What a TV actually draws, and why the tables disagree
A 50 to 55 inch LED television draws about 60 W in normal viewing. That is measured running draw, not a nameplate figure, and for a modern set the two are closer together than they are for anything with a motor or a heating element. A television has no compressor to surge and no element to cycle; it lights a backlight and runs a processor.
The published tables genuinely disagree, and it is worth setting them side by side rather than picking one. The Department of Energy's appliance list gives 120 W for a "flat screen", a category that in its era meant plasma and CCFL-backlit LCD panels, both of which really did draw that much. Applied to a modern LED set it overstates by roughly a factor of two. A utility chart from DTE puts a 65 inch LED near 640 watt-hours per operating-hour block, which is far above what any current panel measures on its own and cannot be describing a bare television. Neither figure is fabricated; both are describing something other than the set sitting in your living room today.
This is a useful example of why appliance tables age badly. Panel efficiency improved faster than reference documents were revised, so a table written for one display technology now libels its successor. Where a table and your own meter disagree on a television, trust the meter.
Draw scales with screen area and brightness. A 32 inch set is near 30 W; a 75 inch OLED or full-array QLED showing a bright HDR scene can reach 200 W. Standby is about 1 W.
What that costs, worked through
Watts multiplied by hours of actual running, divided by 1,000, gives kilowatt-hours per day.
At 60 W over 5 hours, which is roughly what a single set averages: 60 × 5 = 300 watt-hours, divided by 1,000 is 0.3 kWh per day. Multiplied by 30.4 days, that is 9.1 kWh per month. At 18.44 cents per kWh, 9.1 × $0.1844 comes to about $1.68 a month, or roughly $20 a year. Per hour of viewing it is about a tenth of a cent.
Run the ends. A 32 inch set at 30 W gives 0.15 kWh a day, 4.56 kWh a month, about 84 cents. A large, bright set at 200 W gives 1 kWh a day, 30.4 kWh a month, about $5.61. Using DOE's dated 120 W figure instead would give 18.2 kWh a month and $3.36, which is the sort of error that turns a trivial cost into a merely small one without changing any decision.
Standby deserves its own line, because it is the thing people ask about. At 1 W held around the clock, a modern TV uses 8.76 kWh a year, about $1.62 a year. Not a month. ENERGY STAR certified sets must hold sleep mode to 0.5 W or less, which halves even that.
One caveat before you compare this to your bill: the 2020 Residential Energy Consumption Survey measured 632 kWh a year for televisions and related equipment per household, about 52.7 kWh a month. That is roughly six times the figure for one set, and the gap is the "related equipment" plus additional sets. Work out your own with the appliance energy cost calculator.
What makes it vary
Four things move a television's draw, and the order surprises people.
- Picture preset. The largest controllable factor. Showroom modes named Vivid, Dynamic or Standard-plus run the backlight at or near maximum so the set looks bright under fluorescent retail lighting. Filmmaker and Cinema modes run it far lower. Same content, same panel, up to double the power.
- Screen area. Roughly proportional, which is what takes a 32 inch set from 30 W to a 75 inch set at 200 W. Diagonal inches are misleading; area is what is being lit.
- Content and panel technology. On an OLED, each pixel emits its own light, so a dark film draws considerably less than a bright sports broadcast. HDR content pushes peak brightness deliberately, which is exactly what costs power.
- Hours. Linear and easy to underestimate. Per-set viewing averages about 5 hours a day; a set left on for background noise runs twice that.
What barely matters: resolution, whether the set is smart, and whether you use the built-in speakers. What is easy to overlook is the ambient light sensor, which dims the panel in a dark room and is the reason a set metered in the evening reads lower than the same set at midday.
Peripherals are the real variable in most living rooms. A cable box, a soundbar, a streaming stick and a games console are all plugged in behind the same panel, and collectively they can exceed the television.
Whether it is worth doing anything about
Two changes are worth making, and only one of them is really about energy.
Get out of the showroom picture preset. Vivid or Dynamic runs the backlight at maximum and can double the set's draw against Standard or Filmmaker mode on identical content. It also crushes shadow detail and oversaturates colour, which is why videophiles change it anyway. Do it for the picture; take the energy as a bonus.
