| System Model | SP-20KW-ON | SP-30KW-ON | SP-50KW-ON |
| Half Cut Mono 590W Solar Panel | 34 Pieces | 50 Pieces | 85 Pieces |
| DC Disconnect Switch | 4 Piece | 8 Pieces | 15 Pieces |
| On Grid Solar Inverter | Solis-3P20K-4G | Solis-3P15K-4G | Solis-3P10K-4G |
| 2 Pieces | 5 Pieces | ||
| DC Cable 4mm2 | 600 meter | 800 meter | 1000 meter |
| AC Disconnect Switch | 1 Piece | 2 Piece | 5 Piece |
| MC4 Connector | 20 Pairs | 30 Pairs | 50 Pairs |
| Mounting System | Customized Product Based On Installation Roof/Ground | ||
| PV Installation Tools | 1 Set | ||
1. Does it work during power outages?
No. On-grid systems shut off during outages for safety.
2. What maintenance is required?
Minimal: Annual cleaning of panels and routine inverter checks. No moving parts = low upkeep costs.
3. How about the after-sale services?
Just contact with us and explain your question, our professional engineering team will help you on this.
4. Can I expand the system later?
The modular design allows easy capacity upgrades by adding more panels/inverters.
5. What is the efficiency of the supporting Solis on-grid inverter?
The matched Solis three-phase inverter delivers up to 99% conversion efficiency, with multi-MPPT tracking for higher energy harvest, plus smart diagnostics and cloud monitoring for easy remote management.
6. Can Sunpal provide a detailed quotation for an on-grid solar system?
Yes. Sunpal provides detailed quotations and customized on-grid solar system solutions based on system capacity, component configuration, installation conditions, and project requirements. The quotation can include an itemized bill of materials covering solar panels, inverters, mounting structures, cables, and other system components, helping customers evaluate the complete project cost.
7. Can buyers choose different components to control the system cost?
Yes. Sunpal can customize the system configuration according to project requirements and budget. Buyers can select suitable solar panels, inverters, mounting structures, cables, and protection components based on actual system needs, avoiding unnecessary over-specification. Using standard and widely available components where appropriate can also help optimize procurement costs while maintaining the required system performance and reliability.
