Replacing the turbines on existing wind farms with newer, more powerful and efficient models could double the amount of electricity produced by onshore wind energy in the United States – without increasing its footprint.
The paper is here
Replacing the turbines on existing wind farms with newer, more powerful and efficient models could double the amount of electricity produced by onshore wind energy in the United States – without increasing its footprint.
The paper is here
Delivery probably isn’t as much as you’d expect it to be since it’s just the turbine being replaced.
Installation on the other hand, would be a massive bill since you’d need to erect your own windmill to install the turbine into.