Vuc Mau Lake and 2 hydroelectric plants in Nghe An release floodwaters

Many hydroelectric plants in Nghe An released floodwaters due to heavy rain and rising river water. Photo: Archive

The influence of grooveTropical depressionWeakening from storm No. 9 combined with strengthening cold air and high altitude easterly wind disturbances, from October 29 to October 31, Nghe An will have very heavy rain with total rainfall ranging from 200 - 400mm/period, especially in the South of Nghe An over 500mm/period.

To ensure operationsflood dischargeNam Mo Hydropower Reservoir is safe according to the reservoir operation process approved by the Ministry of Industry and Trade and the inter-reservoir operation process on the Ca River basin. Nghe An Energy Development Corporation has issued Notice No. 52/TB-EDCNA dated October 29, 2020 on the discharge of water from Nam Mo Hydropower Reservoir.

Nam Mo Hydropower Plant announced flood discharge.

The factory discharged flood water at 7:00 p.m. on October 29.Discharge from 140 m³/s to 400m³/s (including discharge through spillway gates, sand discharge gates and power generation flow through generators).

Estimated time to end water discharge through spillway: Until water flow to the lake decreases below 140 m3/s.

On the same day, Nam Mo and Nam Non Hydropower Joint Stock Company issued Notice No. 28/TB-MNNN on water discharge.Ang Hydropower Reservoir. Estimated time of water discharge is at 20:30 on October 29, 2020. Total expected discharge flow is about 200 m³/s to 500 m³/s, including through the generators and through the spillway gates. Estimated time to end water discharge through the spillway: Until the water flow to the lake decreases below 189.6 m³/S.

Ban Ang Hydropower Plant announced flood discharge.

The Standing Office of the Provincial Steering Committee for Natural Disaster Prevention and Search and Rescue informs the People's Committee of Ky Son district, the People's Committee of Tuong Duong district and the Heads of provincial departments, branches and sectors, and the Road Management Department 2 to inform the authorities at all levels, agencies, units, investors who are constructing along the river, on the river, owners of water transport vehicles and all people in the downstream areas of Nam Mo Hydropower Plant and Ban Ang Hydropower Plant to know and deploy necessary work to ensure the safety of people's lives and property and the State.

Mau Lake releases floodwaters. Photo courtesy.

In Hoang Mai town, Hoang Mai Irrigation Enterprise also announced a plan to release floodwaters from Vuc Mau lake. Accordingly, if it continues to rain, Vuc Mau lake will release floodwaters from 1am to 6am on October 30 with a flow rate of 20-100m³/s through 1-2 overflow gates.