In which province is the largest water conservancy project in China?

At present, the largest water conservancy project in China is the Three Gorges Project, which is located in Hubei Province.

The Three Gorges Project is the Three Gorges Hydropower Station. The Three Gorges Hydropower Station is also known as the Three Gorges Project and the Three Gorges Dam. Located in Sandouping Town, Yichang City, Hubei Province, overlooking the Three Gorges Hydropower Station, it forms a cascade hydropower station with the downstream Gezhouba Hydropower Station. The Three Gorges Hydropower Station is the largest hydropower station in the world and the largest construction project in China. However, many problems caused by it, such as immigration, environment and so on, have been accompanied by great controversy since the moment it started construction. The Three Gorges Hydropower Station has more than ten functions such as shipping, power generation and planting. The Three Gorges Hydropower Station was approved by the National People's Congress of China in 1992 and officially started construction in 1994. On the afternoon of June 1 2003, water storage and power generation began, and it was fully completed in 2009.

Scale of Three Gorges Project:

The Three Gorges Dam is a concrete gravity dam with a length of 2,335 meters, a bottom width of 1 15 meters, a top width of 40 meters, an elevation of 185 meters and a normal water level of 175 meters. The dam body can resist the once-in-a-million-year flood, and the maximum flow can reach 65438+ million cubic meters per second. The earthwork excavation and filling volume of the whole project is about 6.5438+34 million cubic meters, the concrete pouring volume is about 28 million cubic meters, and the steel consumption is 593,000 tons. The total length of the reservoir is more than 600 kilometers, the average width of the water surface is 1. 1 km, the total area is 1.084 km2, and the total storage capacity is 39.3 billion cubic meters, of which the flood control storage capacity is 2.21.50 billion cubic meters, and the regulation capacity is seasonal.

The Three Gorges Hydropower Station is arranged behind the dam, and 32 700,000 kW hydro-generator sets are installed, including 4 on the left bank 14, 2 on the right bank 12 and 6 underground. In addition, there are two 50,000-kilowatt power supply units with a total installed capacity of 22.5 million kilowatts, far exceeding the Itaipu Hydropower Station in Brazil, which ranks second in the world.

The static total investment of the Three Gorges Project is estimated to be about 90 billion yuan (65,438+1price at the end of May 1993), including 50 billion yuan for the project investment and 40 billion yuan for resettlement. It is predicted that the dynamic total investment may reach 203.9 billion yuan, and the actual total investment is estimated to be about 654.38+080 billion yuan. The construction funds mainly come from the Three Gorges Project Construction Fund, that is, the electricity surcharge.

According to 20 1 1 Report on Resettlement in the Three Gorges (Chongqing) Reservoir Area, the planned total investment required for the follow-up work of the Three Gorges is1238.9 billion yuan. According to public data, by the end of 2009, the Three Gorges Project had completed a total investment of 654.38+084.9 billion yuan. [3]

The preliminary planning of the Three Gorges Power Station is 26 units with 700,000 kilowatts, that is, the installed capacity is 65.438+08.2 million kilowatts, and the annual power generation is 84.7 billion kWh. Later, an underground power station was built at Baishijian Mountain, the right bank dam, and six 700,000-kilowatt hydro-generators were built. Together with the two 50,000-kilowatt power stations owned by the Three Gorges Power Station, the total installed capacity has reached 22.5 million kilowatts.

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