧 Need help choosing the best ESS for your business? Contact Dagong ESS today:
Email: sales@dagongess.com
Website: 🌐 www.dagongess.com