en.Wedoany.com Reported - Following the commencement of the Three Gorges Waterway New Channel Project in Yichang, Hubei Province, the relocation of the Three Gorges power transmission channels started simultaneously on the 8th. State Grid Hubei Electric Power Co., Ltd. will relocate 48 transmission lines to ensure the coordinated progress of this major national landmark project and energy supply security.
The Three Gorges Power Station is a key power supply source for the Central, East, and South China regions. From June to September each year, its power transmission channels can deliver up to 316 million kilowatt-hours of clean electricity daily, meeting the daily electricity needs of approximately 24 million households.
A relevant official from State Grid Hubei Electric Power Co., Ltd. stated that the Three Gorges Waterway New Channel Project will pass beneath multiple high-voltage transmission lines. To meet construction specifications and subsequent navigation requirements for vessels, it is necessary to relocate 8 500-kilovolt main lines and 40 lines of 220 kilovolts and below.
Based on the hydrological rhythm of the Yangtze River and electricity consumption patterns, the relocation plan adopts a construction strategy of "scheduling during dry seasons, avoiding peak periods, phased relocation, and loop network power supply." High-voltage line outages will be concentrated from October to April each year, while low-voltage distribution network dismantling and reconnection will be carried out during monthly low-demand periods and early morning load gaps. It is expected that by the end of December this year, the relocation of 20 key preliminary lines will be completed.
The official added that during the relocation period, the power department will rely on the mature loop network structure in the Three Gorges area, employing measures such as load transfer and temporary bypass installation to ensure that the daily average power delivery of the Three Gorges power transmission channels remains stable at over 300 million kilowatt-hours during critical periods such as summer peak demand and cold wave supply assurance.
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