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urages its customers to replace their incandescents (power = 75 W) with compact fluorescent lamps (CFLs) that prod

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Question

Suppose a utility generates electricity with a 36 percent efficient coal-fired power plant emitting the legal limit of per million BTUs of heat into the plant. Suppose the utility encourages its customers to replace their incandescents (power = 75 W) with compact fluorescent lamps (CFLs) that produce the same amount of light. Over the 10,000-hr lifetime of a single CFL (power = 18 W), How many kilowatt-hours of electricity would be saved?

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