There is a lot of variation (depending on size/age/location etc of the turbine) in the EROI (output/input) for wind, but the consensus appears to be approx 20.

There is a lot of variation (depending on size/age/location etc of the turbine) in the EROI (output/input) for wind, but the consensus appears to be approx 20. One source is https://en.wikipedia.org/wiki/Energy_returned_on_energy_invested https://en.wikipedia.org/wiki/Energy_returned_on_energy_inve...