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Hyrdo power is derived from the movement of water downhill, so the only way that hydro power could run out would be if water stopped flowing. That is a bigger problem than a lack of electricity. Of course while hydro power is renewable it is also finite (and comes with a cost to the environment). After all the possible avenues for getting hyro power has been exhausted the world will either have to make to without new energy sources or use the sources it does have more wisely.

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Q: What would happen to the world if hydro power ran out?
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What would happen if there was no hydro power?

Hydroelectric power supplies about 20% of the world's electricity. Without that source of energy, more fossil fuels would be consumed to meet the demand for electricity, which would increase air pollution.


What are antonyms of hydro power?

Hydro power means powered by water. Solar power would be an antonym.


What is the difference between small hydro power and large hydro power?

Large hydro power would be a dam in a river, storing water and generating electricity for agricultural, industrial and domestic use. Small hydro power systems could be as small as a turbine in a stream providing electricity to a single farm.


What would happen if the world had no weapons or no nuclear power?

Some one would invent them


Which nations in the world would be able to use Hydro-power?

Those with a high rainfall and a mountainous terrain. Norway and Newzealand spring to mind.


Why nuclear would not be a good alternative to hydroelectric power?

If hydro power is available, go for it. Most places don't have enough water or height to produce much hydro though. I hope nobody has built nuclear where hydro is available.


How much would a hydro-electric power station cost?

165 million dollars


What are disadvantages of hydro power energy?

You would have to build a dam, which could mess with the flow of the river.


What would my life be like without fossil fuels?

it wouldn't be very different as we could use wind, tidal, solar and hydro geothermal to power things in our house/world


What is the best green energy source to use?

I would suggest hydro power, but it's not available everywhere. Otherwise wind power.


What are nonpolluting resources?

If in terms of creating power it would be solar (the sun), hydro (water) and wind etc


How does hydro electric power produce electricity?

Hydro plants range in size from arbitrarily small to the largest power plant in the world. On the small side, there are hydro power generators that literally can fit onto a person's hand, with very small output. Some people use very small generators to produce power for their homes or for other off-grid use of power. There is no reason why a much smaller model could be produced, though it would probably not have a practical application. The Three Gorges Dam in China is the largest electric plant in the world, in terms of output. It currently has an output of 18,200, but will not achieve full power until 2011, when its output will be 22,500 MW. This is several times the output of a large nuclear facility.