Water levels of hydroelectric reservoirs in the North on November 11

Yên San |

Hydropower reservoirs in the North are flexibly operated according to flood developments, ensuring safety for downstream areas.

As of 7:00 a.m. on November 11, 2025, according to an update from Vietnam Electricity Group, Hoa Binh Lake recorded upstream water levels at elevation of 116.59 m; water flow to the lake reached 3,679 m3/s; total discharge was 3,672 m3/s.

Implementing the inter-reservoir operation process in the Red River basin, Hoa Binh Hydropower Plant opened a bottom spillway gate at 6:00 p.m. on November 9, 2025 to regulate the lake water level and ensure the safety of the project.

At Tuyen Quang Lake, by 7:00 a.m. on November 11, the upstream water level reached 118.97 m; the water flow to the lake reached 325 m3/s; the total discharge was 114.04 m3/s. Currently, Tuyen Quang Hydropower Plant has closed all bottom spillways, only maintaining power generation through generators to regulate the flow downstream.

As of 7:00 a.m. on November 11, Son La Lake recorded upstream water levels at 215.45 m; water flow to the lake was 2,345 m3/s; total discharge was 3,734 m3/s. Implementing the inter-reservoir operation process in the Red River basin, Son La Hydropower Plant opened a bottom spillway gate of Son La Hydropower Plant at 4:00 p.m. on November 9, 2025 to regulate the lake water level.

At Lai Chau Lake, as of 7:00 a.m. on November 11, the upstream water level reached 295 m; the water flow to the lake reached 1,813 m3/s; the total discharge was 1,813 m3/s. Currently, Lai Chau Hydropower Plant is opening a facial opening.

A similar situation occurred at Thac Ba Lake, where the upstream water level reached 58.12m; the water flow to the lake reached 320m3/s; the total discharge was 372.44m3/s. Currently, Thac Ba Hydropower Plant is maintaining 2 floodgates.

In the context of complicated heavy rain, the flexible operation of hydroelectric reservoirs, ensuring safety downstream is considered a key factor in natural disaster prevention in the North.

According to the National Center for Hydro-Meteorological Forecasting, today, November 11, storm No. 14 Fung-wong is still active in the East Sea.

It is forecasted that by 7:00 p.m. today, the center of the storm will be at about 20.8 degrees North latitude - 118.4 degrees East longitude, in the eastern sea of the North East Sea. The storm is moving north-northeast at a speed of 10-15 km/h, towards mainland Taiwan (China). The storm is expected to make landfall on the evening of November 12.

Due to the influence of storm No. 14, the eastern sea area of the North East Sea will have strong winds of level 82; the area near the storm's eye will have strong winds of level 11-13, gusts of level 16, waves 5.08,0m high, the area near the storm's eye will have 8.0-10.0m. The sea is rough.

All ships operating in the above dangerous areas are likely to be affected by thunderstorms, whirlwinds, strong winds, and large waves.

On the mainland of Vietnam, the Northern region will have cloudy skies, with scattered showers and thunderstorms at night and in the morning. Other areas will have cloudy weather, showers and thunderstorms in some places in the evening and at night, and sunny days.

Yên San
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