red baron wrote on Mar 11
th, 2012 at 3:04pm:
So much energy goes into the building of a wind turbine that it is highly unlikely that the power generated in its lifetime would ever repay the pure logistics and mining that goes into its sum parts.
Building a tower is straightforwrd not much energy or cost.
The blades are composite ,a bit like a surfboard,carved out of foam then covered with quality fiberglass so not much energy used or cost there.
The generator part can vary due to design it is still fairly cheap just think of it as a larger version of the alternator in your car.
Nothing you have come up with is changeing my mind.
Windpower has no ongoing fuel costs , hydro electric is the only thing that can compete with that, solar is more expensive than wind power yet it also has no ongoing fuel costs.
You dont need a team of engineers to run a wind turbine,in fact you will hardly ever see anyone working on a windturbine.
A power station that burns coal-gas or even nuclear has to boil the water to make the steam that drives the turbines so probably best to have a team working at all times for safety.
So what about water usage-
windpower - Zip zilch none
Gas/Coal/Nuclear - Heaps, they have to boil water to make steam to drive turbines.
All i see is fear mongering and nothing of any substance with critics of windpower.