It was not so long ago, that renewable energy was seen as a dream and in its early stages it was heavily subsidized.
But after many fertile years of research, we have managed to have reduced the cost of producing renewable energy in 2018 than fossil fuels and nuclear fuels. In addition, research in this field has only just begun and over time, the production energy will continue to become more and more crowded until it becomes virtually free
source
https://pixabay.com/photos/renewable-energy-environment-wind-1989416/
https://www.intelligentliving.co/renewable-energy-cheaper-fossil-fuels/