A provincial capital in south-west China has dimmed outdoor advertisements, subway lighting and building signs to save energy as the area struggles with a power crunch triggered by record-high temperatures.
Temperatures rose past 40C (104F) in Sichuan province this week, fuelling massive demand for air conditioning and drying up reservoirs in a region reliant on dams for most of its electricity.
Factories including a joint venture with the Japanese car maker Toyota in the provincial capital, Chengdu, have been forced to halt work, while millions in another city, Dazho, grappled with rolling power cuts.
“Hot and muggy weather has caused the city’s electricity supply for production and daily life to be pushed to its limit,” Chengdu’s urban management authorities said in a notice on social media on Thursday.
Faced with a “most severe situation”, the city, which is home to more than 20 million people, had ordered landscape illumination and outdoor advertising lights to be switched off in notices issued Tuesday, the statement said. Building name signs will also be darkened.
Chengdu metro said in a video on China’s Weibo social media platform that it would also turn off advertisement lights and “optimise” the temperature in stations to save energy.
Photos circulating on Weibo showed dimmed lights on metro platforms, walkways and in malls, with commuters walking in partial darkness.
China has suffered a series of heatwaves and record-breaking temperatures this summer. By Friday, the national meteorological administration had issued red-level heat warnings for eight consecutive days, bringing the total to 30 days since June. The heat is expected to continue in some areas for the next 10 days.
On Thursday, the south-western city of
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