Monday, January 26, 2015

The World’s 10 Largest Hydroelectric Dams!

ජල විදුලිය, පුනර්ජනනීය විදුලි උත්පාදනයේ ප්‍රමුඛ තැනක් උසුලනවා. ලොව විදුලි නිෂ්පාදනයෙන් එය 16% ක්. එවගේම 3.1% ක වර්ධන වේගයකුත් තියෙනවා. මෙහිදී චීනයට සුවිශේෂ තැනක් හිමි වෙනවා. ලොව විශාලතම ජල විදුලි බලාගාර 10න් 4ක් ඔවුන් සතුවෙනවා.සාපේක්ෂව වියදම් අඩුවීමත් හරිතාගාර වායුන් පිටවීම අවම වීමත්, ජල විදුලිය මේ තරම් භාවිතයට ප්‍රධානම හේතුන් වෙනවා.

ලොව විශාලතම ජල විදුලි බලාගාර 10

10. Robert-Bourassa
La Grande, Canada


This plant is part of Quebec’s James Bay Project and has a generating capacity of 5,616 MW. The dam is named after Premier of Quebec Robert Bourassa and was originally commissioned in 1981.



spillway in action



9. Krasnoyarsk
Yenisei River, Russia


This dam originally came online in 1972 and has been operating ever since. It’s located in Southern Russia and has a generating capacity of 6,000 MW.



spillway in action



8. Longtan Dam
Hongshui River, China


The Longtan Dam is the tallest of its type in the world and has a generating capacity of 6,426 MW. It’s relatively new, as it was only commissioned in 2007.



spillway in action



7. Grand Coulee
Columbia River, United States


Washington State’s Grand Coulee dam is a classic. It’s been around since 1933 and remains one of the biggest in the world. It has a generating capacity of 6,809 MW and is currently undergoing major overhauls.



spillway in action



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5. Tucuruí
Tocantins River, Brazil

This dam was the first large-scale hydro power project in the Amazon rainforest. It was commissioned in 1984 and has a generating capacity of 8,370 MW.



spillway in action





4. Guri
Caroní River, Venezuela 


The Guri Dam is huge. It is 7,426 meters long and 162 meters high. It’s also quite old, as it was commissioned in 1978. It currently has a generating capacity of 10,235 MW.



spillway in action





3. Xiluodu
Jinsha River, China


This dam has a generating capacity of 13,860 and also provides flood control for the region. It’s brand new, as it was only commissioned in 2013, and is operated by China Yangtze Power.

After completed.



2. Itaipu Dam
Paraná River, Brazil/Paraguay 


This dam occasionally has a higher generating output than the number one spot. With 14 GW of installed capacity it’s quite impressive. It also straddles the line between two countries, making initial negotiations difficult.



spillway in action





1. Three Gorges Dam
Yangtze River, China


Here it is: the big one. With a massive generating capacity of 22.5 GW, the Three Gorges Dam is the biggest hydro dam in the world. China had begun dreaming up this dam in 1919, and in 2008, it came alive. It’s a beast of a hydro dam and is a marvel of modern engineering.



spillway in action

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