[The first set of fully electrified tunnel construction machinery] On June 22, the first set of fully electrified tunnel construction machinery and equipment in China was officially put into use, realizing a zero breakthrough in tunnel construction and operation of China's electric construction machinery and equipment. State Grid said that in the next step, it will promote the application of pure electric engineering equipment in more tunnel projects, explore reproducible operation modes of electric engineering machinery, and promote infrastructure construction to accelerate the realization of zero emissions and zero pollution. Editor/Xu Shengpeng

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• 2026.10.12 14:58
• [CRSG Breaks Through Gaosheng No.2 Tunnel of Xi’an-Chongqing HSR]
• On October 11, 2026, the Gaosheng No.2 Tunnel of the West Chongqing High speed Railway, constructed by CRSG, was successfully completed in Kaizhou District, Chongqing. The tunnel has a total length of 7234 meters and is classified as a Class I high-risk tunnel, overcoming multiple geological challenges. The project has laid the foundation for the timely opening of the West Chongqing high-speed railway, improved the high-speed railway network in the central and western regions, and driven regional coordinated development. Editor/Min Jing

• 2026.10.12 14:56
• [Yanwei 1000kV UHV Project Goes into Operation]
• On October 10, 2026, the Yanwei 1000 kV High Voltage Project was completed and put into operation, which is also the first ultra-high voltage AC transmission and transformation project put into operation during China's 15th Five Year Plan period. The total length of the project line is 1197 kilometers. After it is put into operation, nuclear power from Haiyang, Laiyang and other places in Yantai, Shandong will be sent out through this channel, greatly improving the green power supply capacity in Shandong Province. Editor/Min Jing