Disclaimer: This blog has nothing to do with this game. It contains all sort of spoilers and controversial materials. So read at your own risk.
Table of content for this series can be found here
Honestly, natural energy is a joke right now.
Solar depends on the sun's availability, and those panels are damn expensive to install
Wind depends on the wind, but not TOO much wind! Those turbines can easily break if the wind overwhelms them, so gotta place them in the RIGHT places!
Water depends on rain and water levels. If weather conditions are causing droughts then you are KIND of out of luck.
Battery power is too inefficient for long term use. The tech is not there yet for mainstream