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What sort of music do you like? http://rockettube.fun rocket tube The battery-substitute option should include the capital cost of generating the power it stores. According to DOE estimates*, the capital cost per kW-hr of a wind-power installation is 4.8 times that of a conventional gas-fired plant; for solar photovoltaics, the factor is 8.3; for solar thermal, 11.7. NOW add 1.7 for batteries, and you get a meaningful comparison: “green” power plus storage is 7 to 13 times more expensive to build than natural gas.
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