Question: how much money does it cost to run a tv all day?
Answer: Using our example of a 200-watt TV and EnergyGuide's standard of 11 cents per kWh, running the TV for 12 hours per day would cost you $96.36 per year. Of course, how much power a TV uses will vary by other factors: Age: Older models might require 400 watts or more, doubling the cost of our example above.