Rooftop Solar Yield Screensaver
The Rooftop Solar Yield screensaver shows the real solar-radiation forecast for a city you choose, read key-less from Open-Meteo and turned into the generation curve a rooftop array of the size you set would follow today and tomorrow. It's free, runs in your browser, and ESC exits.
Live preview
Press ESC to leave fullscreen. Settings are saved in your browser only.
How the Rooftop Solar Yield screensaver works
The saver reads Open-Meteo directly in your browser — no key and no account.
The real solar-radiation forecast for a city you choose, read key-less from Open-Meteo and turned into the generation curve a rooftop array of the size you set would follow today and tomorrow..
It refreshes on a schedule, so what you see stays current.
Colours and the accent can be changed in settings; nothing is stored beyond your own browser.
A worked example
The real solar-radiation forecast for a city you choose, read key-less from Open-Meteo and turned into the generation curve a rooftop array of the size you set would follow today and tomorrow.
Settings & tips
- Accent and Background recolour the display.
- Data comes straight from Open-Meteo in your browser.
- Press ESC to leave fullscreen.
Frequently asked questions
- Is this real data?
- Yes — it comes from Open-Meteo and is refreshed on a schedule.
- Is a key needed?
- No. This source is fully key-less.
- Does it need an internet connection?
- Yes — it reads a live source, so it needs a connection to update.
- Is it free?
- Yes — free, no download, in your browser.