While we are part of a energy transition globally, many calculations are made based on costs, in cts/kWh, and wind and solar now seem to become very cheap. But its not about costs. That’s artificial, its about real and absolute CO2 levels, and energy efficiency. So I found data for EROI ( energy return on investment), and for CO2 emissions/kWh. And I put them together: which one scores best in both categories? Only 3…

See the new chapter 3.4