According to Tri An Hydropower Company, at 7:00 a.m. on November 20, the upstream water level of the reservoir was more than 61.775 m; the water flow to the reservoir was 1,300 m3/s; the water flow through the spillway was 640 m3/s; the water flow through the power turbine was 564 m3/s.
Based on the water flow to Tri An Lake, upstream water levels and discharge information of the above-mentioned hydropower plants, Tri An Hydropower Company will increase the amount of water released to regulate the reservoir.
Accordingly, from 1:00 p.m. on November 20, the water flow through the spillway was 800 m3/s; the water flow through the power turbine was from 340 m3/s to 600 m3/s (with a capacity of 180MW to 300MW depending on the mobilization method of the National Regulations), raising the total water flow downstream from 1,140 m3/s to 1,400 m3/s.
Depending on weather developments, water flow to the lake, water level of Tri An Hydropower Reservoir, water level downstream at Bien Hoa hydrological station, the Company can flexibly regulate water flow through the spillway.
Tri An Hydropower Plant has 4 generators, with a total designed capacity of 400MW. This is the largest hydropower project in the Southern region, contributing greatly to the national grid, helping to regulate domestic and production water sources, push salinity and regulate floods in downstream areas.
