Core Viewpoint - The first digital grid research institute, "Southern Power Grid Digital," showcased its eLink office system, aimed at transforming organizational collaboration in the energy sector through a unified digital portal [1][4]. Group 1: eLink System Features - eLink serves as a comprehensive digital platform for the energy industry, integrating instant messaging, audio-video conferencing, online documentation, and task management into a single interface [1][4]. - The system enables seamless collaboration across desktop, tablet, and mobile devices, consolidating organizational communication, scheduling, document collaboration, and application management [4][5]. Group 2: Technical Architecture and Security - Built on a cloud-native architecture, eLink incorporates a self-developed distributed communication engine, facilitating rapid integration of internal systems and third-party applications through standardized API gateways and low-code platforms [5]. - eLink implements a three-tier security system focusing on self-controllable adaptation, network and communication security, and audit compliance, ensuring comprehensive protection throughout the digital office processes [5]. Group 3: Adoption and Performance Metrics - eLink has been fully deployed across the Southern Power Grid headquarters and 28 subsidiaries, with over 350,000 registered users and an activation rate of 99% [5]. - The platform handles an average of over 9 million messages daily, supports peak concurrent users of 400,000, and manages nearly 1,000 simultaneous meetings, demonstrating its capability to meet high concurrency demands in complex organizational structures [5].