As renewable sources I count among others:
Waterpower:
Windpower:
Solar heated plants:
Solar cells:
Email: letters2erik@hotmail.com
The advantages with waterpower is that itīs cheap and that energy can be
produced when needed. The disadvantage is that fishes are cut of from the see.
Advantages: small space needed, more power is created in the winter when itīs needed most,
no waste of any kind.
Disadvantages: can only generate very little power, expencive, ugly.
Advantages: Cheap maintenance
Disadvantages: Expensive to install, not very efficent, produce most energy in summer,
when not needed.
Advantages: cheap maintenance
Disadvantages: very expensive to install, not very efficent
since 980329