This app displays the most common indices for solar radiation measurements.
5,000+ downloads
About Solar Radiation
Solar Radiation is a weather app developed by Microsys Com Ltd..
Download Statistics
Solar Radiation has been downloaded 7.8 thousand times. In the last 30 days, the app was downloaded 250 times. It is ranked #118 in weather.
User Ratings
The app has no ratings yet.
App Information
Solar Radiation is FREE to download. The APK download size is 52.25 MB. The latest version available is 11.4.0. The last update was on August 6, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play November 2023.
Description
Here is a nice application that displays the instant and the mean values of the most important indices related to the solar irradiance. This accurate measuring tool (portrait orientation, Android 6 or newer) works on the tablets, phones and smartphones that are connected to the Internet. At first, it gets the local coordinates (latitude and longitude) from your device's GPS and then retrieves those parameters from an Internet server. There are five important parameters that show the amount of solar radiation received per square meter:
Shortwave Radiation - GHI - is equal to the total Global Horizontal Irradiation; Direct Radiation - DIR - is the amount of direct solar radiation on the horizontal plane; Diffuse Radiation - DIF - is the amount of diffuse solar radiation that come equally from all directions; Direct Normal Irradiance - DNI - is the amount of direct radiation received on a surface perpendicular to the position of the Sun; Terrestrial Radiation - TER - is the amount of outgoing longwave radiation emitted by the Earth's surface to space.
The GHI parameter is actually the sum of DIR and DIF. All of these indices are provided for the current day, but there are 7-day forecasts for all indices, both instant and average values. The sum of all GHI hourly indices can be used to calculate the total energy received by each square meter of your solar panels. This value includes their efficiency and other energy losses that occur during conversion to electricity.
Features:
-- instant display of the solar radiation indices at current location -- easy calculation for the energy generated by your PV system -- 7-day forecast for all solar parameters -- free application -- no limitations -- only one permission required (Location) -- this app keeps the phone's screen ON
Recent changes: - Several date formats were added - TTS and Exit confirmation options added - Location and Time were added - A graph of Total energy on horizontal or tilted surfaces was added - A new parameter was added, Global Tilted Irradiance - Azimuth and Tilt angles as inputs for GTI - Energy produced by solar panels can now be based on GTI - Optimum tilt angles recommended for your panels - Timezone was added - Energy graphs for each parameter, mean and instant
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Nice and helpful in summer vacation! Congrats to the programmer!
★★★★★pieter guijt· Jul 24, 2025
It's doing what I want I show how strong the sun is and at withe part of the day hady for using a small not to small Soler panel fore charging small divices or power banks
★☆☆☆☆Mike C.· Nov 18, 2025
Does not measure irradiance. It only looks up an approximate prediction based on user's timezone. It would be much more useful if it also used the phone's camera to measure the real irradiance. (Responding to the seller's comment) I looking for an app that can measure solar irradiance, at MY solar panel, mounted on MY roof, at a particular orientation. Your app looks up a reference value, but it cannot compensate for these factors, or local weather, shade trees, etc.
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