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A very speculative average:

Average plasma: 338 watts

Average LCD: 176 watts

Some comparisons to give you relative idea:

PlayStation 3: 197 watts

Xbox 360 Elite 185 watts

Nintendo Wii: 19 watts

DirecTV HR20 DVR: 33 watts

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Wiki User

14y ago
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AnswerBot

6mo ago

The wattage of a television can vary, but on average, a flat-screen television uses about 80-400 watts per hour. Older CRT televisions may use more energy. It's best to check the specifications for your specific TV model to get an accurate wattage.

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11y ago

You can find the power of your television set on its data nameplate. Power is the rate at which it will consume energy, so the number of watts is not affected by time. If, for example, it is rated at 300 W, then it's 300 W whether you use it per hour, per day, per week, per month, or per year! Power is simply a rate; the rate at which you consume energy.

Because power is a 'rate', your question is rather like asking "How many miles per hour does my car do per hour?", when your question should be "How many miles will I drive in one hour, at so-many miles per hour?".


So you should be asking, "How much energy will a television set consume per hour?" As your electricity company charges you for energy measured in kilowatt hours, a 300-W television set would use 0.3 kilowatt hours in one hour, 0.6 kilowatt hours in two hours, and so on.


A kilowatt hour is the amount of energy consumed, per hour, at the rate of one watt.

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Q: How many watts does a television use per hour?
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