China is a developing country. With the move towards deregulation and opening markets,there have been many changes in the industrial andtechnical sector, especially in the power industry.The changes penetrate into generation, transmission,and distribution systems. With developmentof the Three Gorges project started in the 1990s,many studies and test projects have been carriedout to determine the type of transmission lines, automationdevices, etc. The progress associatedwith the Three Gorges power system, compactlines, and distribution automation may be summarizedas follows.