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  • Photovoltaic Calculations screenshot 1
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About Photovoltaic Calculations

THE FUTURE IS SOLAR ENERGY. MAXIMIZE YOUR PLANT'S YIELD. Photovoltaic Calculations is the ultimate app for industry professionals, installers, and renewable energy enthusiasts. Design, size, and analyze every aspect of your solar plant with precision and speed. Get the most out of your solar panels by optimizing every single component simply and instantly! MAIN CALCULATIONS AND SIZING: - Photovoltaic panel yield - Air mass index and fill factor - Sun position and optimal tilt angle - Irradiance on a tilted surface - Solar cell temperature and temperature effect on the module - Integrated tools: compass, inclination, altitude - Solar cable ampacity and cross-section calculation (DC) - Protective device sizing and SPD (Surge Protection Device) requirements - String sizing and short-circuit currents - Ideal inverter selection - Photovoltaic panel decay over the years - Occupied surface area and spacing between module rows - Estimation of daylight hours during the year THEORETICAL AND PRACTICAL RESOURCES: - Series and parallel panel connections - Basic concepts: module, string, and photovoltaic array - Astronomical parameters: solar zenith, solar azimuth, solar declination Everything you need is packed into an intuitive interface, which also includes a VERY USEFUL FORMULARY always at your fingertips. Do not leave efficiency to chance, start designing your perfect solar plant today!

What’s new

Version 3.3.0 · Updated September 7, 2026

* New: Module layout * New: Annual energy production * New: Annual solar irradiation * New: Ground-reflected irradiance (albedo) * New: Table of albedo values * Mod: "Card" interface in all calculations * Mod: Coordinates (if entered) are passed to the map * Mod: Improved geolocation speed * Mod: Use Wp and kWp units for module power * Fix: "Portrait" and "Landscape" were displayed only in Italian * Fix: In the calculation of the protection device only the results of the set cables are shown

App privacy

The developer, Egal Net di Ettore Gallina, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID
  • Usage Data: Advertising Data

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Usage Data: Advertising Data, Product Interaction
  • Purchases: Purchase History
  • User Content: Customer Support
  • Diagnostics: Crash Data, Performance Data

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality

Alternatives to Photovoltaic Calculations

Looking for apps like Photovoltaic Calculations? Here are 6 similar apps on the App Store. The highest rated is Solar APP: PV Solar Calculator (4.6/5), and 5 of the 6 are free to download.

Photovoltaic Calculations vs. alternatives
App Rating Price Last updated
Photovoltaic Calculations 5.0 / 5 (1 rating) Free September 7, 2026
Solar APP: PV Solar Calculator 4.6 / 5 (44) Free Aug 15, 2025
My Solar Panel 4.6 / 5 (110) Free May 20, 2026
PV Solar Tilt 4.4 / 5 (166) Free May 13, 2026
PV Solar Forecast 4.0 / 5 (43) Free Sep 12, 2026
iSolergo – Free Dec 10, 2025
SLD | Electrical diagrams 4.1 / 5 (132) 1.99 USD May 31, 2026