Yimin coal mine: what 100 AI-driven electric trucks taught the mining sector

xo Project Cases 2026-05-09 7

Summary:At Inner Mongolia’s Yimin mine, 100 AI-driven electric haul trucks operate in extreme conditions. The project showcases advances in autonomy and connectivity and raises questions about coal’s long-term future.Source: Compiled & translated from mining-technology.comTen months ago, the mining in...

At Inner Mongolia’s Yimin mine, 100 AI-driven electric haul trucks operate in extreme conditions. The project showcases advances in autonomy and connectivity and raises questions about coal’s long-term future.

Source: Compiled & translated from mining-technology.com


Ten months ago, the mining industry felt what may prove to be more than a symbolic tremor. At the Yimin coal mine in Inner Mongolia, a 100-strong fleet of electric, 5G-Advanced (5G-A) connected, AI-driven autonomous trucks were deployed in temperatures of -48.5°C.

The deployment is framed as a breakthrough in safety and productivity – but is also raises a harder question: does electrified autonomy decarbonise mining or entrench coal’s commercial life?

Developed and manufactured by China Huaneng, Xuzhou Construction Machinery Group, Huawei and State Grid Smart Internet of Vehicles, the Huaneng Ruichi fleet is designed specifically for Yimin’s extreme conditions.

The open-pit mine experiences prolonged sub-zero conditions, dense dust and fog, and an average annual precipitation of 354.73mm, half of it concentrated in July and August.

The mine reportedly holds proven reserves of more than 725 billion tonnes (bt). There is no shortage of difficult terrain ahead and no shortage of pressure to improve safety and efficiency.

Electrification, autonomy and connectivity form the technological core of the project. The trucks combine onboard AI with 5G-A connectivity to position electrification not simply as an environmental, social and governance exercise but as an operational strategy.

Li Shuxue, chairman of Huaneng Inner Mongolia Eastern Energy, said: “The Huaneng Ruichi trucks have set three new records for autonomous electric mining trucks: the world’s largest payload, fastest running speed and lowest operating temperature.”

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