As a home electronics expert with a keen interest in energy efficiency, I've often been asked about the cost of running various appliances, including televisions. Running a 32-inch television can be a very cost-effective way to enjoy your favorite shows and movies, especially when considering the advancements in energy-efficient technologies such as LED and OLED displays.

To calculate the cost of running a 32-inch TV, we need to consider several factors:


1. Type of TV: Different types of TVs consume different amounts of power. For instance, LED TVs are more energy-efficient compared to older plasma or CRT models.


2. Power Consumption: This is measured in watts (W) and can be found in the TV's specifications or user manual. The average power consumption for a 32-inch LED TV is around 50-70 watts, but this can vary.


3. Hours of Use: How many hours per day does the TV run? The more it's used, the higher the cost.


4. Electricity Rate: The cost per kilowatt-hour (kWh) varies by region and can significantly affect the running cost.

Using the provided reference, which assumes an electricity rate of 11 cents per kWh and a baseline usage of 5 hours per day, we can perform a basic calculation. Let's take a 32-inch LED TV with an average power consumption of 60 watts (0.06 kW):

\[ \text{Daily Cost} = \text{Power Consumption (kW)} \times \text{Hours of Use} \times \text{Electricity Rate (cents/kWh)} \]
\[ \text{Daily Cost} = 0.06 \text{ kW} \times 5 \text{ hours} \times 11 \text{ cents/kWh} \]
\[ \text{Daily Cost} = 0.33 \text{ cents/day} \]

To find the annual cost, we multiply the daily cost by 365 days:
\[ \text{Annual Cost} = 0.33 \text{ cents/day} \times 365 \text{ days} \]
\[ \text{Annual Cost} = 120.45 \text{ cents/year} \]
\[ \text{Annual Cost} = \$1.20 \text{/year} \]

This is a very rough estimate and the actual cost can be higher or lower depending on the specific model of the TV and the electricity rates in your area. Additionally, the cost can be reduced by using energy-saving features and turning off the TV when not in use.

It's also worth noting that larger TVs, such as 65-inch plasmas, will have a higher power consumption and thus a higher running cost. According to the reference, a 65-inch plasma could cost anywhere from $38 per year, which is significantly more than the 32-inch LED.

In conclusion, running a 32-inch TV is relatively inexpensive, especially when compared to larger models. However, it's always a good idea to check the specific power consumption of your TV and compare it with your local electricity rates to get a more accurate estimate.

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The label assumes a price for electricity (11 cents/kWh) and a baseline usage (5 hours per day). The cost is tiny. A typical label can read anywhere from $6 for 32-inch LEDs to $38 for 65-inch plasmas (PDF). Per year.Apr 17, 2013read more >>