Mr. Khuong The Anh, Director of Son La Hydropower Plant, said that on June 13, although there was rain in some places in the North, the water level upstream of Son La Lake was 176.76m (1.66m higher than the dead water level). On June 14, the average water flow into the hydropower reservoir reached 278 m3/s.
“ However, because the water level is still close to the dead water level of 176/175m, the Son La hydropower plant has stopped generating electricity. We hope that it will continue to rain in the next few days to increase the water flow to the lake ,” said Mr. The Anh.
The downstream area of Son La hydropower plant has dried up. (Photo: Minh Nguyen).
According to Mr. Khuong The Anh, the current hot weather with low lake water levels has led to many difficulties, including the pressure of not being able to supply much electricity to the national power system to serve the needs of the people.
The lake water is low, leading to power generation in the lower region of the turbine characteristic (with lower water head than normal), causing more water volume to be consumed to generate the same 1kWh of electricity, wasting more water, but still having to be generated to support the system to the maximum (within the turbine's capacity).
"Faced with that situation, the company's leaders have strongly directed the practice of saving electricity," said Mr. Khuong The Anh.
Workers at Son La Hydropower Plant do not use air conditioning when the outside temperature is below 35 degrees Celsius.
Son La Hydropower Plant is a hydropower plant located on the Da River in It Ong Commune, Muong La District, Son La Province. The plant has an installed capacity of 2,400 MW, with 6 turbines, and started construction in 2005. After 7 years of construction, Son La Hydropower Plant was inaugurated in December 2012, becoming the largest hydropower plant in Vietnam and Southeast Asia at that time.
Public areas have their lighting reduced to a minimum and the lighting system is automatically turned on and off.
Electrical appliances such as water heaters, water heaters... have all been turned off. Currently, the company has replaced them with available purified water bottles to save electricity.
The offices take full advantage of natural light.
In the machine room area, make the most of natural light during the day. At night, only turn on the lights at the appropriate light level.
PHAM DUY (Photo: EVN)
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