State-owned electric utility
Appears in 4 stories
Joint constructor of 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 4 days ago
Project operator and builder of the Gansu-Zhejiang UHVDC line
Inspectors wrapped up checks on the Fuchun River crossing of China's Gansu-Zhejiang ultra-high voltage (UHV) power line on September 5. The milestone edges the 2,370-kilometer project closer to commissioning, making it the world's first UHV direct current (UHVDC) link to use flexible DC technology at both the sending and receiving ends.
Updated Sep 5
World's largest utility by revenue, implementing record investment program
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
Surpassed 600 billion yuan annual investment amid worsening curtailment crisis
In August 2023, wind turbines in China's far west nearly crashed the entire national grid. Low-frequency oscillations from poorly integrated wind farms in Xinjiang threatened a blackout across the world's most populous country. Twenty-eight months later, the crisis has intensified. In early 2025, curtailment rates nearly doubled—solar waste jumped from 3% to 5.7%, wind from 3.9% to 6.6%. Record installations overwhelmed transmission capacity. Tibet now throws away one-third of its renewable electricity. China's answer: a 750 million volt-ampere AI-controlled smart transformer and over $83 billion in annual grid investment to stabilize a system buckling under its own clean energy success.
Updated May 16
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