SolarPlan Pro — solar panel design, string sizing and financial analysis tool

💰 Pricing Guide
1⚡Panel Specs▾
2🌍Location & Solar▾
📡 Auto
🏔 Horizon: will auto-load on Calculate
☀️ Shading Simulation (Visual Only)
12:00
3🏠Roof Sections▾
Gap: space between adjacent panels. Edge: margin from roof edge on each side.
Leave empty or 0 for max fit
Exclusion Zones (chimneys, skylights)
📍 Coordinates from section top-left corner (0,0 = top-left). X = horizontal →, Y = vertical ↓
4🔌Inverter & Strings▾
Brand
Phase
Include Battery Storage
⚡🔋Power Optimizer▾
5💰Financial▾
Module price per Wp. Enter your own or wholesale price so the payback matches real quotes.
Quick Estimatefrom scratch
Auto-sizes a south roof to this size and calculates.
v4.1
100%
Panel
Rail
Mount Point
+Terminal
−Terminal
DC+
AC
GND

Configure your system and click
Calculate Layout to see results.

Calculate to see electrical analysis.

Calculate to see financial analysis.

Calculate to see production simulation.

System Architecture
100%
DC+ Cable
DC− Cable
AC Cable
Junction Box
Ground Wire

Calculate to generate technical report.