☀️ Rooftop Solar Yield Lab: Sun Path, Tilt, Shading and Payback

A 3D house with a tilting rooftop solar array, a live sun path and tree/chimney shadows, computing hourly irradiance on the tilted plane, cell temperature, annual kWh, self-consumption versus export, payback years and CO2 saved for five cities. An experiment compares the model's best fixed tilt with the 0.76*latitude+3.1 rule of thumb.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install