30 GB for installation, plus up to 100 GB for project storage (SSD highly recommended).
ETAP 21.0.2 introduced several advanced modules and enhancements to existing power analysis tools: Etap 21.0.2 2021 Download
: Features advanced modeling for Smart Inverters with autonomous grid-support functions like Volt-Var and Volt-Watt control. 30 GB for installation, plus up to 100