ya you are right my friend but there will be a large amount of space needed to produce such high amount of electricity through solar power because a solar cell can convert only 5 -8 % of solar energy to electric energy which is very low figure so we have to rely on nuclear power till there is a new invention made which makes it possible to convert 90% of solar energy to electric or mechanical energy and that day onwards world is going to change i am waiting for that day.