State-owned power grid operator
Appears in 3 stories · Last updated Oct 25, 2026
Built and operates the Chinese section of the line; runs the regional power market it feeds
A 500-kilovolt power line between China and Laos has carried more than 1 billion kilowatt-hours since it switched on in April. China's first cross-border alternating-current link at that voltage passed the mark on October 8, and it raised two-way exchange capacity between Yunnan and northern Laos from 50 megawatts to 1.5 gigawatts.
Updated Oct 25
Primary construction management entity for the Tibet-Guangdong line
Workers in Nanning poured the first tower foundation for the Guangxi section of the Tibet-Guangdong ultra-high-voltage direct current (UHVDC) line on October 16. The milestone puts the line's 678 km middle section into active construction, bringing all four provincial segments of the 2,681 km corridor under way.
Updated Oct 18
As of May 2026: China's second-largest grid operator, expanding storage and transmission
China installed more wind and solar capacity in 2024 than the United States has ever built—360 gigawatts in a single year. The problem: much of that clean power sits stranded in remote western deserts, thousands of kilometers from the factories and cities that need it. State Grid Corporation of China just announced $574 billion to fix that.
Updated May 21
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