Get a quick solar generation forecast for your UK home or portable panels. See hourly and daily predictions, optimize appliance usage with smart timers, and receive alerts for peak solar windows. Works with any UK solar setup without inverter login.
1.7
July 2, 2026
Improvements keep coming! A new Sun Hours Heatmap - see at a glance when your panels were working their hardest for you. The Accuracy card shows you how accurate Sun Hours currently is compared to your actual generation numbers. The Energy flow screen visualises how your home set up is currently flowing. Please keep the feedback coming.
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Yes, Sun Hours contains advertisements. These are infrequent and can be closed.
Sun Hours is free to use. There are no upfront costs to download or use the core features of the application.
The latest version of Sun Hours is 1.7, and it was last updated on July 2, 2026. This indicates a recent update cycle.
Sun Hours is available for iPhone, iPad, and iPod. It is designed for iOS devices.
Sun Hours has an age rating of 4+. This suggests it is suitable for a wide range of users, including children.
Sun Hours uses your postcode and historical weather data to provide an hour-by-hour generation curve and a 7-day forecast, including cloud cover and efficiency breakdowns.
Yes, Sun Hours features a 'Travel Mode' that allows you to get accurate solar forecasts for any location by dropping a pin or using GPS, ideal for campervans or portable kits.
No, Sun Hours does not require an account or inverter login. It is designed for simplicity and privacy, with your location never leaving your device.
