Home Solar Power Guide Does anyone know advantages of solar power?

Does anyone know advantages of solar power?

I recently bought a new house, it is well furnished but I am not satisfied with house plans. I want to make it more eco friendly house. My concern is with the plan which will guide me how to make an environment friendly house. Does anyone know advantages of solar power please help? It will be great to hear from some expert. If anyone has any idea of using any eco friendly plans for their house. Please help.