20kw on grid solar system Configuration
Core Components
Component | Specification |
---|---|
Solar Panels | 34 × LONGi HIMO 6 (LR5-72HBD-615M) |
Total DC Capacity | 20.91kW (615W × 34) |
Inverter | AUXsol AS-20000 (20kW 3-phase) |
Mounting Structure | H Beam elevated |
Daily Output (Summer) | 80-100 kWh |
Annual Generation | ~29,000-35,000 kWh |
Technical Specifications of 20kw on grid solar system
1. LONGi HIMO 615W Panels
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Type: Mono PERC Bifacial
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Efficiency: 22.3%
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Dimensions: 2279×1134×30mm
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Weight: 28.5kg/panel
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Temperature Coefficient: -0.35%/°C
2. AUXsol AS-20000 Inverter
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MPPT Range: 450-850V
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Max Input Current: 26A per MPPT
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Efficiency: 98.2%
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IP Rating: IP65 (Outdoor)
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Warranty: 10 years
3. Elevated Structure
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Height: 2m ground clearance
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Material: Iron H Meam
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Wind Rating: 120km/h
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Tilt Angle: 15°-30° (optimized for Pakistan)
20kw ongrid solar system Pricing Breakdown (PKR)
Item | Cost (PKR) |
---|---|
34 × LONGi 615W panels | 650,000 – 700,000 |
AUXsol 20kW inverter | 250,000 – 290,000 |
Elevated structure | 300,000 – 425,000 |
Installation & wiring | 300,000 – 400,000 |
Total System Cost | 1500,000 – 1630,000 |
Prices vary by location and installer
System Performance
Scenario | Output |
---|---|
June (Lahore) | 110-120 kWh/day |
December | 60-70 kWh/day |
Annual Savings | PKR 1.8-2.2 million (@PKR 18/unit) |
Key Advantages
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High-Efficiency Combo
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LONGi’s bifacial gain (+10-15% in elevated setup)
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AUXsol’s dual MPPT for shading mitigation
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Structural Benefits
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Allows under-panel space utilization (parking/agriculture)
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Better airflow = 3-5% cooler panel temps
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Commercial Viability
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Payback period: 3.5-4.5 years
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30+ year lifespan
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Critical Considerations
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Net Metering Approval required for grid connection
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Soil Testing mandatory for elevated structures
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Lightning Protection recommended for tall mounts
Installation Requirements
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Electrical
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3-phase grid connection
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200A main breaker
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4mm² DC cables
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Civil Works
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12-16 concrete foundations (1.5m depth)
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Certifications
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NEPRA generation license
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Where to Buy?
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LONGi Panels:
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Pakistan Solar Traders (Lahore)
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AUXsol Inverters:
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Pakistan Solar Traders
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Professional Support
For a customized feasibility study, provide:
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Site location
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Recent electricity bills
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Soil test report (if available)
Contact: 0304-1111988
This 20kw on grid solar system is ideal for:
✔ Factories ✔ Agricultural pumps ✔ School/universities ✔ Car parking shades