It is obvious that renewable energy is taking a big piece of the energy production pie. Main renewable energy sources are: solar, hydro and wind powered.
In Germany, a country who invested a lot on renewable energy, there are days when the electricity production from renewable sources is bigger than the total energy consumption. Here is a good article about Germany renewable energy.
While wind and hydro energy is used for many decades, solar energy is the one who is getting more and more traction each day. Tesla just announced their solar roof systems, which are low cost and efficient.