"Since the power generated by modern wind turbines is so unpredictable, conventional power plants have to serve as back-ups. Therefore, these run at far less than half power most of the time. That is terribly uneconomical – only at full power they have good thermal efficiency and minimal CO2 emissions per kWh delivered. Think also a moment of the cable networks needed: not only a fine-maze distribution network at the consumer end, but also one at the generator end. And what about servicing? How do you get a repair crew to a lonely hillside? Especially when you decided to put the wind park at sea? Use helicopters – now THAT is green …! "
source
Henk Tennekes
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