Here are some terrible predictions by clever men. And some more reliable predictions about how much your running costs are going to be, depending on your capital investment.
Read more about this here: https://minuszeroeco.blogspot.com/2016/01/lesson-12-part-i-economics-story-so-far.html and here: https://minuszeroeco.blogspot.com/2016/01/lesson-12-part-ii-future.html
