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The dam is a 289-meter-tall double-curvature arch dam with a crest elevation of 827 m, and a width of 72 m at the base and 13 m at the crest. [4] It is considered to be the last large hydropower project in China after a series of projects starting with the Three Gorges Dam. [5] It is also the second largest hydropower plant in the world.
Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [1] Hydropower is a method of sustainable energy ...
The Song Loulou Power Station is a hydroelectric power plant of the Sanaga River in Cameroon. It has a power generating capacity of 384 megawatts (515,000 hp), enough to power over 257,100 homes. The Song Loulou power station is built upstream of another power station; the Edea power station.
Hydropower is a flexible source of electricity since stations can be ramped up and down very quickly to adapt to changing energy demands. [31] Hydro turbines have a start-up time of the order of a few minutes. [37] Although battery power is quicker its capacity is tiny compared to hydro. [2]
A dam may create a reservoir hundreds of kilometres long, but in run-of-the-river the head is usually delivered by a canal, pipe or tunnel constructed upstream of the power house. The cost of upstream construction makes a steep drop desirable, such as falls or rapids.
On May 9, 1964, operators began to control the plant as the central control post was put into service. On September 30, 1964, the last cubic meter of concrete was poured into the dam wall. Construction of a railway track over the dam began on March 3, 1965, and it started to operate on June 16. A vehicular road opened on July 28.
By 2016 the dam accounted for 6% of Vietnam's total electricity output. Each year approximately 10 billion kWh of electricity is generated by the dam, providing around half of the government revenue of Hòa Bình Province. [8] Since the dam went operational, as of 2021 it had produced a cumulative 230 billion kWh of electricity. [2]
The spillway of the Robert-Bourassa Dam (formerly La Grande-2) The James Bay Project (French: projet de la Baie-James) refers to the construction of a series of hydroelectric power stations on the La Grande River in northwestern Quebec, Canada by state-owned utility Hydro-Québec, and the diversion of neighbouring rivers into the La Grande watershed.