According to updates from Vietnam Electricity Group, as of 9 am on December 29, 2025, Hoa Binh reservoir recorded upstream water level at an altitude of 116.61m; water flow to the reservoir reached 518m3/s; total discharge through the plant is 511m3/s.
At Tuyen Quang reservoir, by 9 am on December 29, the upstream water level reached 119.89m; water flow to the reservoir reached 90m3/s; total discharge volume was 299.47m3/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 9 am on December 29, Son La Lake recorded upstream water level reaching 214.83m; water flow to the lake 159m3/s; no spillway discharge. 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 294.71m; water flow to the reservoir reached 421m3/s; total discharge volume 624m3/s. Currently, Lai Chau Hydropower Plant has also closed all surface discharge gates, only operating power generation through units.
At Thac Ba reservoir, as of 9 am on December 29, the upstream water level reached 57.88m; water flow to the reservoir reached 111m3/s; total discharge amount 132.23m3/s; no overflow discharge.
According to the latest weather forecast from the National Center for Hydro-Meteorological Forecasting, today, December 29, the Northern region has light rain in some places, early morning fog in some places. It is cold, with severe cold and harmful cold in some places.
The Southern region in the evening and at night has showers and thunderstorms in some places, sunny days.
