ETAP Electrical Transient Analyzer Program (ETAP) is an electrical network modeling and simulation software tool used by power systems engineers to create an "electrical digital twin" and analyze electrical power system dynamics, transients and protection. ETAP was developed for utilization on MS-DOS operating system and intended for commercial and nuclear power system analysis and system operations. OTI has been developing ETAP for 30 years by providing the comprehensive and widely used enterprise solutions for generation, transmission, distribution, industrial, transportation, and low-voltage power system 📌Note : All the product are sent out via digital download link through e-mail. No physical item will be posted out.