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Differences between PVsyst 6 and PVsyst 7

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User interface and localization

PVsyst now proposes a new completely overhauled user interface, harmonized throughout the whole software along with complete localization. Full-software translation coverage (except the Help), Turkish and Korean languages available.

PVsyst is now sized and optimized for screens with a resolution of minimum 1280x720 at 100% text size.

Support of 64-bit architectures

Extends PVsyst capabilities of handling large projects and shading scenes


The restriction of 8 sub-arrays has been removed, you can now have an unlimited number of sub-arrays


New conversion of fixed tables to trackers. Trackers with central gap parameter for bifacial, tracker distribution on a hill.

Output AC circuit

Definition of several MV and HV transformers, with their specifications

Simulation, live results display

Simulation result values and graphs update in real time while the simulation is running.

Simulation errors and warning are now displayed with the results.

Economic evaluation

Levelized Cost of Energy (LCOE), Net Present Value (NPV), multiple loans of multiple types, advanced depreciation configuration.

The economic evaluation is now availability for Stand-alone and Pumping systems.

In the version 7, an update to the following models will have a limited impact on the yield compared to V6:

Transposition model

With the release of V7, PVsyst now proposes by default the new transposition that applies to both Hay and Perez models. This new transposition introduces an improved treatment of the circumsolar component. It will have impacts on the electrical shadings and vertical Bi-facial systems.

Module layout

The module layout has been extensively reworked with updated electrical shadings calculations that can handle half-cell modules.

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