| RSS Web Feed for Renewable Energy UK |  | REUK Shop | Directory | About Us  

Three Gorges Dam



Three Gorges Dam

Learn about the world's largest dam and hydro electric project

hydro
  Printer Friendly Version Print Article     

Three Gorges Dam viewed from above

The Three Gorges Dam on the Yangtze River in China is the World's largest dam, largest Hydro-electric project, and one of the largest construction projects ever. When completed this power station will generate an incredible 18.2GW of electricity from its 26 hydro turbines - equivalent to the output from 18 typical coal power stations (40 million tons of coal), or the power used by four cities the size of Los Angeles. In units of electricity that is a total of 85 billion kWh per year (worth around £4bn per year at UK retail prices). By 2006 approximately 3% of China's vast power needs will be serviced by the hydropower plant reducing carbon monoxide emissions by around 10,000 tons per year in a country where 80% of power is currently generated by burning coal. China are also the world's second largest consumer of oil, so they are looking to reduce their dependence on fossil fuels.

The Three Gorges before construction of the dam

The dam has created an artificial reservoir 660km long which will eventually cause the flooding of 632 square kilometers of land. This has displaced well over million people and destroyed over 1,000 towns and villages. Pictured above is an image of the Three Gorges region before the construction of the dam. The total cost of the project is claimed to be under $25 billion, however real costs are believed to be as high as $100 billion.

Three Gorges Dam during construction

The dam itself is over 1.4 miles long and 185 metres high and is constructed from concrete.

Although hydropower is seen by most to be good for the environment thanks to its ability to reduce our dependence on fossil fuels, there are now concerns that hydro electricity generation contributes to global warming, and may in many cases lead to more climate change than coal power stations.



Article Last Modified: 08:49, 4th Jan 2010

Comment on this Article

If you have any comments on this article, please email them to neil@reuk.co.uk.


Recommended Related Articles

People who read this article also enjoyed the following articles:

Calculation of Hydro Power
Work out how much hydro power can be taken from flowing water with our new online automatic hydro-power calculator
Article Last Modified: 12:47, 10th Mar 2008
hydro | education

Introduction to Hydro Electric Power
A brief introduction to Hydroelectic power generation
Article Last Modified: 15:37, 18th Jul 2007
hydro

Run of River Hydro Power
Hydro electricity generation without a dam
Article Last Modified: 14:35, 3rd Jan 2007
hydro

Pico Hydro Power
Find out more about Pico Hydro power (sub-5kW generators)
Article Last Modified: 14:35, 3rd Jan 2007
hydro

Hydro Contributes to Global Warming
Hydro electricity generation actually increases global warming
Article Last Modified: 14:35, 3rd Jan 2007
hydro | news

Permanent Magnet Generator
Build a wind or water power system with around a PM Generator
Article Last Modified: 15:43, 6th Apr 2010
wind | hydro

Introduction to Water Wheels
Find out more about using the power of a waterwheel
Article Last Modified: 10:16, 12th Nov 2008
hydro

Electricity from Waterwheels
How to generate electricity from a waterwheel
Article Last Modified: 13:12, 27th Mar 2006
hydro

Rainbow Power 300W Hydro Generator
300 Watt 12/24 Volt hydro power generators from Rainbow Power
Article Last Modified: 12:44, 27th Jan 2012
hydro | shopping

Building a Waterwheel
The story of the construction of a DIY waterwheel in the UK
Article Last Modified: 13:16, 6th Jun 2008
hydro | education

© 2006-2012 REUK - All Rights Reserved
Page Last Updated on 4th February 2012 at 12:42:53pm

Latest
Articles


Make a PICAXE Repeating Timer
Make your own repeating timer with our automatic PICAXE Basic code generator
education
12:42, 4th Feb 2012

Karasouli SCC 20 Wind Turbine Charge Controller
Find out more about the SCC-20 wind turbine charge controller and dump load controller
wind
12:42, 4th Feb 2012

UK Feed in Tariff to be Cut by 50 Percent
UK government announces 50% cut in feed in tariff payable on new solar PV installations
solar
12:42, 4th Feb 2012

PIR Sensor Circuits
Find out more about using PIR sensors within renewable energy applications
electronics
12:42, 4th Feb 2012

Water Heating with Surplus Solar PV
Heat water with surplus solar generated electricity
solar
10:58, 4th Feb 2012

Hacked PIR Sensor
Cannibalise a cheap PIR sensor to put it to other uses
electronics
10:44, 4th Feb 2012

Make a Still
Find out how to make your own still for distilling ethanol fuel
biomass
13:49, 31st Jan 2012

PICAXE Microcontrollers
Find out about PICAXE microcontrollers and their use in renewable energy projects
electronics
13:12, 30th Jan 2012



REUK Shop

Popular Items


REUK SUPER LDR DUSK DAWN RELAY CONTROLLER
Multi-function light detector triggered light/dark dawn/dusk relay controller
£18.95 each.
Complete Circuits



KARASOULI SCC 20 CHARGE CONTROLLER
20A rated wind turbine charge controller and dump load controller with blocking diode and heatsink
£43.95 each.
Renewable Energy System Parts



SOLAR PUMP CONTROLLER WITH RELAY
Solar water heating system microprocessor controlled circuit with fitted 10A relay
£25.99 each.
Complete Circuits



REUK SUPER POULTRY LIGHTING CONTROLLER
Control up to 8 Watts of LED spotlights to stimulate egg production in birds
£29.99 each.
Complete Circuits



REUK SUPER TIMER 2
User programmable 12VDC powered 16A rated repeating relay timer. 1 second to 99 hours ON and OFF times
£23.99 each.
Complete Circuits



300 WATT POWER INVERTER
Convert 12V DC battery power into 230 AC to power portable televisions, computers, video recorders etc. 300 Watt power rating - peak power 600 Watts
£29.99 each.
Renewable Energy System Parts



CONVERTED PROGRAMMABLE DIGITAL TIMER RELAY
Mains powered programmable timer converted to low voltage with relay board
£21.99 each.
Renewable Energy System Parts



12 VOLT REGULATOR
Supply a fixed 12.0 Volt DC to your devices (up to 1 Amp output)
£4.99 each.
Complete Circuits



MR16 CERAMIC BULB HOLDER
Bulb holder for 12 Volt LED spotlight bulbs
£1.39 each.
Energy Efficient Lighting