There are many advantages to solar power which will lend clarification as to why it is on the rise.
One of the primary advantages is its usage can greatly suppress pollution. In particular its ability to ward off global warming. With no carbon dioxide, methane and other emissions, it is a sure-fire winner against the burning of fossil fuels.
Solar power is becoming progressively efficient. Technology is developing rapidly and the costs are lowering in comparison to other energy sources. Not to forget that after installation, solar power is free.
As long as the sun shines, solar power will always be an asset, it is an infinite energy source.