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Hydropower Station

  • Jinping-II Hydroelectric Station--Sichuan
Jinping-II Hydroelectric Station--Sichuan

Jinping-II Hydroelectric Station--Sichuan

  • Description: Jinping-II Hydroelectric Project is located on the large Jinping River Bend, and is the second of the five cascade projects on the river section from Kala down to the estuary.
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Jinping-II Hydroelectric Project is located on the large Jinping River Bend, and is the second of the five cascade projects on the river section from Kala down to the estuary.

Jinping-II is designed to cut the 150km river bend by a group of power tunnels to use the natural drop created by the bend. The project primarily consists of a headwork sluice dam, spillway structures, power tunnels and powerhouse complex.

The dam is 7.5km downstream of Jinping-I dam. The catchment area upstream of the dam is 103,000km2, and the multi-year average inflow at the dam site is 1,220m3/s. Jinping-II reservoir itself only has a capacity of daily regulation, but when jointly operated with Jinping-I, it also has the capacity of yearly regulation.

The 4 power tunnels have an average length of 16.6km and an excavated diameter of 13m, which are among the world’s longest and largest hydraulic tunnels.

The powerhouse complex sits underground on the other side of the river bend.

The project has a total installed capacity of 4,800MW (8 × 600MW), which gives a multi-year average annual generation of 24.23TWh.

Total construction period of the project is 8 years and 3 months, and its total static investment is RMB24.98 billion yuan, while the total dynamic investment is RMB29.77 billion yuan.

Contact Us

Contact: Newyork Liu

Phone:

Tel: 021 - 6236 1981

Company: Busiunion

Add: Shanghai, China

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