🚏 Solar Bus Shelter: PV Roof Tilt, Daily Yield and Battery Autonomy (2D)

Side view of a bus shelter with a tilted solar roof, a battery and a night LED, followed through a day. Set the latitude, day of the year, roof tilt, panel area, efficiency, sky clearness, battery size and lighting power, and see the sun position, the panel output, the battery charge and whether the light stays on all night. The sun geometry and the battery ledger are checked with four in-page numerical checks.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install