State Grid Information and Telecommunications Group built a smart power IoT system using EMQX to support large-scale, intelligent grid operations. The platform was designed to manage millions of heterogeneous power devices while integrating both legacy and modern protocols. Key challenges included enabling massive concurrent connections, ensuring efficient cloud-edge collaboration, and maintaining system reliability. By leveraging EMQX, SGITG achieved scalable, high-performance data transmission and seamless device access. The solution improved operational efficiency, accelerated IoT deployment, and enabled real-time monitoring and control, providing a strong foundation for a secure, intelligent, and highly connected smart grid ecosystem.

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