Electricity powers lots of things such as heating, cookers, light switches, and lots more!!!!!!!!!!!!!!!!!!!!
Yes.
This sounds like a silly question, because the power station makes electricity. However if it is shutdown to start with, the auxiliaries on the station need some power before it can be started. This...
Nuclear fusion has not yet been adapted to produce electricity-it may happen eventually but I think it will be 50 years before the problems are solved