Then, the honest assessment. At $1.68 a month, halving a television's consumption saves about ten dollars a year. That is not a household budget problem and it never was. If your electricity bill is high, the television is not why, and any advice that starts there is wasting your attention. Two specific pieces of received wisdom deserve retiring: unplugging the TV at night saves about $1.62 a year at 1 W standby, and ENERGY STAR certified sets must hold sleep mode to 0.5 W or less, so the vampire-power argument is largely settled on modern equipment. Switching to a smaller screen to save power is a decision about your living room, not your bill.
Where attention does belong is the box attached to the set. A games console left in Rest Mode holds 10 to 15 W around the clock, which over a month is roughly 8 kWh, nearly as much as the television itself uses while being watched. Streaming through the TV's built-in app rather than through a console uses a fraction of the power for an identical picture. That single habit is worth more than everything you can do to the panel. For where the real money is, see why your electric bill is so high.
How it compares with other household loads
At 9.1 kWh a month, a television is one of the smaller named loads in a house. It matches a laptop used six hours a day, also 9.1 kWh, and sits below a ceiling fan at 13.7 kWh and a dishwasher at 10.9 kWh. A desktop computer at 27.4 kWh uses three times as much. A refrigerator, at 36.5 kWh, uses four times as much, and an electric clothes dryer at 54.7 kWh uses six times as much.
A cleaner mental picture: a 60 W television running five hours is about what seven 9 W LED bulbs use over the same five hours. Run an old-fashioned incandescent bulb, at 60 W, and it draws exactly as much as the entire television. That comparison is worth holding on to, because it explains why lighting upgrades moved household bills and television upgrades did not.
Against the big loads it disappears. A central air conditioner runs about 638.4 kWh a month in season, which is seventy televisions. An electric water heater is 232.6 kWh, about twenty-five televisions. If a television were somehow free to run, most households would not detect the change.
The household total is a different question. The survey figure of 632 kWh a year for televisions and related equipment, about 52.7 kWh a month, is a real load, comparable to a clothes dryer. But that is three or four sets plus the boxes, consoles and soundbars around them. The set itself is rarely the problem; the ecosystem occasionally is. Compare the pieces on the appliance energy list.
Frequently asked questions
How many watts does a 55 inch TV use?
About 60 watts in normal viewing for a 50 to 55 inch LED set. Draw scales with screen area and brightness, so a 32 inch is near 30 watts and a 75 inch OLED or full-array QLED showing a bright HDR scene can reach 200 watts. Be careful with older reference tables: the Department of Energy list gives 120 watts for a flat screen, a figure from the plasma and CCFL-backlit era that overstates a modern LED set roughly twofold. Standby draw is about 1 watt, and ENERGY STAR certified sets must hold sleep mode to 0.5 watts or less.
How much does it cost to run a TV for 5 hours a day?
About $1.68 a month at the US average rate of 18.44 cents per kWh. The working: 60 watts over 5 hours is 0.3 kWh a day, which is 9.1 kWh over a 30.4-day month, which at $0.1844 comes to $1.68, or roughly $20 a year. A small 32 inch set costs about 84 cents a month on the same schedule and a large bright set at 200 watts about $5.61. Per hour of viewing, a typical television costs about a tenth of a cent, which is genuinely negligible against any other line on a bill.
Does leaving a TV on standby cost much?
No. At about 1 watt held around the clock, a modern television uses 8.76 kWh a year in standby, roughly $1.62 a year at the average rate. ENERGY STAR certified sets must hold sleep mode to 0.5 watts or less, which halves that again. The standby argument that was worth having in the plasma era is largely settled on current equipment. What is still worth unplugging or reconfiguring is the games console beside it: Rest Mode and Instant-On hold 10 to 15 watts continuously, which is around 8 kWh a month, or five times what the television costs in standby over a year.
Do bigger TVs use more electricity?
Yes, roughly in proportion to screen area rather than diagonal inches, because area is what has to be lit. A 32 inch set draws about 30 watts, a 50 to 55 inch about 60 watts, and a 75 inch OLED or full-array QLED up to 200 watts in bright HDR content. In cost terms that is a spread from about 84 cents a month to about $5.61 a month at five hours a day. Real, but small enough that screen size should be chosen on the basis of the room rather than the electricity bill.