China's hydropower scale is the first in the world, there is the world's largest Three Gorges Hydropower Station, the second largest Baihetan Hydropower Station, in 2020 the total hydropower generation scale accounted for 17.4% of China's total power generation, about 1355.21 billion kWh (kWh).
On January 4, 2022, according to the news from the CCTV network, the Three Gorges Group announced the annual power generation capacity of the Wudongde Hydropower Station last year (2021), reaching 38.91 billion kWh. This is welcome news. This reminds people of last year (2021) June 28, the first batch of generating units of baihetan hydropower station began to generate electricity, which caused great concern to the chinese people, but on June 16, 12 days before this date, the news that all the hydropower units of China's Wudongde hydropower station were connected to the grid did not attract much attention, and even many friends still do not know this news, which is really a bit thick and thin!
Wudongde Hydropower Station is located in Kunming City, Yunnan Province, China, Luxun County and Sichuan Province, Liangshan Prefecture Huidong County junction of the Jinsha River, is a world-class giant hydropower station, in December 24, 2015 fully started construction, has been basically completed, hydropower station reservoir capacity of 7.6 billion cubic meters, dam elevation of 988 meters (altitude), the maximum dam height of 270 meters (dam bottom to the top of the dam), bottom thickness of 51 meters, is the world's thinnest 300 meters of ultra-high arch dam, the whole dam is poured with low-heat cement, A total of 12 hydro-generator sets with a single capacity of 850,000 kilowatts have been installed in the power station, with a total installed capacity of 10.2 million kilowatts, and the average annual power generation capacity is estimated to reach 38.91 billion kWh, which is equivalent to 11.86 million tons of standard coal burned by coal-fired power plants.
Wudongde Hydropower Station is China's "west-to-east power transmission" of the national major project, the development task to power generation, taking into account flood control, shipping, etc., its power generation scale is not as good as the Baihetan Hydropower Station, but it is also quite large, the total installed capacity of 10.2 million kilowatts, although it can not be compared with the Three Gorges (installed capacity of 22.5 million kilowatts) and Baihetan (installed capacity of 16 million kilowatts), but at this stage in China can still be ranked fourth, the world can be ranked sixth, second only to the Three Gorges, White Crane Beach, Itaipu (Brazil and Paraguay share). There are five hydropower stations with a total installed capacity of 14 million kilowatts, Xiluodu (with a total installed capacity of 13.86 million kilowatts), and Guri (Venezuela, with a total installed capacity of 10.3 million kilowatts, but 10.06 million kilowatts).
The world's sixth largest hydropower station is connected to the grid to generate electricity, this news is also a big news in the world, but it is unknown in our country, but also because our attention in the hydropower station is basically concentrated on the Three Gorges and The White Crane Beach, and there is less attention to other hydropower stations, in fact, even the xiluodu hydropower station, the fourth in the world, has received less attention.
A year of power generation of 38.91 billion kWh, this power generation achievement is very proud, although there is still a big gap from the value of 111.8 billion kWh of electricity set by the Three Gorges Hydropower Station in 2020, but the installed capacity of the Three Gorges Hydropower Station is more than twice that of Wudongde, and the Wudongde Hydropower Station is only from June 16 last year to start the whole group of grid-connected power generation, both in terms of time and installed capacity is much worse than the Three Gorges, so it is quite good to achieve such results. Wang Jintao, director of the Wudongde Power Plant of the Three Gorges Group, also said: The Wudongde Hydropower Station reached the average power generation capacity of the designed multi-year project when it was put into operation, which is an encouraging achievement.
As of December 30, 2021, the Wudongde hydropower station generated more than 52.3 billion kWh of electricity. Last summer, the upper reaches of the Yangtze River Basin generally had more precipitation, and after all the units were connected to the grid to generate electricity, there was a period of time when 12 units operated at full capacity for 750 hours during the flood season, that is, all the units were saturated for a month, and the power generation was as high as 7.3 billion kWh.
Resources:
"CCTV" January 4, 2022 article ""West-to-East Power Transmission" National Major Project Wudongde Hydropower Station Annual Power Generation Exceeded 38.91 Billion KWh"
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