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In the digital age, where does the power of informationization in the energy sector originate? And how can we further accelerate the process of power informatization? The State Council's recent guidance on promoting the "Internet +" initiative offers a clear direction. This policy not only supports technological innovation but also highlights the importance of integrating modern information and communication technologies into the power industry.
Huang Haihui, vice president of strategy at Beijing Hezhong Shuangzhuang Technology Co., Ltd., recently emphasized that under the "Internet +" framework, there are vast opportunities for the integration of internet technology and the power grid, especially for power grid enterprises. The deep integration of next-generation technologies like mobile internet, cloud computing, and big data is central to the ongoing grid modernization and industry transformation.
Compared to other sectors, the power industry is now focusing on "smart terminals" and "miniaturization" as key trends. These developments are particularly relevant for B/S and C/S information projects currently dominated by the State Grid. According to Huang, this shift represents a huge market opportunity. He believes that expanding the depth and breadth of internet integration with the power grid is essential, and that the Beidou system should become a core driver for the informatization of China’s power grid and a major force behind its innovation.
One of the critical challenges in grid operations has been the lack of precise positioning in remote or difficult-to-reach areas. Before the Beidou system was widely used, the power industry relied heavily on GPS and GLONASS, which posed significant security risks. Many grid-related tasks, such as asset management, line inspections, and GIS data collection, were vulnerable to external interference and data breaches.
As grid information systems evolve, the demand for accurate spatial positioning and mobile connectivity continues to grow. Traditional manual methods are no longer sufficient, as they are time-consuming, error-prone, and inefficient. In practice, some grid operations already achieve 3–5 meter accuracy, but as customer expectations rise, even higher precision—down to millimeter-level—has become a top priority.
Currently, grid companies rely on their own base stations or ground-based enhancement networks to achieve high-precision positioning. For example, setting up 5–6 reference stations in a city allows for centralized data collection, processing, and broadcasting via 3G/4G networks. However, Huang Haihui argues that the "China Precision" satellite-based augmentation system is more efficient, accurate, and cost-effective for future grid development.
Launched in June 2015 by Hezhong Shuangzhuang, "China Precision" is a world-leading satellite-based augmentation service. It provides enhanced positioning services at sub-meter, decimeter, and centimeter levels. As an integral part of the Beidou system, it serves global grid users and addresses a critical technical gap in China’s satellite navigation industry.
While many grid companies still rely on foreign systems, these come with high costs and security risks. The construction of "China Precision" is not just a corporate need—it is a national and industry imperative. By achieving full control over the system, China has broken international technological monopolies, ensured data sovereignty, and improved the accuracy and reliability of its satellite navigation infrastructure.
In satellite navigation applications, higher precision translates to better performance and user experience, especially in complex environments like power grids. The "China Precision" wide-area space-based augmentation system broadcasts differential data through geosynchronous orbit satellites, enabling high-precision signals in areas without ground-based coverage.
An example of this technology in action is Hezhong Shuangzhuang’s "Power Mobile GIS Main Network Inspection System." Built on the GeoSourceMobileGISITS platform, this system supports main network inspection tasks and integrates existing PMIS and PGIS data. It uses a C/S architecture, combining a central server with client monitoring centers, ensuring efficient and unified management of grid infrastructure maintenance.