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Peak carbon dioxide emissions and carbon neutrality
The Baihetan–Zhejiang ±800 kV UHVDC Transmission Line Project (Section YU1) has commenced construction.
Release time:
2021-09-14
On September 24, the foundation‑first pilot ceremony for Tower No. SN2003 of Section 1 of the Baihetan–Zhejiang ±800 kV UHVDC transmission line project, undertaken by Heilongjiang Transmission and Transformation Company, was held in Xianlong Town, Yongchuan District, Chongqing. This marked the official commencement of foundation construction for this section of the line.
On September 24, the foundation‑first pilot ceremony for Tower No. SN2003 of Section 1 of the Baihetan–Zhejiang ±800 kV UHVDC Transmission Line Project, undertaken by Heilongjiang Transmission and Transformation Company, was held in Xianlong Town, Yongchuan District, Chongqing, marking the full commencement of foundation construction for this section.
The Baihetan–Zhejiang ±800 kV ultra-high-voltage direct current transmission line project originates at the Butuo Converter Station in Liangshan Prefecture, Sichuan Province, and terminates at the Northern Zhejiang Converter Station in Hangzhou, Zhejiang Province. With a total length of 2,140 kilometers, the line traverses five provinces and municipalities—Sichuan, Chongqing, Hubei, Anhui, and Zhejiang. The project is scheduled for completion within one year, facing tight deadlines and significant construction challenges due to numerous crossing works. Specifically, it spans eight expressways, two electrified railways, one high-speed railway, 18 power lines of 500 kV and below, and one major crossing over the Yangtze River. To ensure timely completion and commissioning, the Transmission and Transformation Company plans to extensively employ mechanized methods such as cableway transport and rotary drilling for excavation, while also formulating practical and effective safety and quality management measures tailored to the project’s specific conditions.
It is reported that the Baihetan–Zhejiang ±800 kV ultra-high-voltage direct-current transmission project is a key component of the national “West-to-East Power Transmission” strategy. It is a major clean-energy initiative aimed at advancing the country’s energy‑structure adjustment and promoting energy conservation and emissions reduction, as well as another innovative project through which State Grid Corporation of China is implementing its action plan for achieving carbon peak and carbon neutrality and putting the new development philosophy into practice.
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