However, the following is based on a study of 107 of the best and most energy-efficient televisions on the market.

Key findings include:

• On average, modern TVs consume 58.6 watts when they’re on and 1.3 watts on standby.
• Modern TVs consume between 10W and 117W (0.5W to 3W on standby).
• In the US, TVs consume 106.9 kWh of electricity per year, costing $16.04 annually.
• 94% of Energy Star-certified TVs are LED TVs, of which 89% are direct-lit LED TVs, while 11% are edge-lit.

In terms of how much electricity a TV uses, screen size and resolution are crucial factors. Below is the average, most common, and lowest TV wattage.

A list of the most energy-efficient TV models is also included.

How much electricity does a TV use? A Detailed Guide and Stats:

TV Wattage

TVs use an average of 58.6W electricity when they are on and 1.3W when off. On average, TVs use 106.9kWh of electricity per year, costing $16.04 in the United States.

In the study, the most common TV wattage was 117W when turned on and 0.5W when on standby. Indeed, the most common TV consumes 206kWh of electricity each year, which costs $30.90 to run (at 15 cents per kWh).

Moreover, Older TVs, such as CRT and plasma TVs, consume more energy. LCD and LED TVs are significantly more efficient today, with LED TVs being the most efficient.

LED TVs account for 94% of Energy Star certified TVs. There are 89% direct-lit LED TVs, and 11% edge-lit LED TVs.

The wattage of a TV varies with screen size and resolution. Let’s look at how they impact the amount of power a tv consumes.

How Many Electricity Watts Does A TV Use?

Just on average, a TV uses 58.6 watts when on and 1.3 watts when turned off. The most common TV power consumption is 117 watts when in On mode and 0.5 watts when in standby mode.

The Sceptre – E18 uses only 10 watts when on and 0.5 watts when on standby.

A TV’s wattage is affected by the size, resolution, and other factors. The following tables illustrate average TV wattage based on resolution and screen size. 

Short summary:

• As expected, the average TV wattage use increases with TV size and screen resolution.
• The average 55-inch TV consumes 77 watts when it is on and 1.4 watts when off.
• 4K (2160p) TVs use an average of 80 watts when on and 0.6 watts when on standby.

Below is a table that lists the average wattage for popular TV sizes and the most common and lowest wattage. Also included is the amount of wattage used on standby.

As expected, this table shows that TV wattage increases with TV size.

75-inch TVs typically consume 114.5 watts while on and 2.6 watts on standby. 75-inch TVs consume 117 watts when they are on and 3 watts when they are in standby mode.

The lowest wattage recorded for 75-inch TVs is 87.3W (0.5W on standby).

Nevertheless, how does screen resolution affect how many watts electricity a TV uses? 

Below you will find the average, most common, and lowest TV wattage for different screen resolutions (in both on and standby modes).

The number of electricity watts a TV uses increases with the resolution. 

Full HD (1080p) TVs use an average of 33.3 electricity watts while on and 0.5 watts when on standby.

When on, full HD TVs use 31.1 watts, while in standby mode, they use 0.5 electricity watts.

However, the lowest full HD TV wattage is 14.5W (0.5W in standby mode).

Once we know how many electricity watts a TV uses, let’s examine how much electricity TV uses over time.

How Much Electricity Does A TV Use?

The amount of electricity used by a TV over time is measured in kilowatt-hours (kWh).

A smart TV uses 106.9 kWh of electricity on average per year. The average annual consumption of a TV is 206 kWh.

Sceptre: E18 uses the least amount of electricity per year, at 19.6 kWh.

When calculating the amount of electricity a TV uses annually, Energy Star and manufacturers typically assume 10 hours a day in On mode (daily) and 19 hours (daily) in standby-active, low mode (standby while connected to a network, if available) or standby-passive mode. Below, we use this assumption.

Moreover, the following table shows how much electricity TVs use based on their year’s screen size.

The total amount of electricity a TV uses increases with screen size. There is one expectation, however. 75-inch TVs are, on average, more efficient than 70-inch TVs, according to the study.

On average, 75-inch TVs use 203.36 kWh of electricity per year.

75-inch TVs typically consume 206 kWh, while the smallest ones consume 165.7 kWh.

Let’s take a brief look at hourly consumption next. These are the figures for annual consumption.

How Much Electricity Does A TV Use Every Hour?

The Average TV Uses 0.0586 KWh Of Electricity Per Hour When In On Mode.

When On 75 Inch TVs Use 0.1145 KWh Of Electricity Per Hour, On Average.

