[quote=Lanny_MacDonald;895730]...With natural gas, you must first find the gas (exploration cost), extract the gas (extraction costs), refine the gas (refinement costs), transport the gas (transportation costs), and then burn it in a plant (infrastructire costs). That has to be more expensive and way more inefficient than using gravity to drive that turbine. quote]
You can't really count all those gas infrastructure costs as they are already reflected in the price of the natural gas. Basically, you should only look at gas price and gas power plant infrastructure.
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