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National Electricity System and Market Operation Company Limited - NSMO (Ministry of Industry and Trade) recommends that agencies, businesses and people join hands to use electricity economically and effectively; Limit the simultaneous use of many high-capacity electrical appliances during evening peak hours (5:30 p.m. - 10:30 p.m.). Download The Northern Delta region, including Hanoi and the North Central and Central provinces, is about to enter a very severe heat wave. According to NSMO, weather forecast models show that the Northern Delta region, including Hanoi and the North Central and Central provinces, is about to enter a very severe heat wave. Temperatures in the Hanoi area and the Northern Delta may reach 39degC or more around June 23-25. Meanwhile, the temperature in the area from Thanh Hoa to Quang Tri may rise to 39-40degC in the period June 23-26. Widespread and prolonged heat causes electricity demand to increase dramatically, especially during peak hours at noon and evening. In fact, during the record heat wave at the end of May, on May 27, the maximum capacity of the national power system reached 58,103 MW (an increase of 15.4% over the same period in 2025); The Northern power system alone reaches 29,966 MW (up 27.5% over the same period in 2025). It is forecast that heat waves at the end of June may have the same intensity and be more severe than the period May 23-27, 2026, placing very high requirements in ensuring electricity supply, especially for the Northern power system. To proactively respond, NSMO said it will regularly update hydrological developments to develop reasonable mobilization methods; Managing and exploiting water sources effectively, maintaining reservoir water levels at a suitable level, ensuring the ability to generate maximum capacity of generating units during evening peak hours. Along with that, continuously review the availability status of each generating unit, urge units to troubleshoot problems, and take advantage of short-term repairs during the period between heat waves; Closely monitor cooling water temperature to maximize generation capacity during peak hours of the system. Coordinate closely with PV GAS, EVN and related units to ensure fuel sources; Flexibly switch between domestic gas, LNG and oil to maximize generation when load increases, while optimizing system-wide costs. For the power grid, NSMO will coordinate with power transmission units, power corporations and operation management units to review operating methods, promptly handle equipment defects, arrange on-duty forces and backup materials, ensuring the highest level of availability of the transmission and distribution system. Coordinate with EVN, power corporations and local Departments of Industry and Trade under the direction of the Ministry of Industry and Trade to deploy solutions to manage electricity demand, save electricity, and reasonably regulate electricity demand during evening peak hours (from 5:30 p.m. to 10:30 p.m.). NSMO recommends that agencies, businesses and people join hands to use electricity economically and effectively; Limit the simultaneous use of many high-capacity electrical equipment during evening peak hours (5:30 p.m. - 10:30 p.m.), contributing to the electricity industry to ensure safe and continuous electricity supply. Anh Tho See moreSaving electricity: Need to move from awareness to regular action See moreSaving electricity from adjusting electricity usage habits See moreEVNSPC: Strengthening practice of saving electricity at work See moreSave electricity: Ministry of Industry and Trade proposes to adjust electricity usage hours See moreNorthern electricity load capacity sets a new record: Recommend people to save electricity Download
