As of 8:00 a.m. on November 15, 2025, according to an update from Vietnam Electricity Group, Hoa Binh Lake recorded upstream water levels at elevation of 116.47m; water flow to the lake reached 658m3/s; total discharge was 651m3/s.
Implementing the inter-reservoir operation process in the Red River basin, Hoa Binh Hydropower Plant closed 1 bottom spillway gate at 9:00 a.m. on November 12, 2025. After closing the bottom spillway, the water level in the downstream area of the hydropower dam decreased rapidly.
At Tuyen Quang Lake, by 7:00 a.m. on November 15, the upstream water level reached 119.42 m; the water flow to the lake reached 377 m3/s; the total discharge was 373.55 m3/s.
Implementing the inter-reservoir operation process on the Red River basin, Tuyen Quang Hydropower Plant has closed 1 bottom spillway gate of Tuyen Quang Hydropower Plant, currently only maintaining power generation through generators.
As of 8:00 a.m. on November 15, Son La Lake recorded upstream water levels at 215.66 m; water flow to the lake was 1,366 m3/s; total discharge was 965 m3/s. Currently, the unit has closed all bottom spillways, only maintaining power generation through generators to regulate the flow downstream.
Similar situation occurred in Lai Chau Lake, as of 8:00 a.m. on November 15, the upstream water level reached 294.42 m; the water flow to the lake reached 786 m3/s; the total discharge was 1,093 m3/s. Currently, Lai Chau Hydropower Plant has closed all bottom spillways, only maintaining power generation through generators.
As of 8:00 a.m. on November 15, Thac Ba Lake recorded upstream water levels at 57.97 m; water flow to the lake reached 220 m3/s; total discharge of 322.52 m3/s. Currently, Thac Ba Hydropower Plant only maintains 1 spillway.
Up to this point, most large hydroelectric reservoirs in the North have simultaneously closed to release water, showing that the water source situation has stabilized, creating conditions to ensure safety downstream and maintain stable power production.
According to the National Center for Hydro-Meteorological Forecasting, today, November 15, the strong cold air mass has been reported to be moving south, causing the temperature in the North and North Central regions to continue to decrease.
The Northern region will have cloudy skies, some rain at night, and sunny days. The lowest temperature is from 14-17 degrees Celsius, some places below 13 degrees Celsius.
The area from Thanh Hoa to Hue and the Central Highlands will have clouds, rain in some places at night; during the day there will be rain, scattered showers and thunderstorms, locally heavy rain. North to northwest wind level 2-3. Cold at night and morning. The lowest temperature is from 15-20 degrees Celsius, some places below 15 degrees Celsius.
Other areas will have cloudy weather, showers and thunderstorms in some places in the evening and at night, and sunny days.
