1. PVsyst SA Announcements (read only)

   1. Latest news

      9

      posts

      • 
      • Webinar Q&A
      • By Lazare Fesnien, January 7, 2025
   2. PVsyst main changes

      6

      posts

      • 
      • PVsyst 8.0.18 & 8.0.19: Power shifting issue
      • By Robin Vincent, January 13

2. FAQ (read only)

   1. Installation and use of PVsyst

      61

      posts

      • 
      • License activation error on a Virtual Machine
      • By Lazare Fesnien, May 26, 2025
   2. Meteo data

      25

      posts

      • 
      • New circumsolar treatment in V 7.0
      • By Bruno Wittmer, June 8, 2020
   3. PV Components

      26

      posts

      • 
      • New power sharing interface (v7.2.15)
      • By Michele Oliosi, August 8, 2022
   4. Shadings and tracking

      27

      posts

      • 
      • Electrical shading losses: partition model
      • By Michele Oliosi, February 19, 2024
   5. Simulations : parameters

      26

      posts

      • 
      • How to optimize simulation time
      • By Lazare Fesnien, October 19, 2023
   6. Simulations : results

      22

      posts

      • 
      • Since version 6.27, the electrical shading loss has changed, why ?
      • By Michele Oliosi, March 14, 2023
   7. Standalone and pumping systems

      5

      posts

      • 
      • Can I use a flow battery in PVsyst ?
      • By André Mermoud, June 24, 2019

3. Your questions about PVsyst

   1. How-to

      2.9k

      posts

      • 
      • Degradation Losses
      • By Linda Thoren, Yesterday at 09:14 AM
   2. Problems / Bugs

      3k

      posts

      • 
      • Advanced simulation TExtON and other temperature features not working
      • By Niels, Wednesday at 12:38 PM
   3. Meteo data

      884

      posts

      • 
      • Time series imports only one year
      • By Eric Poirrier, Wednesday at 09:22 AM
   4. PV Components

      783

      posts

      • 
      • Inverter output power by .OND file
      • By LauraH, January 13
   5. Shadings and tracking

      1.7k

      posts

      • 
      • Issue with Orientation Definition After Latest PVsyst Update
      • By Jéremie Bernier, Wednesday at 09:06 AM
   6. Simulations

      2.8k

      posts

      • 
      • LID - Light Induced Degradation and Module Degradation
      • By Michele Oliosi, Tuesday at 07:12 AM
   7. Suggestions

      691

      posts

      • 
      • Nominal discount rates, LCOE and PBP calculations
      • By Hizir Apaydin, January 5

4. Your questions about PVsystCLI

   1. How-to

      47

      posts

      • 
      • Partitioning
      • By Michele Oliosi, January 16
   2. Problems / Bugs

      46

      posts

      • 
      • LID and module degradtion
      • By Ana Sofía Lanza, January 16
   3. Suggestions

      1

      post

      • 
      • More tools to convert meteorological data
      • By shaoyiren, October 27, 2025