Why do power plants generate so much electricity?I was just trying to figure out how and why is energy conservation so important.

There are many kinds of power plants so some produce more energy than others.

Nuclear power plants produce energy from controlled nuclear reactions. They use nuclear fission, not nuclear fusion. Right now many people believe that nuclear fusion is a better and safer way to produce energy in a nuclear power plant but they have not yet really discovered a way to make it feasible in this setting.

Hydroelectric dams produce a lot of energy as well. They use the power generated from flowing water to create electricity. An example of this is Hoover Dam which generates electricity to a vast area including Arizona, Nevada, and southern California.

Wind turbines also create a lot of electricity. There are many wind power plants being constructed as is it a safer and more environmentally friendly. The problem with this is they take up a lot of space and do not create nearly as much electricity as other types of power plants.

There are also power plants that use fossil fuels as a source for energy. These kinds of plants burn oil and they are expensive and very polluting. As fossil fuels are running low, different kinds of power plants are thought to be a better option.