BCG looking into things & a knowledgeable viewpoint, page-2

For 10 MW of Coal Generation Infrastructure you average 9 MW of output or 90% efficiency

For 10 MW of Wind Generation Infrastructure you average 0.9 - 1.4 MW of output or 9 - 14% efficiency.

All the best Wind Generating areas have been used so you get lower return as you build in new locations
The life of Wind Infrastructure is around 10-12 years and Coal Plants 40-50yrs

Coal plants are becoming more Efficient and cleaner and you can put one anywhere.

Nuclear has had massive efficiency gains and also in safety.

More Coal Gas Nuclear coming your way when the numpties get sick of paying ridiculous Energy Prices