How much energy does a TV use? Modern-day technology rules much of our lives, from our washing-machines, dishwashers, and tablets to the computers on which we work daily. The amount of energy they use, even when on standby, will surprise you.
How Much Energy Does a TV Use?
The answer to how much energy does a TV use is more than you probably realize! Our televisions use around 16 cents to 30 cents an hour to run, depending on the size and efficiency of the model we watch.
When you consider that an average family may have more than one television on the go at any time, this can quickly add up!
However, more substantial, less efficient televisions can cost between 43 cents and 76 cents an hour to run while smaller sets cost between 7 cents and 18 cents per hour.
The cost is an alarming statistic when you consider just how many homes have televisions, and many of them more than one. Because I work from home, I know how guilty I am with the TV switched on most of the day in the background.
It's at times like this that we may wish to review our energy costs. When the question of "How much energy does a TV use?" raises its head, we should take notice. Saving Electricity is an excellent site to investigate this puzzle.
Though energy rates will vary between states, the Energy Use Calculator site has some useful tools to help you calculate your energy usage. This is particularly useful when you consider the question, "How much energy does a TV use?"
Hourly Energy Use by an LED LCD Television
How much energy does a TV use? While we all take our TVs for granted, it's a question worth pondering when we look at saving energy at home. First Choice Power has excellent information for many sizes of television to help you better understand your energy usage.
A 32-inch television
Would you believe that a 32-inch, 3 Energy Star rated TV will use 15.5 cents per hour?
By comparison, a 32-inch, 6 Energy Star rated television will use only 7.9 cents per hour.
What about a 50-inch television?
That is one of the most popular sizes of TVs, and a 50-inch, 3 Energy Star rated TV will use 37.6 cents per hour.
However, a 50-inch, 6 Energy Star rated television will use 19.3 cents per hour.
Go big with a 60-inch television
Bigger screen sizes are getting ever more popular, and a 60-inch, 3 Energy Star rated TV will use 53.8 cents per hour.
Even better, a 60-inch, 6 Energy Star rated television will use 27.5 cents per hour.
How Much Energy Does a TV Use When It Is Energy-Efficient?
Thank goodness the days of the cathode-ray tube have long disappeared. We are left instead with a slew of sophisticated televisions which use all sorts of miraculous means to entertain us.
When you consider the question, "How much energy does a TV use," it's worth thinking about the type of screen you want.
Most televisions use between 80 to 400 watts depending on the size of the screen and the technology the set uses. Saving Electricity has some excellent in-depth calculations to help work out your usage.
LED LCD televisions
LED LCD televisions work by using a liquid crystal display which is backlit by LED lights to enhance and brighten the picture. This type of TV is the most common in our marketplace at the time of writing.
These types of TVs are generally the most efficient when it comes to feeding on electricity, and a 42-inch screen will use on average between 91 and 236 watts per hour.
Not so long ago, almost every TV on the market was a Plasma set. Plasma TVs revolutionized the sizes of the screens we have come to expect in our homes, paving the way for larger monitors.
However, because they use charged plasma gas to form the picture, they are notoriously expensive to run. A 42-inch Plasma TV can use between 200 to 500 watts per hour!
OLED stands for Organic Light Emitting Diode and is the newcomer on the block for us consumers. Unlike LED LCD televisions, they do not need to use a backlight, and as a result, they give a crisp, sharp picture. OLED TVs offer realism never witnessed before in our televisions.
Due to this cutting-edge technology, OLED televisions are efficient to run though they remain at the top end of the price spectrum. However, a 42-inch screen will only use between 50 and 214 watts per hour.
Standby for a Surprise
Putting your television into standby still costs you money because any device which lives on standby uses electricity, even when it's asleep.
Most of us have at least one DVD or Blu-ray machine on standby, and perhaps a gaming console and music system as well as your television. That quickly amounts to a lot of wasted wattage.
An LED LCD television uses around 0.02 cents and 0.01 cent per hour when on standby. Multiply this by how many hours it remains idle through the day, and then through an entire year, and it may well shock you.
Now consider all the rest of your appliances, and it’s enough to switch you off! The New York Times has an enlightening article which addresses this standby problem.
I've gotten in the habit of turning off the switches every night before I go to bed. I have a 55-inch screen with a home cinema connected to it. As a result, I am all too well aware of the amount of energy they consume.
I use an Alexa Alexa Dot with Alexa controlled sockets so that every night, I tell Alexa to shut everything down. My heavy energy pieces of equipment, namely my television and home cinema system, are then switched off at the plug entirely, which gives me peace of mind.
While they are off at the sockets, they are not using energy.
How Much Energy Does a TV Use? Hints and Tips
As well as the type of screen you use, the way you use your television may influence energy consumption. Are you alarmed yet? Let me explain!
Better pictures cost money
With screen sizes getting so big, we demand sharper images. That means the way the television forms the image, which is called the refresh rate, is increased.
A higher refresh rate means a sharper, better picture, but it also means higher energy consumption. HNSAVES explains high-definition and power usage in greater detail.
I am a massive fan of 3D with my home cinema set up, but this means the television has to have a high refresh rate. The tv has to display all the colors and images in a far more sophisticated way.
As a result, 3D TVs use a lot more electricity. CNET provides excellent information on 3D TV power usage.
If, like me, you like your sound loud and proud, then prepare for higher bills. According to Quora, your television will eat more electricity, the higher you raise the volume.
The brighter you make the picture on the screen, the more energy it will use. It follows that to make your image more vivid, the lights and diodes inside the television must work harder.
Thus they consume more power. First Choice Power goes some way to explain this.
Energy Efficient Televisions
For every additional star in an energy rating, it adds approximately 20 percent to the energy efficiency of the television.
Any device that is Energy Star Certified uses 20 percent to 30 percent less energy than required by federal standards, which is excellent news for us!
The following televisions are Energy Star certified and will help to reduce energy consumption in your home.
Samsung 82" Class Q80R QLED Smart 4K UHD TV
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The Samsung 82" Class Q80R QLED is Energy Star certified and comes equipped with a powerful full-array backlight. The processor upscales pictures to 4K and also operates through voice control. The television is Alexa Compatible.
A Samsung QLED of 75 inches and up to 80 inches will consume approximately 340 watts per hour.
Going on Standby
I love my television because it's my guilty pleasure. I have a vast collection of films, and I like to watch them on the best quality screen I can afford.
When I pondered the question, "How much energy does a TV use?" it made me think. We can all do more to reduce our energy consumption. By turning off my appliances at the sockets at night, I can save money.
How about leaving the TV off when you are at home doing other things? If you are reading, working on your computer, and especially if you are not in the room, why not turn the TV off?
Tell us how you tackle this problem and share with us any experiences or tips you may have to help us save money. How much energy does a TV use? How much energy can you save? Let us know in the comments below!