How the Sun powers parts of Kenya
18 February 2015 Last updated at 09:25 GMT
Having electricity to turn on the lights or watch television is something we might take for granted.
But in some countries, like parts of Kenya in Africa, electricity doesn't come easily.
Many parts aren't connected to electricity making life more difficult for the families that live there.
That's where the Sun comes in - watch Martin's report to find out how.