Wiktor Wise
Many people are looking for ways to save electricity, both to lower their energy bills and to reduce their environmental impact. One common question is whether taking the plug out saves electricity. The answer is yes, as any switched-on charger that is plugged in will still use electricity, even if the device is not attached. This is known as phantom energy, and it can add up to significant costs over time. Some devices, such as TVs, cable boxes, and entertainment systems, are particularly energy-intensive, even when not in use. By unplugging devices when not in use, using power strips, and investing in smart home technology, individuals can reduce their energy usage and save money on their electricity bills.
| Characteristics | Values |
|---|---|
| Does taking the plug out save electricity? | Yes |
| What is the term used to describe the usage of electricity by devices that are turned off but still plugged in? | Phantom load, vampire energy, or phantom energy |
| How much electricity is wasted by devices that are always plugged in? | The U.S. Department of Energy estimates that approximately 10% of the average household electric bill is due to phantom energy loads. The Natural Resources Defense Council estimates that this costs the average US household around $165 every year, which is approximately 4.6% of total household electricity generation in the country. |
| What are some ways to reduce energy usage? | Unplugging appliances when not in use, using smart plugs, using power strips, choosing appliances with lower standby power usage, and keeping appliances in good repair. Other ways to cut electricity bills include installing solar panels and getting cavity wall or loft insulation. |
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What You'll Learn
Standby mode and screen savers still use electricity
While it may seem convenient to leave your appliances on standby or let your screensaver take over when you step away from your computer, these features still draw power and contribute to your electricity bill.
The electricity used by appliances on standby or with a screen saver varies depending on the make and model. However, the average amount of energy consumed by gadgets on standby or in a non-active state falls between 9% and 16% of a home's total energy bill. This "phantom energy" or "vampire power" is used by appliances with a timer, digital clock or display, standby mode, and other energy-consuming features.
Entertainment systems, such as TVs, cable boxes, sound bars, and DVD players, are some of the biggest culprits when it comes to wasting power. Even when not in use, they continue to draw a considerable amount of electricity. Similarly, computers, modems, monitors, and phone chargers consume a significant amount of electricity when left plugged in, even if they aren't actively charging a device.
To save energy and reduce your electricity bill, it is recommended to unplug appliances when not in use. Smart power strips can be particularly useful in this regard, as they allow you to cut off power to multiple devices with a simple flip of a switch. Additionally, you can use a handheld electricity monitor or a power usage monitor to determine which appliances in your home utilize the most energy when powered down.
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Chargers use electricity even when not charging
It is a good idea to unplug chargers when they are not in use. Chargers do use electricity even when they are not actively charging. This is due to the presence of internal circuitry that remains active to detect when a device is connected and initiate the charging process. Research suggests that phone chargers typically consume around 0.1 to 0.5 watts of electricity when they are plugged in but not actively charging a device. The power draw of a phone charger is so low that it's nearly impossible to measure without sensitive tools. It is estimated that a phone charger draws between 0.05W to 0.1W or less of power in standby mode.
The amount of electricity produced from this only costs a few pence, but it will shorten the shelf life of the charger. So, it is recommended to unplug and switch off the charger when not in use. While it may not make a significant difference to your power bill, unplugging chargers can help reduce energy wastage and promote energy efficiency.
There are several other ways to save electricity and reduce your power bill. For example, you can install solar panels to cut down on electricity bills, providing a clean and free way of powering your house. You can also consider getting cavity wall or loft insulation to help store heat and reduce heat loss through the walls and roof of your house. Additionally, you can adopt energy-saving habits such as using energy-efficient light bulbs, unplugging appliances that are not in use, and turning off appliances at the switch when they are not in use.
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Vampire power and phantom power
According to the Lawrence Berkeley National Laboratory, vampire energy accounts for up to 10% of the electric usage in the average American household. The U.S. Department of Energy estimates that phantom energy loads make up about 10% of the average household electric bill. The Natural Resources Defense Council (NRDC) estimates that the annual cost of plugged-in devices when not in use is around $19 billion, or about $165 for every household. Vampire power in the United States costs consumers more than $3 billion a year.
Examples of devices that use vampire power include computers, modems, monitors, TVs, phone chargers, cable boxes, and kitchen appliances. Even a switched-on charger that is plugged in will still use electricity, regardless of whether the device is attached or not. Vampire power can be reduced by cutting off the power supply to the device, either by unplugging it or using a power strip and turning off the switch.
Smart plugs are a cost-effective solution to help reduce vampire power. They allow you to control the flow of power to appliances and electronics remotely, and most models incorporate a timer or scheduling feature.
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Smart power strips can help reduce energy usage
Unplugging devices can help save electricity and reduce energy usage. Even when switched off, plugged-in devices continue to draw power, with some sources referring to this as "vampire loads". Vampire loads can account for between 9% and 16% of a home's total energy bill, costing households up to £95 per year.
Smart power strips can help address this issue by cutting power to devices that are in standby mode. Traditional power strips allow multiple devices to be plugged into a single outlet, but these devices will still draw power if they are plugged in, even when not in use.
Smart power strips, on the other hand, can detect when a device is in standby mode and cut the power to it, preventing unnecessary energy consumption. This makes them particularly useful for devices like smart TVs, laptop computers, cable boxes, and other entertainment devices, which are known to consume energy even when they appear to be turned off.
By incorporating smart power strips into your home office or entertainment centres, you can easily manage multiple devices and ensure that power is only being drawn when needed. This can lead to significant energy and cost savings over time, especially when combined with other energy-saving practices, such as choosing energy-efficient appliances and improving home insulation.
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Older appliances are less energy efficient
Older appliances with mechanical switches, for example, will continue to draw power even when turned off. This is because the switch still needs power to function, and so it remains connected to the power supply. Modern appliances, on the other hand, often use electronic switches that require no power to remain in the off position.
In addition, older appliances may not have been designed with energy efficiency in mind. For example, an older model fridge freezer may not have the same level of insulation as a newer model, and so it will require more energy to keep the interior cool. Similarly, an older washing machine may use more water and electricity to run a cycle than a newer model designed with water and energy conservation in mind.
Replacing older appliances with newer, more energy-efficient models can help reduce electricity usage and lower energy bills. When upgrading appliances, it is worth considering the energy efficiency rating and choosing models with lower standby power usage. Smart plugs and power strips are also a cost-effective solution, allowing remote control over the power supply to multiple appliances.
Other ways to improve energy efficiency include installing solar panels and cavity wall or loft insulation. Simple habits such as unplugging chargers once a device is fully charged, turning off appliances at the wall, and only plugging in appliances when they are in use can also help reduce electricity usage and save money.
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Frequently asked questions
Yes, taking the plug out does save electricity. Even when they are turned off, some appliances continue to draw power, and the only way to truly power them down is by unplugging them.
Phantom power, also known as vampire power, is a term used to describe the behind-the-scenes usage of electricity by appliances with a timer, digital clock or display, standby mode, and other energy-consuming features.
Computers, TVs, cable boxes, phone chargers, and entertainment systems are some examples of appliances that use phantom power.
The amount of electricity used by phantom power can vary depending on the make and model of the appliance. The U.S. Department of Energy estimates that approximately 10% of the average household electric bill is due to phantom power loads.
In addition to unplugging appliances, you can reduce your electricity usage by installing solar panels, using smart power strips, choosing energy-efficient appliances, and improving home insulation.
