🏭 Small C&I Solution
Solar 25 kW + Storage 48 kWh | Peak-Valley Arbitrage for Business
Solution Overview
Designed for small factories, shops, and office buildings. The solar-storage system charges during off-peak hours and discharges during peak hours, effectively reducing basic electricity fees and kWh charges while providing UPS-level power backup for critical equipment.
Standard Configuration
| Component | Model | Specification |
|---|---|---|
| Storage Inverter | Qixuan EC Three-Phase | 25.0 kW |
| Energy Storage | Qixuan BAT 10.0 × 5 | Total 45 kWh |
| PV Modules | Standard Monocrystalline | 25 kWp |
| Communication | Qixuan CommMod | 4G |
Peak-Valley Arbitrage Model
Based on typical commercial tariff spread (~$0.15/kWh):
- Daily arbitrage volume: ~40 kWh
- Annual arbitrage revenue: ~$2,000 to $2,400
- Combined annual benefit (incl. PV savings): ~$4,000 to $5,000
- Estimated payback period: 4 to 6 years
- 25-year total return: Significant positive ROI