The reason is simple: your electric bill is measured in kWh, and you get charged based on the kWh of electricity you use per month! How many volts and amps does a TV use? We’ll mostly be referring to the electricity used by TVs in terms of kWh in this article. Assuming you run your TV an average amount (3 hours per day, every day), here’s how much electricity you’ll use over the course of a year: How many watts do different TVs use in a year? TV wattage If you run a 100 W TV for 4.5 hours per day, that’s 3.15 kWh of electricity per week, 13.65 kWh per month, and 163.8 kWh per year.ĭifferent wattage TVs use different amounts of electricity over the course of a year.Running that same TV 3 hours per day comes to 2.1 kWh per week, 9.1 kWh per month, and 109.2 kWh per year.If you watch TV 1.5 hours per day, that’s 1.05 kilowatt-hours (kWh) of electricity per week, 4.55 kWh per month, and 54.6 kWh per year.adults spend watching TV has been falling for several years, and nowadays, it’s around three hours per day. How much you run your TV has the biggest impact on how much electricity it uses over time, and households have all sorts of television watching schedules. Older TVs that use technology such as Plasma and CRT are much less efficient compared to newer LED and LCD TVs. Most TVs use less than one amp, and connect to a 120 volt outlet. Generally, TVs use between 50 to 200 watts (W) of electricity, depending on the model.
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