15 billion dollars
hydro electic is a power source but you have to build a dam
retro
thebegstdampic show.
It all depends on how big the dam was, how much it cost, and how much electricity it produced. Or, in the case of Hoover Dam, the profits of tourism. It can take up to 5 years, but it typically will take around 2-3.
at a hydro electric dam
The worlds largest hydro-electric dam is the 'Three Gorges Dam' in China. It spans the Yangtze River and was completed in 2006. It has thirty-two generators + six which are being installed. It cost 26 billion US dollars and is 1,045 km2 in surface area.
Go look for a dam.
Hydro- means water. A hydro-electric generator uses moving water from a river or dam to turn the generator and produce electricity.
a lot
Water pressure.
To make hydro-electric energy.
Malampuzha dam in Palakkad district is the biggest dam..... But it is not a hydro electric project.