According to updates from Vietnam Electricity Group, as of 9:00 am on January 31, 2026, Hoa Binh reservoir recorded upstream water level at an elevation of 112.96m; water inflow to the reservoir reached 314m3/s; total discharge through the plant is 1,958m3/s.
At Tuyen Quang reservoir, by 9:00 AM on January 31, the upstream water level reached 114.89m; water inflow to the reservoir reached 142m3/s; total discharge volume 611.64m3/s.
Implementing the Inter-reservoir Operation Procedure on the Red River basin, Tuyen Quang Hydropower Plant has closed the bottom discharge gate of Tuyen Quang Hydropower Plant, currently only maintaining power generation through generating units.
As of 10:00 AM on January 31, Son La reservoir recorded upstream water level reaching 214.13m; water flow to the reservoir 469m3/s; total discharge volume reached 219m3/s. Currently, the unit has closed all bottom discharge gates, only maintaining power generation through generating units to regulate downstream flow.
A similar situation occurred at Lai Chau Lake, where the upstream water level reached 294.81m; water inflow to the lake reached 538m3/s; total discharge volume 536m3/s. Currently, Lai Chau Hydropower Plant has also closed all surface discharge gates, only operating power generation through generating units.
At Thac Ba Lake, as of 10:00 AM on January 31, the upstream water level reached 55.9m; the water inflow to the lake was only 75m3/s; total discharge volume was 441.34m3/s; no overflow discharge.
According to the National Center for Hydro-Meteorological Forecasting, today, January 31, due to the impact of cold air, the Northern region will have rain and scattered light rain at night and in the morning. From today, the weather will turn cold.
Southern region no rain at night, sunny during the day.
