Because every MW of wind power capacity is matched with a MW of reliable coal, gas or nuclear power, the ‘case’ for subsidised wind will never add up
Generating electricity 30% of the time – albeit that wind power outfits can never tell you in advance which 30% of the time that might be – the cost of ‘backing up’ intermittent wind power becomes astronomical. These days reliable generation is referred to euphemistically as ‘firming capacity’ – conjuring up the notion of some kind of Viagra for putting a little stiffness in the grid.
Duplicating a reliable generation system with an unreliable one, not only duplicates the capital cost it also increases the cost of running the former, as coal and gas generators are forced to ramp up and down, according to the weather. All of which results in monumental waste and astronomical costs.
Jay Lehr takes a look at…
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