Types of Solar Power Systems

On-grid Solar Power System

• Directly connected to the national power grid.
• Reduces monthly electricity bills.
• Excess electricity can be sold back to EVN (Vietnam Electricity).
• Suitable for households, offices, and small to medium-sized businesses.

Off-grid Solar Power System

• Operates independently without relying on the national grid.
• Uses batteries to store electricity, ideal for remote or rural areas.
• Provides a stable power supply during grid outages.

Hybrid Solar Power System

• Combines grid-tied and battery storage systems to ensure stable energy supply.
• Maintains power during outages thanks to battery backup.
• Suitable for businesses and manufacturing facilities requiring continuous power.

Solar Power System Installation Process at Ngân Thanh

✅ Step 1: Site Survey & Consultation

• Assess the customer’s electricity usage needs.
• Measure roof area, sunlight direction, and optimal installation location.
• Recommend a system solution that fits both the budget and requirements.

✅ Step 2: System Design

• Create technical drawings with optimized capacity.
• Select suitable equipment: solar panels, inverters, mounting structures, wiring, etc.
• Ensure compliance with safety standards and high efficiency.

✅ Step 3: Installation & Commissioning

• Professional technicians carry out fast and precise installation.
• Secure system firmly in place and ensure proper electrical connections.
• Perform inspection and trial operation to ensure smooth system performance.

✅ Step 4: Maintenance & Support

• Provide remote monitoring and performance checks.
• Offer regular maintenance to ensure long-term, stable operation.
• Warranty support: up to 25 years for solar panels, 5–10 years for inverters.