Sichuan-Chongqing UHV AC Project Approved, Boosting Power Grid with 15.46 Billion Yuan Investment

Published: May 9, 2026 18:41

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Recently, the Sichuan and Chongqing UHV AC reinforcement project was approved by the National Development and Reform Commission (NDRC). With a total investment of 15.46 billion yuan, the project involves the construction of two new 1,000kV substations in northern Sichuan and eastern Chongqing, adding 12 million kVA of transformer capacity, and building new 1,000kV double-circuit lines of 2×490 km including the Chuanbei–Yudong–Bayue section. It is reported that this project is an important component of the Sichuan and Chongqing UHV AC backbone grid framework, capable of supporting the integration and electricity consumption of the receiving-end converter stations for the Xinjiang-to-Sichuan-and-Chongqing DC transmission.

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