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PVsyst

Photovoltaic design and simulation software used to model yield, bankability and profitability before a solar project is built.

Pricing is not published on the vendor's site. Ask them for a quote before shortlisting; the recorded details show only what the vendor states publicly.

Overview

PVsyst is a long-standing photovoltaic simulation suite from Switzerland: PVsyst 8 is the core product for designing systems, modelling energy yield, calculating project profitability and optimising with hourly and sub-hourly simulation against its own databases of components and weather data. The range is split by need, with PVsystBasic for simpler studies and PVsystCLI for automating simulations from a command line, which is how consultancies and asset owners batch-run scenarios. A one-month free trial is offered, and support runs through email, forums, FAQs, documentation and video tutorials in English and French, with training and consulting available. Pricing sits behind a shop and sales contact rather than on the site.

Editorial verdict

The value is in the bankability conversation: a yield model from a tool the financing side already accepts shortens due diligence, and hourly or sub-hourly simulation supports storage and grid questions that a monthly model cannot answer. PVsystCLI is the operational advantage for anyone running hundreds of layouts, and the one-month trial is enough to test it on a real site. It is desktop software, so the workflow differs from web-based design tools, and version licensing needs checking before a large rollout. For a developer, EPC or consultancy working on utility-scale PV, it is close to a default; for a small installer, a web tool may be faster.

Written by the GreenAIX editors from the recorded fields above. Vendors do not review or approve verdicts.

Use cases

  • Model photovoltaic yield for a project
  • Run bankability studies before financing
  • Automate large batches of simulations
  • Compare module and inverter configurations

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