A home's garden hose can provide electricity

[keihatsu]

1. run a hose to the roof of your house
2. keep a 1 cubic meter tub full of water on your roof
3. let that water drain through a tube to the ground
4. put a water wheel in the flow for a motor

That will provide enough electricity to run your whole house.

[innovation_station]

i have a turbine with massive power ...  i built it is a alum tesla turbine ...  i was really surprized when i first ran it years ago .. it whipped the axel right round ... from a garden hose ... even turning an old 6vdc car generator from the 50's ..

regards ..

ist

[e2matrix]

Sorry but it would be a very bad idea to put a cubic meter of water in a container on almost any roof.  That much water would weigh over 2100 pounds not even counting the container.  That would fall through most roofs as they are generally designed to hold the weight of the shingles and a person on them walking carefully.   2100+ pounds in one area of a roof would be a disaster waiting to happen unless a lot of extra bracing was put in place including bracing within the house below the roof. 
   Even that amount of water would not provide electricity for long using a paddle driven generator.   Sorry to nix anything that is an alternative power source but it's just not a good plan in it's currently presented format.   

[MrMag]

1. run a hose to the roof of your house
2. keep a 1 cubic meter tub full of water on your roof
3. let that water drain through a tube to the ground
4. put a water wheel in the flow for a motor

That will provide enough electricity to run your whole house.

Sorry, you won't be able to generate enough power to run a pump to pump the water back up to the roof.

[e2matrix]

Also consider that most homes that have a city water supply will find their billing quite low for average use of water.  But when it gets over so many gallons the price goes up a lot.  My assumption has been this is to PREVENT people from using water to generate electricity.