[Bidding Opening for Ningbo Xiwu-Ma'aoling Expressway Expansion Project]On March 22, 2023, the Zhejiang Provincial Department of Transportation released the announcement of the bid evaluation results for investors in the reconstruction and expansion project of the G15 Shenhai Expressway Ningbo Xiwu to Ma'aoling section. The G15 Shenhai Expressway Ningbo Jiangshan to Ma'aoling section is a national The G15 Shenhai Expressway, one of the 11 north-south longitudinal lines of the expressway network, is a component of the nine-vertical, nine-horizontal, five-ring, and five-channel multi-connection of the expressway network in Zhejiang Province. It is also a part of the Yongtaiwen Expressway. component. The G15 Shenhai Expressway Ningbo Jiangshan-Ma'aoling Section Reconstruction and Expansion Project is divided into two projects: the G15 Shenhai Expressway Ningbo Jiangshan-Xiwu Section Reconstruction and Expansion Project, and the G15 Shenhai Expressway Ningbo Xiwu-Maaoling Section Reconstruction and Expansion Project. The total length of the main line of this project is 69.069km, of which the width along the old road is 53.615km, the new line is 15.454km, and the length of the Meilin branch line is 2.99km. A total of 6 intercommunications and 2 service areas are set up in this project. Among them, 3 existing intercommunications need to be reconstructed in situ, 1 relocated intercommunication, 2 newly built intercommunications, 1 expanded service area, and 1 relocated service area. The main line is equipped with 20598m/114 bridges, including 10726m/5 super-large bridges, 7589m/18 large bridges, 2283m/91 medium and small bridges; 5400.5m/5 tunnels, including 4530.5m/3 long tunnels and 870m medium and short tunnels /2 blocks; the length of bridges and tunnels accounts for 37.65% of the total length of the route. The project investment is estimated to be about 19.698 billion yuan, of which construction and installation costs are about 12.006 billion yuan. Editor / Zhao E
On March 25, 2026, the first ultra-high voltage project of Henan Power Grid during the 15th Five Year Plan period, the main transformer expansion project of the 1000 kV Yunan Te High Voltage Substation, officially began construction. After the completion of the project, the power supply capacity can be increased by 50%, which will further enhance the safe operation of the power grid and the guarantee of power supply, and help promote the green and low-carbon transformation of energy.Editor/Gong Ziwei
On the morning of March 26, 2026, the "Wanmei Electric Power" shield machine of the 500 kV Wuhu GIL pipe gallery project was excavated in Nicha Town, Wuwei City, and the project officially started. This project provides support for the Yangtze River transmission channel of the Gansu Zhejiang ± 800 kV high-voltage project, relocating the original 500 kV line to the ground and reserving two 500 kV cross river channels. The project is the first 500 kV transmission pipeline crossing the Yangtze River in China, with a shield section length of 3554.4 meters and a tunnel outer diameter of 11.6 meters. It is equipped with customized large-diameter shield machines.Editor/Gong Ziwei