On Average, When In On Mode:

• An average 70-inch TV uses 0.1091 kWh of electricity per hour (p/h).
• TVs with 65 inches use 0.0947 kWh of electricity per hour.
• A 55-inch TV consumes 0.077 kWh of electricity per hour.
• The 50-inch TV consumes 0.0705 kWh per hour.
• 43-inch TVs consume 0.0478 kWh per hour.
• TVs smaller than 40 inches consume 0.0341 kWh per hour.
• 32-inch TVs use 0.028 kWh per hour.
• A 24-inch TV uses 0.0198 kWh per hour.
• A 19-inch TV uses 0.0165 kWh per hour.

However, to work out how much electricity your TV uses per hour, use the following formula:

In kWh, TV wattage x 1 hour (i.e. 1 hour) / 1,000

In On mode, the most common 55-inch TV uses 82 watts. This comes out to 0.082 watts. The most common 55-inch TV uses 0.082 kWh of electricity per hour.

However, what about when a TV is off? – How much electricity does the TV uses when it’s turned off?

Here’s How Much Electricity Does A TV Use When Off

When a TV is unplugged or unplugged from the power source, it will not use electricity.

In 107 of the most energy-efficient TVs research study, all use electricity on standby.

On standby, TVs consume 0.5 to 3 watts of electricity.

In the study, most TVs use 0.5 watts on standby, with an average of 1.3 watts.

It’s easy to find out how much it costs to run a TV in standby mode here.

Do TVs Use A Lot Of Electricity?

Yes, many TVs can use a lot of electricity.

CRT and Plasma TVs use a lot of electricity compared to modern, more energy-efficient TVs.

However, even these TVs use a considerable amount of electricity over time.

Modern, efficient TVs consume an average of 58.6 watts at maximum power. This is equivalent to a 60-watt light bulb. However, larger TVs use three to four times as much electricity.

Due to their high usage, TVs use a lot of electricity each year. 

The average TV wattage consumption in the study was 117 watts in on mode and 0.5 watts in standby mode. The study estimates that 206 kWh of electricity is consumed annually.

Electricity used by the most common TV wattage (206 kWh) is equivalent to:

• Running an efficient compact refrigerator for one year.
• Using a standard washing machine for six months.
• Boiling the kettle 2,922 times. 

As a result, TVs use a considerable amount of electricity depending on their usage and wattage.

Let’s take a look at the most energy-efficient TVs on the market.

TVs that are energy efficient

This table lists the lowest wattage TVs based on a study of 107 of the most energy-efficient TVs on the market.

The TV that uses the least wattage is the 17-inch Sceptre – E18 at just 10 watts.

All of the TVs listed above are Energy Star certified.

FAQs

While doing research into the most energy-efficient TVs, I came across a lot of frequently asked questions. I’ll briefly discuss the results of my study.

What is the power consumption of a TV?

On average, TVs consume .49 amps.

TV amperages range from 0.08 amps to 0.98 amps, with .98 amps being the most common.

Moreover, divide the wattage by the voltage to find the amps used by specific TVs.

LED TVs use how many watts?

LED TVs use an average of 59 watts. Moreover, Light emitting diode TVs typically consume 0.5 watts on standby.

One of the lowest wattages LED TVs recorded uses just 10 watts (Sceptre – E18), while the highest uses 117 watts.

LED TVs consume an average of 107.7 kWh of electricity per year.

Edge-lit LED TVs to use 31.2 watts less power than direct-lit LED TVs (62.5 watts).

What is the energy consumption of a 75-inch TV?

An average 75-inch TV uses 114.5 watts in On mode and 2.6 watts in standby mode. 

75-inch TVs typically consume 117 watts when on and 3 watts when in standby mode.

The lowest recorded wattage for a 75-inch TV was 87.3W (0.5W on standby) – VIZIO – E75-F1.

75-inch TVs use an average of 203.36 kWh per year.

How many watts does a 65-inch TV use?

An average 65-inch TV uses 94.7 watts of electricity in On mode and 1.1 watts in standby mode.

A 65-inch TV uses an average of 98.3 watts when it is on and 0.5 watts when it is in standby mode.

The lowest wattage 65-inch TV recorded uses just 72 watts on and 0.5 watts on standby (NEC – E657Q).

65-inch TVs use an average of 169.47 kWh of electricity per year.

How many watts does a 55-inch TV use?

55-inch TVs use an average of 77 watts when on and 1.4 watts when on standby.

In On mode, the most common 55-inch TV wattage is 82 watts, and in standby mode, 0.5 watts.

On a 55-inch TV, the lowest recorded wattage was 62.9 watts while on and 0.5 watts in TV standby mode (MI – L55M5-5ARU).

