One need to understand the basis to be able to maintain it. Solar energy is free energy from the sun converted into light. We need more of this in Africa where power seems to be a major issue.

I have to improvise to always charge my phone so I can online on steemit. Cost me to always power the generator

My alternative to get power when power distributors fails(they always)

Solar panel is needed all over Africa. I will make a post about Decentralized energy next.