Interactive 3D shadow simulation at Melun, France. View building shadows for any date and time, place virtual solar panels, and estimate solar energy yield.
Nearby Points of Interest
Transport (19)
Includes Melun, Gare de Melun, Gare de Melun and 16 more.
Healthcare (3)
Includes Centre médico dentaire, Molho Jacques et Sercki Patrick, Pharmacie de la Gare.
Dining (4)
Includes The Barista, Chez Céline, Café de la gare and 1 more.
Services (7)
Includes Caisse d'Épargne, Crédit Agricole, BPI and 4 more.
Switch to Place mode and click on rooftops to add solar panels
Panel Configuration
Panel Type
eff.
Size: {width}m x {height}m
Size
Peak: {watts}W
Temp coeff: {value}%/°C
Rotation: {value}°
[ ] to rotate
Selected Panel
Tilt: {value}°
Surface: {value}°
from surface
Azimuth: {value}°
Remove All Panels ({count})
N
NE
E
SE
S
SW
NW
All-day
Morning
Afternoon
Limited
Shading: {value}%
Monthly Energy Yield
Calculating energy yield...
Energy
Clear-sky estimate (actual yield varies with weather)
Includes cloud & temperature derating (NASA POWER, 22-yr avg)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Your Solar Impact
Annual Yield
Savings
year
facing
Your tilt: {actual}° | Optimal: {optimal}°
Optimal direction: {direction}
Place solar panels to see your impact
North
Northeast
East
Southeast
South
Southwest
West
Northwest
All-day sun
Morning sun
Afternoon sun
Limited sun
No shading detected
Shading loss: {value}%
Analyzing shadows...
Refining accuracy...
refining
What You Can Power
Lights
Laptop
TV
Fridge
Washer
Dishwasher
EV
Heat Pump
Powering all appliances!
Powering {powered} of {total} appliances
Add more panels to power {next}
Add more panels to start powering appliances
Enough for {value} households
your surplus feeds the grid
How Many Panels?
Small
Medium
Large
With EV
1–2 person household (~2,000 kWh/year)
3–4 person household (~4,000 kWh/year)
5+ person household (~6,000 kWh/year)
Household + electric car (~8,500 kWh/year)
~{count} panels needed
Based on {panelName} at optimal orientation
Installation Cost
Panels ({count}×)
Installation (labor)
Inverter & wiring
Total system cost
Annual savings
Payback
years
{country} incentives
Est. incentive
Net cost
Payback
Official source
Estimates are approximate and based on average market prices. Actual costs vary by installer, region, and system configuration. Incentive programs may have eligibility requirements.
Get free, no-obligation solar quotes based on your exact roof and panel layout.
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Get Free Solar Quotes
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Scene Objects
Buildings
Trees
Fences
Pergolas
Obstacles
Import
More
Shape
Style
Round
Oval
Conifer
Palm
Columnar
Height
Canopy
Trunk H
Canopy Color
Deciduous (loses leaves in winter)
Evergreen (year-round)
Wood
Brick
Concrete
Hedge
Length
Thick
Color
Flat
Louvered
Awning
Width
Depth
Tilt
Box
Cylinder
Chimney
Pole
Diameter
Remove All Objects ({count})
Tap to place.
Tap to select.
Selected Object
Y Offset
Rotation
Reset to Original
Delete Object
Garden
Greenhouse
Bulldozer
Radius
Click to flatten an area. Adjust shape, size, rotation and height.
Zone
Remove All Zones ({count})
Hide Zones
Show Zones
Enable All
Disable All
Enable zone
Disable zone
off
Circle
Rectangle
Report
Site Report
Solar Site Assessment
Generate a professional PDF report of your solar analysis.
Company / Installer
e.g. ACME Solar
Client Name
e.g. John Smith
Additional Notes
Special requirements or comments...
Generate PDF Report
Capturing 3D views...
Building PDF report...
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Solar Site Assessment
Location
Coordinates
Company
Client
Date
System Summary
Panels
Peak Power
Annual Yield
Annual Savings
Orientation
Shading Loss
Specific Yield
Monthly Energy Production
Top-Down View
Financial Analysis
Panels Cost
Installation
Inverter & BOS
Total System Cost
Cost per kWp
Payback Period
years
Government Incentives
Estimated Grant Value
Net Cost After Incentives
Net Payback Period
Notes
This report is generated by SunTrace3D for informational purposes only. Actual yields, costs, and savings may vary based on local conditions, equipment specifications, and installation quality. Please consult a certified solar installer for a detailed site assessment.