Solar Installation Calculator
Calculate complete solar system installation cost including all components and services
System Configuration
Solar panel system capacity in kilowatts
Config: 5kW grid-tied, RCC, metro
Cost per watt: ₹66.6 | Total: ₹3,72,960
Cost Breakdown
Solar Panels (5kW @ ₹38/W):₹1,90,000
Inverter (grid-tied):₹40,000
Mounting Structure (rcc):₹40,000
Wiring & Accessories:₹23,000
Installation (metro):₹40,000
Total Investment
Subtotal (Before GST):₹3,33,000
GST (12%):₹39,960
Grand Total:₹3,72,960
Cost per Watt
₹66.6/W
System Specifications
System Capacity
5 kW
System Type
grid tied
Roof Type
rcc
Location
metro
Cost Distribution
Component-wise cost breakdown for 5kW solar system
Quick Summary
System Size:5 kW
System Type:grid tied
Installation:metro location
Cost per Watt:₹66.6
GST (12%):₹39,960
Total Investment:₹3,72,960
How Solar Installation Cost Works
Equipment Costs
Solar Panels: ₹1,90,000 (5kW × 1000W × ₹38/W)
Inverter: ₹40,000 (grid-tied type at different rates)
Total equipment: ₹2,30,000
Installation & Structure
Mounting Structure: ₹40,000 (rcc type)
Installation: ₹40,000 (metro rates)
Wiring & Accessories: ₹23,000 (10% of equipment cost)
Final Calculation
Subtotal: ₹3,33,000 + GST (12%): ₹39,960 = ₹3,72,960
Cost per watt: ₹3,72,960 ÷ 5000W = ₹66.6/W
Cost Variations
Costs vary by location, roof type, and system configuration. Ground mounting and off-grid systems cost more due to complexity.
Metro installation: ₹8K/kW | Rural: ₹4K/kW | RCC roof: ₹8K/kW | Ground mount: ₹15K/kW
Installation Process & Tips
Installation Steps:
- • Site Survey: Roof assessment and shading analysis
- • Design: System layout and component selection
- • Permits: Electricity board approvals
- • Installation: Mounting, wiring, and commissioning
Cost Optimization:
- • Choose appropriate system type for your needs
- • Consider local installation rates
- • Compare quotes from multiple vendors
- • Check for government subsidies and incentives
Your 5kW System Estimate:
System: Grid-tied
Location: Metro
Roof: RCC
Cost/W: ₹66.6
Before GST: ₹3,33,000
Total: ₹3,72,960
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