How Well Do You Understand Your Electric Bill?

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  What does 'kWh' on your electric bill measure?
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  True or false: your electric bill is the same every month.
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  How do 'supply' and 'delivery' charges differ?
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  How is the total on your bill calculated?
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  What is a 'demand charge' on your bill?
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  How can you tell if your usage went up?
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  How are watts and kilowatt-hours related?
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  How do you read your electric meter?
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  What does 'off-peak' mean on a time-of-use plan?
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  Which appliance usually uses the most electricity in a home?
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  On a time-of-use plan, when is power cheapest?
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  When should you run your washing machine on a time-of-use plan?
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  If you shift laundry to off-peak, what happens to your bill?
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  Which home is best suited for rooftop solar?
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  Which appliance choice saves the most energy?
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  Do all appliances use the same amount of electricity?
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  Do LED bulbs really save energy compared to old bulbs?
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  True or false: Unplugging unused devices saves no real energy.
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  Do large appliances like TVs and microwaves use power while idle?
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  If your bill is high, is switching providers the only real fix?
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  Does setting your AC lower always cool your home faster and save power?