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What is the difference between a watt and a kilowatt-hour (kWh)? How many watts does a refrigerator use in an hour?

April 26, 2017hour kilowatt-hour kwh refrigerator watt watts

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What is the difference between a watt and a kilowatt-hour (kWh)? How many watts does a refrigerator use in an hour?

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How does a solar electric (photovoltaic) system work? Photovoltaic modules (a.k.a. solar panels) convert sunlight into direct current (DC) electricity. This electricity is either used immediately or stored in batteries. It may be used either directly (as direct current) or converted to alternating current (AC) by a device called an inverter.