A 1MWh container energy storage system is a fully integrated solution combining lithium-ion batteries, BMS (Battery Management System), EMS (Energy Management System), fire protection, and cooling in a standard 20ft or 40ft container.

It enables large-scale energy storage and dispatch for industrial facilities, microgrids, and renewable power plants. The modular design makes it easy to transport, install, and expand, while maintaining grid stability and energy efficiency.

Types of Container Energy Storage Systems

Containerized ESS units are categorized by capacity, cooling method, and application:

• Air-Cooled Systems (e.g., 100kWh–1MWh) – Suitable for moderate climates and small industrial users.

• Liquid-Cooled Systems (e.g., 3.35MWh, 5MWh) – Designed for high-load, high-temperature environments.

• Hybrid Modular Systems – Combine multiple 1MWh modules to reach multi-megawatt capacity for utility-scale applications.

The 1MWh air-cooled ESS provides an excellent balance between cost, safety, and performance for mid-sized commercial and industrial users.

Features of the 1MWh Container ESS

• Modular & Scalable Design: Supports parallel expansion up to several MWh.

• Integrated System Control: Built-in BMS, PCS, and EMS ensure smooth operation and remote monitoring.

• Safety & Certification: CE, UN38.3, and MSDS approved for international use.

• Durability: 8,000+ charge/discharge cycles and 15+ years lifespan.

• Flexible Installation: Compact 20ft container design suitable for both on-grid and off-grid applications.

Applications of 1MWh Container ESS

Commercial Buildings: Peak shaving, load shifting, and backup power.

Industrial Facilities: Energy cost optimization and grid support.

Renewable Integration: Stores excess solar or wind energy for stable delivery.

Microgrids: Reliable power supply in remote areas or islands.

EV Charging Stations: Provides fast-charge energy balancing.

Many large-scale systems combine several 1MWh units or integrate them with larger 3.35MWh or 5MWh ESS containers for project scalability.

Price of 1MWh Container ESS

The cost of energy storage systems for renewable energy integration depends on several factors, including system capacity, storage duration, battery type, control software, installation conditions, and auxiliary equipment.
Pricing is usually quoted under international trade terms such as EXW, FOB, or CIF, depending on project location and logistics preferences.
For a tailored quotation based on your specific project needs, it's best to consult directly with the supplier.

How to Select the Right 1MWh ESS for Your Project

When selecting an ESS, consider:

• Operating environment (temperature and humidity)

• Power requirements and duration

• Cooling system type (air or liquid)

• Communication and control interfaces

• Maintenance and after-sales support

A reputable supplier can provide customized configuration and system integration to match local grid standards.

How Long Does the 1MWh ESS Last?

A well-maintained 1MWh container ESS typically lasts 15 years or more, with minimal capacity degradation over time, especially when operated within controlled temperature ranges.

The Supplier of 1MWh Container ESS

Reliable manufacturers such as Dagong ESS provide a full series of containerized systems — from 1MWh air-cooled to 3.35MWh and 5MWh liquid-cooled ESS — ensuring high safety, scalability, and long-term performance for global energy projects.