The amount of water in the lake increases every day.
Providing information to VTC News, Mr. Tran Viet Hoa - Director of the Electricity Regulatory Authority (Ministry of Industry and Trade) - said that in recent days, the water flow to hydroelectric reservoirs in the Northern region has improved. The current water level of Son La, Lai Chau, Tuyen Quang, and Ban Chat reservoirs has accumulated 9 - 20m higher than the dead water level.
Water levels in the hydroelectric reservoir have improved in recent days. (Illustration photo)
Currently, Lai Chau, Tuyen Quang and Huoi Quang hydroelectric plants have begun to mobilize capacity to the national grid.
As of the morning of July 2, the water level of hydroelectric reservoirs in the Northern and Southeastern regions has increased slightly, while some reservoirs in river basins and small streams have high water levels. Large hydroelectric reservoirs in the Northern, North Central, Southeastern, and Central Highlands regions are raising the water level of their reservoirs and generating electricity according to the operating and mobilizing procedures of the operating agencies.
The inflow of hydroelectric reservoirs increased slightly compared to yesterday. Specifically, Lai Chau reservoir: 870 m3/s; Son La reservoir: 511 m3/s; Hoa Binh reservoir: 169 m3/s; Thac Ba reservoir: 153 m3/s; Tuyen Quang reservoir: 573 m3/s; Ban Chat reservoir: 135.5 m3/s.
Hydrological forecast, 24-hour water flow to lakes in the Northern, Central Highlands, and Southeast regions will increase slightly; North Central and South Central Coast regions will decrease slightly.
According to the assessment of the Electricity Regulatory Authority, the North is in the early flood period. It is expected that in the coming time, the water flow to the lakes in the North will continue to increase and can ensure electricity supply with an average calculated load of about 421-425 million kWh/day.
In the extreme case of no flood, the Northern region can still use the remaining water in the lake combined with the natural water flow to the lakes to meet the load demand, however the ability to store water will be difficult.
The Central and Southern regions are currently ensuring electricity supply and will not have to run on oil in the near future. In some cases of unusually high load or incidents with multiple thermal power sources, DO oil sources can be flexibly mobilized to meet the demand.
Hot weather, electricity load forecast to increase in July
According to the forecast of the National Power System Control Center (A0), from now until July 20, the power system will meet the load demand in the Northern region.
However, in recent days, the Northern region is facing an increasing heat wave, expected to last until July 12, with the peak likely to fall between July 6 and July 8 with the highest temperature reaching 39 to 40 degrees Celsius.
"It is expected that during the hot period from July 2 to July 12, the load in the North can reach an average of about 440 million kWh per day (the highest is about 470 million kWh/day with a peak capacity of 23,000 MW)," A0 commented.
Electricity supply to the North has been basically stable in recent days. (Photo: EVN)
Faced with this forecast, the Ministry of Industry and Trade also resolutely directed A0 to proactively develop and regularly update flexible scenarios to respond to difficulties in electricity supply and ensure power system security.
A0 must closely follow the weather and hydrological conditions of hydroelectric reservoirs and the operation of power sources to flexibly adjust and regulate the water levels of large hydroelectric reservoirs to ensure mobilized capacity and adjust the frequency of the power system.
Vietnam Electricity Group (EVN) also requested power generation units, A0 and power trading companies to synchronously deploy many solutions to ensure power supply for the last months of 2023, and at the same time directed relevant units to focus on overcoming incidents at power plants.
Specifically, EVN requires power generation units to focus on human resources, materials and necessary conditions to fix and soon put into operation the generators and boilers that are having problems at Pha Lai 1 and 2 thermal power plants.
Overcome the phenomenon of power loss below the standard during operation due to problems with auxiliary systems, input fuel quality, and cooling water temperature; increase the frequency of inspection and monitoring of on-site equipment operations to ensure the operational reliability of generators, detect and handle abnormalities early to prevent incidents, especially subjective incidents due to human error.
Units must prepare plans, human resources, materials, and equipment at the factory to promptly handle any incidents that may occur in order to restore operation of the unit as soon as possible.
Carry out maintenance of thermal power plants to ensure safe operation and improve the availability of units during the remaining time of 2023 according to the approved plan.
EVN also requires units to seriously implement and take full responsibility for arranging coal sources for electricity production, ensuring sufficient and stable supply for power plant operations in 2023 and the following years.
For the amount of coal exceeding the amount supplied by Vietnam National Coal and Mineral Industries Group (TKV) and Dong Bac Corporation, investors of thermal power plants are responsible for making arrangements to ensure stable, reliable, safe operation of the plant and meet the mobilization requirements of A0.
"If the above solutions are implemented synchronously, the power supply situation will be guaranteed, meeting the national and northern region's load demand. However, to proactively respond to extreme and unfavorable situations such as prolonged heat waves above 38 degrees Celsius, load exceeding 23,000 MW, unfavorable hydrological developments... it is necessary to continue to resolutely and effectively implement power saving solutions," said an EVN representative.
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