A newer version of the Streamlit SDK is available:
1.52.2
Solar Rooftop Analyzer - Example Analyses
Example 1: Rooftop Image 1 - Average Household
Input Image
- Location: Mumbai, Maharashtra
- Building Type: 2-story residential complex
- Roof Type: Flat concrete roof
Analysis Results
{
"timestamp": "2025-01-27 14:30:22
, "analysis
: { "roof_condition":
"good", "usable_area_p
rcent": 78, "system
size_kw": 12.5,
"confidence": 87, "notes": "Good roof visibility, Large usable roof area, H
gh
confidence a
alysis" }, "me
rics": {
system_kw": 12.5,
"panels": 32, "
nnual_kwh": 18000, "n
t_cost": 1750000,
annual_savings": 144000,
"payback_years":
}
}
Key Insights
- Investment: ₹17.5L after subsidy
- Annual Savings: ₹1.44L
- ROI: 106% over 25 years
- Environmental: 180 tons CO₂ offset over lifetime
Recommendations
✅ Excellent investment opportunity ✅ Large roof space maximizes returns ✅ Good condition suitable for 25-year system life
Example 2: Roodtop Image 2 - Rural Area Household
Input Image
- Location: Delhi NCR
- Building Type: 2-story independent house
- Roof Type: Sloped tile roof
Analysis Results
{
"analysis": {
"roof_condition": "fair",
"usable_area_percent": 55,
"system_size_kw": 6.8,
"confidence": 72,
"notes": "Moderate image quality, Moderate roof space available"
},
"metrics": {
"net_cost": 952000,
"annual_savings": 78336,
"payback_years": 12.2,
"lifetime_savings": 1006400
}
}
Key Insights
- Investment: ₹9.52L after subsidy
- Payback: 12.2 years (acceptable)
- Challenges: Limited roof space, moderate confidence
Recommendations
👍 Good solar potential despite limitations ⚠️ Consider roof improvements for better efficiency
Analysis Patterns
Success Factors
- Clear Images: High confidence (80%+)
- Large Roofs: Better economics of scale
- Good Condition: Lower maintenance costs
- South Orientation: Maximum energy production
Common Challenges
- Shading: Trees, buildings reduce efficiency
- Complex Roofs: Higher installation costs
- Poor Images: Lower confidence scores
- Small Areas: Limited system size options
Indian Market Insights
- Typical Payback: 10-15 years in India
- Government Support: 30% subsidy makes most projects viable
- Regional Variations: Consider local electricity rates
- Seasonal Factors: Monsoon impact on installation timing