You can download PIKO Plan 2.0 from our software library for free. The actual developer of the free program is Kostal Solar Electric GmbH. The most popular versions among PIKO Plan users are 2.0 and 1.0. This free PC program is developed for Windows XP/Vista/7/8/10 environment, 32-bit version. The software lies within Home & Hobby Tools, more precisely General.
From the developer:
PIKO Plan 2.0 from KOSTAL Solar Electric is designed to replace the existing Excel-based program and simplify the laying out of inverters for installers. It helps you configure and simulate an electric plan covering almost every variable: location, PV generators, inverters, string adjustment, etc.
You may want to check out more software, such as Easy Plan Pro, Home Plan Pro or T-Plan Professional, which might be similar to PIKO Plan.