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The electricity demand on the state-owned power grid operator serving five southern provinces of China reached record highs daily from May 25 through yesterday, driven by a heatwave and increased consumption from industrial and service sectors.
Power consumption across Guangdong, Yunnan, Guizhou, Hainan, and the Guangxi Zhuang Autonomous Region peaked at 275 gigawatts over the past four days, according to the company’s social media account.
The early onset of high temperatures this year in southern China, combined with full-capacity industrial activity, has pushed electricity loads beyond previous peak levels. This was reported by CCTV, citing Li Zhiyong, who manages operations and planning for the grid.
Since the start of the year, these five regions have surpassed their previous record daily usages 20 times. Typically, from 2020 to 2025, annual peak loads occurred mainly in June and July, but this trend has shifted, the company noted.
April’s average temperature was 1.6 degrees Celsius higher than the same period in recent years, marking it as the second warmest April on record, according to the China Meteorological Administration.
In Guangdong, the highest electricity demand generally occurs around 7 p.m., said Guo Xing, deputy general manager of Guangdong New Giant Energy Technology, which specializes in energy storage. The common adoption of new energy vehicles causes this peak, as electricity prices drop after 7 p.m., encouraging many vehicle owners to charge their cars during this window.
The power grid operator has fast-tracked the deployment of 3.9 gigawatts of traditional power, 14 gigawatts of renewable energy, and 1.7 gigawatts of new energy storage capacity.
During peak demand periods, new energy storage systems contributed up to 6.7 gigawatts of power, while renewable energy generation increased by over 20 percent year-over-year, helping ensure a stable and well-organized regional power supply.
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