Northern hydropower plants still store water in reserve to supply electricity on hot days.

According to the Ministry of Industry and Trade, in recent days, due to heavy rains in the northern region, the water flow to hydroelectric reservoirs has improved. Updated to June 23, the current water levels of Son La, Lai Chau, Tuyen Quang, and Ban Chat reservoirs have all accumulated 5-9 meters higher than the dead water level.

Thủy điện miền Bắc vẫn tích nước dự phòng để cấp điện những ngày nắng nóng - Ảnh 1. — Son La Hydroelectric Reservoir is storing water to generate electricity during the upcoming hot days.

Of these, Lai Chau Hydropower Plant alone has a small reservoir, so the water level is 19.7 m higher than the dead water level. However, these hydropower reservoirs are still being limited in mobilization to prepare for the next heat wave.

Also according to the Ministry of Industry and Trade, currently, the North is in the early flood period. It is expected that in the coming time, the water flow to hydroelectric reservoirs 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 North 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.

Updating information as of this morning, June 24, the National Power System Control Center said that on June 23, the load of the entire power system reached 828.8 million kWh. Of which, the North is estimated at about 384.2 million kWh, the Central region is about 80.9 million kWh, and the South is about 363.1 million kWh.

The peak power capacity of the power system (Pmax) at 3:00 p.m. reached 39,757 MW. Specifically, the peak capacity in the North reached 17,468 MW, the Central region reached 4,152 MW, and the South reached 18,319 MW.

On June 23, the total output mobilized from hydropower was about 180.6 million kWh (62 million kWh in the North); coal-fired thermal power mobilized 443.7 million kWh (275.1 million kWh in the North); gas turbines mobilized 91.2 million kWh; wind power was 16 million kWh; solar power mobilized 51.9 million kWh.

According to the National Power System Control Center, as of June 23, no coal-fired thermal power plants had any more units shut down due to short-term incidents. The coal fuel supply for power plants has been guaranteed. In addition, hydropower sources have improved as the water level in some lakes continued to increase slightly. This will contribute positively to electricity production in the coming time.

According to the National Center for Hydro-Meteorological Forecasting, the upstream of the Da River and the Red River is forecast to have showers and thunderstorms from June 22 to 24, with rainfall ranging from 70 to 150 mm, with some places reaching over 200 mm. Accordingly, this rain will add a significant amount of water to the hydroelectric dams on the Da River.

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