International Journal of Engineering and Information Systems (IJEAIS)   Year: 2023 | Volume: 7 | Issue: 5 | Page No.: 10-15 Analysis of High Level Design Application Centralized Application System Architecture in Stream Distribution Download PDF Ajub Ajulian ZM, Enda Wista Sinuraya, Yuli Christyono, Bambang Winardi Abstract: PT. PLN is a company engaged in providing electricity in Indonesia. In industry 4.0, PT. PLN uses information technology to support the company's business needs. PT PLN has units spread throughout Indonesia where each local unit also builds its own application. Based on the results of the 2022 inventory, there are 344 active unit applications. In order to improve the efficiency and productivity of the company, PT. PLN performs Enterprise Application Integration on the unit's local application. Enterprise Application Integration has several stages that need to be passed, one of which is application architecture. Application architecture is important because it is the basis for application design including features in the application which will support the business process. Application Architecture has several stages in software design, namely System Level Design, High Level Design, and Low Level Design. This report is specifically to discuss the application of High Level Design in the IT Planning and Strategy subdivision of the Information Technology Systems Division of PT. PLN.