Size.Solar

    SIZE.SOLAR / PLAY & LEARN

    Solar Day.

    A little home. A day of sunshine.
    How much can you power?

    Sunny day12:00
    2 panelsWashing at 18:00No battery
    Explore hour by hour
    00:0012:0023:00

    12:00 · 0.0 kWh from grid

    1Catch the sun2Follow the sun3Save some for tonight

    Catch the sun

    Choose panels to power at least 35% of this home's day with solar.

    Panels on the roof

    Make your choice, then watch a day play out.

    How this game works

    A fictional 24-hour home, using SizeSolar’s energy model. Each panel is 450 W. The home uses 11.6 kWh a day, including a 2 kWh washing cycle. The battery keeps a 20% reserve and starts with no usable charge. Clouds reduce the example sunlight to 55%. Conversion and storage lose energy; the grid covers any shortfall. No exports or power cuts are simulated. This teaches energy timing, not the size, cost or savings of a real system.