Originally Posted by
raistlin
Haha, this is what I study about in uni. :D
I would use solar power if I had enough money and my own home, no questions asked. With solar power, you still would need to purchase electricity from the grid, as most likely not enough will be produced from the panels.
I agree with the above when it comes to wave and geothermal power as alternative energy sources. However, theses are very costly.
And I don't agree with wind for alternative energy.
I don't know what you mean by your question about if they all work the same. They are all completely different mechanisms. And, a reservoir of what? It depends more on geography and climate.