How much does a led tv (55 inch) cost to run?

Updated 7 November 2026 · ClearCost UK · 3 min read

A led tv (55 inch) uses about 90W. At 27p per kWh, running it 5 hours a day costs about £0.024 an hour, £3.70 a month and £44 a year.
Advertisement

LED TV (55 inch) running cost at different electricity prices

The figures use 90 watts and 5 hours a day. Your own price per kWh is on your electricity bill, so pick the row closest to it, or change the numbers in the calculator.

Cost = watts ÷ 1,000 × hours × price per kWh. For a 90W led tv (55 inch), one hour uses 0.09 kWh.

LED TV (55 inch): 90W, 5 hours a day

Electricity pricePer hourPer dayPer monthPer year
20p per kWh£0.018£0.09£2.74£33
25p per kWh£0.022£0.11£3.42£41
30p per kWh£0.027£0.13£4.11£49
35p per kWh£0.032£0.16£4.79£57

Typical wattage. Check the label on your own appliance.

LED TV (55 inch) running cost by hours of use

How long you use it matters more than almost anything else. The table shows the cost of using a 90W led tv (55 inch) for different amounts of time each day at 27p per kWh.

LED TV (55 inch) at 27p per kWh

Hours per dayCost per dayCost per monthCost per year
30 minutes£0.012£0.37£4
1 hour£0.024£0.74£9
2 hours£0.049£1.48£18
4 hours£0.097£2.96£35
8 hours£0.194£5.92£71
24 hours£0.583£17.75£213
Advertisement

How much power does a led tv (55 inch) use?

A typical led tv (55 inch) is rated around 90W, which is 0.09 kW. Over a year of the use above that adds up to about 164 kWh. Brightness and picture mode change the draw a lot. HDR and very bright modes can use twice as much.

Wattage varies between models. Look for the power rating on the label, in the manual or on the maker's website, and enter it in the calculator for an exact answer.

How it compares with other appliances

Typical wattage and typical use for each appliance, at the same electricity price. A high cost per hour does not always mean a high yearly cost, because it depends on how often you use it.

Compared at 27p per kWh

ApplianceTypical powerCost per hourCost per year
LED TV (55 inch) (this page)90W£0.024£44
Fridge freezer40W£0.011£95
Chest freezer35W£0.009£83
Games console200W£0.054£59
Desktop computer200W£0.054£99
Laptop50W£0.014£30
Advertisement

Ways to cut the cost of running a led tv (55 inch)

  • Use it less at peak times if you are on a time-of-use tariff, and more when power is cheapest.
  • Choose a model with a high energy rating when you replace it. The saving over its life is often bigger than the price difference.
  • Switch it off at the wall when it is not in use if it has a standby draw.
  • Check your tariff. A lower unit rate cuts the cost of every appliance in the house.

Sources and further reading

Questions people ask

How much does it cost to run a led tv (55 inch)?
About £0.024 an hour, £3.70 a month or £44 a year at 27p per kWh, using it 5 hours a day.
How much does a led tv (55 inch) cost to run for 24 hours?
Running a 90W led tv (55 inch) for 24 hours straight would use 2.16 kWh and cost about £0.58 at 27p per kWh.
How many watts does a led tv (55 inch) use?
A typical led tv (55 inch) uses about 90 watts. The exact figure is on the label or in the manual.
What electricity price should I use?
The Ofgem price cap sets the maximum unit rate for most standard variable tariffs and changes every three months. Use the p/kWh figure on your own bill.

Results are estimates for information only, not financial advice. Read the full disclaimer.

More free calculators

Advertisement