On average, 55-inch TVs use 130.95 kWh of electricity per year.

What is the wattage of a 32-inch TV?

On average, 32-inch TVs consume 28 watts of electricity when in On mode and 0.7 watts when in standby mode.

Typically, a 32-inch TV uses 26 watts while on and 0.5 watts while on standby.

The lowest wattage 32-inch television recorded uses just 19.3 watts while on and 0.5 watts in standby mode (MI – L32M5-5ARU).

32-inch TVs use an average of 53.81 kWh per year.

Approximately what does a 24 inch TV use in watts

24-inch TVs use an average of 19.8 watts while on and 0.8 watts when on standby.

A typical 24-inch TV wattage is 20 watts in On mode and 0.5 watts in standby mode.

A 24-inch TV with the lowest wattage recorded was 17.6 watts while ON and 0.5 watts in TV Standby mode (VIZIO – D24hn-G9).

On average, 24-inch TVs use 38.09 kWh of electricity per year.

The wattage of Philips TV

Philips TVs consume an average of 88.5 watts when on and 0.5 watts when on standby.

The lowest wattage for a Phillips TV is 58.7 watts while ON and 0.5 watts in TV standby mode (PHILIPS – 43HFL6114U/27).

Philips TVs use on average 168 kWh of electricity per year.

Wattage for Vizio TV

On average, Vizio TVs use 57.5 watts in On mode and 0.5 watts in standby mode.

The lowest wattage measured for a Vizio TV is 17.6 watts while ON and 0.5 watts when on TV standby mode (VIZIO – D24hn-G9).

On average, Vizio TVs use 110.9 kWh of electricity per year.

The wattage of Caixun TV

A Caixun TV uses an average of 77.4 watts when it is on and 2.6 watts when it is on standby.

The lowest wattage recorded for a TV from Caixun is 20 watts while ON and 0.5 watts in TV standby mode (Caixun – LE-24N3).

Caixun TVs use an average of 136 kWh of electricity per year.

The wattage of Furrion TV

On average, Furrion TVs consume 38.8 watts in On mode and 0.5 watts in standby mode.

The lowest power consumption recorded for a Furrion TV is 26.5 watts while ON and 0.5 watts when in TV standby mode (FURRION – FDHS32M4A).

On average, Furrion TVs use 74.4 kWh of electricity per year.

The wattage of Impecca TV

Impecca TVs consume 28.4 watts on average when they’re on and 1.1 watts when they’re on standby.

Impecca TVs have been measured to be 20 watts in On mode and 0.5 watts in Standby mode (IMPECCA – TL2400H).

On average, Impecca TVs use 53.7 kWh of electricity per year.

The wattage of NEC TVs

On average, NEC TVs use 62.5 watts in On mode and 0.5 watts in standby mode.

However, on a NEC TV, the lowest recorded wattage is 27.8 watts while ON and 0.5 watts when in TV standby mode (NEC – E327).

On average, NEC TVs use 121.8 kWh of electricity per year.

The wattage of RCA TVs

Indeed, RCA TVs use 34.5 watts when on and 1 watt when on standby.

For an RCA TV, the lowest wattage recorded is 15 watts, while ON and 0.5 watts are in standby mode (RCA – RT1971-AC).

On average, RCA TVs use 64.9 kWh of electricity per year.

The wattage of Sansui TV

On average, Sansui TVs use 70.7 watts in On mode and 2 watts in standby mode.

A Sansui TV uses 19 watts when on and 3 watts when in standby mode (Sansui – LED-24P28).

On average, Sansui TVs use 127.4 kWh of energy per year.

The wattage of Sceptre TVs

Sceptre TVs use an average of 34.6 watts when on and 0.5 watts when in standby mode.

The lowest wattage noted for a Sceptre TV is 10 watts while ON and 0.5 watts in TV standby mode (Sceptre – E18 – this is the TV with the lowest wattage in a study of 107 of the most energy-efficient TVs on the market).

On average, Sceptre TVs use 60.4 kWh of electricity per year.

Stats for TV Wattage

Below are the data used for this study of the most efficient TVs.

Most of the data came from energystar.gov.

Final Thoughts

Modern TVs have a relatively low average wattage. However, the amount of electricity they consume is high because of their regular use.

TVs have become much more energy-efficient in recent years. The size and resolution of TVs have also increased considerably. As a result, TVs continue to consume a significant amount of electricity.

This list of energy-efficient TVs should help you make a smarter choice, lower your electricity bills, and reduce your carbon footprint.

Get details about the Sceptre TV Problems – Updated Working Solutions 2022

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