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Calculate solar system costs, savings and environmental impact for all states in India with our comprehensive calculator
Accurate calculations for all 36 states and Union Territories with region-specific solar irradiation data
Automatic subsidy calculation based on MNRE benchmark costs and current subsidy scheme
Detailed ROI, payback period, and lifetime savings calculations with multiple input methods
CO₂ emission mitigation and equivalent tree planting calculations based on IISc data
Comprehensive solar data for all Indian states and Union Territories
Tip: 4.2 kW system for 1500 sqft with 30% rooftop utilization
Select your state
Choose your state to get accurate solar irradiation and cost data
Choose calculation method
Select from area-based, capacity-based, or budget-based calculation
Enter electricity cost
Input your current electricity rate to calculate savings
≥1260 W/sq.m
States with excellent solar potential including Rajasthan, Gujarat, Madhya Pradesh, Maharashtra, Karnataka, Tamil Nadu, Telangana, Andhra Pradesh, and others.
1100-1259 W/sq.m
States with good solar potential including Bihar, Haryana, Punjab, Uttar Pradesh, West Bengal, Delhi, and others.
<1100 W/sq.m
States with moderate solar potential including northeastern states, Himachal Pradesh, Jammu & Kashmir, and others.
Calculation Disclaimer: The calculation is indicative in nature. Generation may vary from location to location based on local weather conditions, system quality, and maintenance practices.
Data Sources: Solar irradiation data, MNRE benchmark costs, and environmental impact calculations are based on official government sources and IISc research data.
Subsidy Information: Subsidy calculations are based on current MNRE guidelines. Please verify with local authorities for the most up-to-date subsidy information.
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