According to updates from Vietnam Electricity Group, as of 10:00 AM on December 28, 2025, Hoa Binh reservoir recorded upstream water level at an altitude of 116.62m; water flow to the reservoir reached 342m3/s; total discharge through the plant is 335m3/s.
At Tuyen Quang reservoir, by 9 am on December 28, the upstream water level reached 119.92m; water flow to the reservoir reached 150m3/s; total discharge volume was 184.09m3/s.
Implementing the inter-reservoir operation process on the Red River basin, Tuyen Quang Hydropower Plant has closed 1 bottom discharge gate of Tuyen Quang hydropower reservoir, currently only maintaining power generation through units.
As of 10:00 AM on December 28, Son La Lake recorded upstream water level reaching 214.78m; water flow to the lake 784m3/s; total discharge through the plant is 228m3/s. Currently, the unit has closed all bottom discharge gates, only maintaining power generation through units to regulate downstream flow.
A similar situation occurred at Lai Chau reservoir, where the upstream water level reached 294.51m; the water flow to the reservoir reached 519m3/s; no spillway discharge. Currently, Lai Chau Hydropower Plant has also closed all surface discharge gates, only operating power generation through units.
At Thac Ba reservoir, as of 10 am on December 28, the upstream water level reached 57.87m; the water flow to the reservoir reached 120m3/s; the total discharge through the plant was 0.
According to the latest weather news from the National Center for Hydro-Meteorological Forecasting, today, December 28, cold air continues to dominate, causing the North and North Central regions to maintain a cold state.
In the Northern region, it will be cloudy, with light rain in some places. Early morning fog and light fog will appear scattered, clouds will decrease in the afternoon, sunny weather. The lowest temperature is commonly 13-17 degrees Celsius, mountainous areas in some places below 11 degrees Celsius. Cold weather, deep cold in mountainous areas, severe cold in some places; high mountainous areas need to be wary of frost and frost.
