1.5MW/10MWh Containerized PV-Storage Microgrid System for On/Off Grid Applications

GSL Energy successfully customized and integrated a 1.5MW/10MWh PV storage microgrid system for areas with unstable grid conditions and long power outages.

The project uses an advanced containerized integrated design. It combines solar PV, battery energy storage, PCS, EMS, and seamless on-grid and off-grid switching technology into a reliable hybrid energy solution.

This system is specially designed for villages, industrial parks, remote communities, mining sites, telecom infrastructure, and other places that need stable and continuous power supply.

With smart coordination between photovoltaic power generation, battery storage, diesel generators, and utility grids, the system improves energy reliability and lowers electricity costs and diesel fuel consumption.

System Configuration

1.5MW PCS Container System

The project is equipped with a 1.5MW PCS (Power Conversion System) container featuring:

• 400V AC output
• Isolation transformer
• Seamless on/off-grid switching (STS)
• Stable power supply for critical loads
• High conversion efficiency
• Intelligent system protection

The PCS system enables stable energy conversion and supports uninterrupted power switching between grid-connected and off-grid modes.

10MWh Liquid-Cooled Battery Energy Storage System

The energy storage section consists of:

• 2 × 5MWh liquid-cooled battery containers
• Total storage capacity: 10MWh
• Advanced liquid cooling thermal management
• High system safety and stability
• Long cycle life performance
• Optimized operating efficiency

The liquid-cooled battery design keeps cell temperatures consistent, improves battery lifespan, and ensures stable operation in demanding environments.

2MW Solar PV Integration

The microgrid system supports large-scale solar energy integration, including:

• 2MW photovoltaic access
• 16 PV inverters
• 2 AC combiner cabinets
• Flexible renewable energy scheduling
• Improved solar utilization efficiency

By combining solar power generation and battery storage, the system increases renewable energy use and reduces dependence on traditional power sources.

Intelligent EMS Platform

The system uses an intelligent Energy Management System (EMS) with:

• Real-time cloud monitoring
• Remote operation and maintenance
• Energy scheduling optimization
• Data visualization
• Fault diagnosis and alarm functions
• Multi-energy coordination management

The EMS platform intelligently manages energy flow between solar PV, battery storage, diesel generators, and utility grids to improve system performance.

Key Advantages

Seamless On/Off-Grid Switching

The integrated STS technology enables seamless switching between grid-connected and off-grid modes without affecting critical load operation. This ensures continuous and reliable power supply.

Intelligent Multi-Energy Coordination

The system supports intelligent coordination of:

• Solar PV systems
• Battery energy storage
• Diesel generators
• Utility grid

This hybrid operating strategy improves energy efficiency and ensures stable power supply under different operating conditions.

Peak Shaving & Cost Reduction

The microgrid solution helps users optimize electricity consumption through:

• Peak shaving
• Valley filling
• Demand charge reduction
• Solar self-consumption optimization
• Reduced diesel fuel usage

This significantly lowers long-term operating costs for commercial and industrial users.

High Reliability & Safety

The system adopts multiple safety protection mechanisms, including:

• Liquid cooling thermal management
• Battery protection systems
• Intelligent fire protection design
• Isolation transformer protection
• EMS fault monitoring

These features ensure safe, stable, and reliable system operation.

Fast Deployment & Easy Maintenance

The containerized integrated design offers:

• Rapid transportation and installation
• Simplified commissioning
• Reduced onsite construction work
• Convenient maintenance
• Flexible expansion capability

This greatly shortens project delivery cycles and reduces installation complexity.、

Typical Applications

The 1.5MW/10MWh PV-storage microgrid system is suitable for many applications, including:

• Remote villages
• Industrial parks
• Mining sites
• Island microgrids
• Telecom infrastructure
• Commercial facilities
• Emergency backup power systems
• Weak-grid areas
• Off-grid energy projects

Why Choose GSL Energy

GSL Energy focuses on delivering safe, efficient, and intelligent battery energy storage solutions for global renewable energy applications.

Our products and systems are widely used in:

  Residential ESS
  Commercial ESS
  Industrial ESS
  Telecom energy storage
  Solar microgrid projects
  Backup power systems
  EV charging Solutions

We are committed to helping global customers achieve energy independence, improve energy efficiency, and reduce carbon emissions through advanced battery storage technologies.