UHV Projects in China: Mengdian to Su and Hexi-Zhejiang 750kV Transmission Lines Begin Preliminary Work

Published: Mar 8, 2026 20:51

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This week, the ± 800 kV UHV project of Mengdian to Su (Sui Ning section) began its preliminary work. At the same time, the environmental impact assessment pre-publicity of Hexi-Zhejiang ± 800 kV UHV DC auxiliary thermal power 750 kV transmission project was announced. The project includes the expansion of the 750 kV substation in Weibao North, the 750kV transmission from Jinchang Power Plant in Gansu Province, and the 750 KV transmission from Hongshagang (Weibao) Power Plant in Gansuo Province. The total length of the newly built transmission lines is about 149.6 km, and the construction period is from June 2026 to April 2027.

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