Electricity of Vietnam (EVN) has told its hydropower units to prepare El Nino response plans in November, Thanh Niên reports. The aim is "to ensure power supply in every situation". Units must work with local authorities and regulators and coordinate with the national grid operator (NSMO) to use water sensibly and fill reservoirs to their normal water level by the end of the year.
Thermal plants must be available in the final months and ready to run on NSMO's request to help reservoirs fill. They must sign 2027 coal contracts early and increase equipment checks. Power companies must work with large customers on shifting or adjusting load when peak capacity runs short and prepare to call on customers' diesel generators if needed.
In Da Nang, the Dak Mi 3, Dak Mi 4, A Vuong and Song Bung 4 reservoirs are severely short of water, tens of metres below their normal level, according to the report. The agriculture and environment ministry has told A Vuong, Song Bung 4, Dak Mi 4A, Song Tranh 2, Song Bung 2, Song Con 2 (stage 1) and Khe Dien to operate flexibly and give priority to water for household use and downstream production.
The article says a "super El Nino" described as the strongest on record will continue into early 2027. From June to mid-October, flows in many streams in the Vu Gia-Thu Bon basin were 10% to 33% below the long-term average.
The government has told EVN, through Resolutions 168 and 169, to ensure supply in every situation. October output was 31.58 billion kWh, up 14.3%, and ten-month output was 297.4 billion kWh, up 9.8%.
NSMO estimates November output at 28.9 billion kWh, up 14.4%. The report does not say when the dry season starts.
Sources
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