Beatrice Lang
With rising energy prices, many people are looking for ways to save energy and reduce their bills. One way to do this is by choosing the right time to do laundry. The best time to do laundry to save energy is during off-peak hours, typically between 11 pm and 7 am, when energy demand and rates are lower. Doing laundry every other week instead of every week can also reduce electricity costs by up to 50%. Additionally, using energy-efficient appliances, lowering temperature settings, and waiting for a full load of laundry can further reduce energy consumption and costs.
| Characteristics | Values |
|---|---|
| Time of day | Low-demand hours, typically between 11 pm and 7 am, are best for saving electricity. |
| Frequency | Doing laundry less frequently will save more electricity. |
| Load size | It's more efficient to wait for a full load before doing laundry, as the machine uses the same energy regardless of the load size. |
| Cycle type | Use a faster spin cycle to extract more water, reducing drying time. Cold water settings also save electricity, as they don't require additional energy to heat the water. |
| Machine type | Modern machines are more energy-efficient than older ones. ENERGY STAR-certified machines are 20-25% more efficient. |
| Other appliances | Using other large appliances during off-peak hours can also help to reduce overall electricity consumption. |
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What You'll Learn
Do laundry during off-peak hours
Doing laundry during off-peak hours is a great way to save electricity and money. The best time to do laundry varies depending on the season, your energy plan, and your personal schedule.
During the winter, it is generally recommended to do laundry in the evenings or late at night when energy usage is lower and rates are cheaper. This is because, in the early morning hours, energy demand is high as people turn on their heaters. By waiting until later in the day when energy demand is lower, you can take advantage of lower electricity rates.
In the summer, it is best to do laundry early in the morning when energy demand is lower. This is because, in the afternoons and early evenings, energy demand spikes as people return home from work and turn on their air conditioning.
Additionally, it is important to check your electric plan to identify peak hours and avoid doing laundry during those times. Peak hours typically occur on weekdays, and by shifting your laundry to off-peak hours, you can take advantage of lower rates and potentially rely more on renewable energy sources, such as wind and solar power.
To optimize your energy savings, combine off-peak hours with other energy-saving strategies. This includes using cold water settings, which are suitable for cleaning 99% of items, and doing laundry less frequently. You can also invest in energy-efficient appliances, such as an ENERGY STAR-certified washing machine, which uses about 20-25% less energy.
Lastly, consider staggering your laundry with other energy-intensive tasks, such as running the dishwasher or using the oven. By timing these tasks to avoid peak hours and spread out energy usage, you can further reduce your overall energy consumption and costs.
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Use cold water settings
Using cold water settings is one of the most effective ways to save electricity when doing laundry. Here are some reasons why you should opt for cold water settings and how to make the most of this energy-saving practice:
Firstly, cold water is suitable for cleaning most of your laundry items. Studies show that cold water can effectively clean up to 99% of the items in your wash. It is only necessary to use warm or hot water for challenging stains such as grease or grass. By separating these heavily soiled items and doing them together on an occasional warm or hot setting, you can save energy and money on your everyday laundry by using cold water.
Secondly, heating water consumes a significant amount of energy. When you use the hot water setting on your washing machine, your water heater has to work harder, resulting in increased electricity usage and costs. By opting for cold water, you can reduce the workload on your water heater and conserve energy.
Additionally, using cold water settings can prolong the lifespan of your clothes. Hot water can cause clothing to fade and shrink over time, whereas cold water is gentler on fabrics and helps maintain their colour and shape. This means your clothes will last longer, reducing the need to replace them frequently and indirectly saving you money.
To maximise the benefits of using cold water settings, it is advisable to invest in high-efficiency laundry detergent (HE). These detergents are specifically formulated for cold water cycles and will ensure your clothes come out clean and fresh. Also, consider using a faster spin cycle if your washer has this option. This will extract more water from your clothes, reducing the time needed for drying.
Remember, while using cold water is a simple and effective way to save electricity, combining it with other practices, such as doing laundry during off-peak hours and waiting for a full load, will further maximise your energy and cost savings.
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Wait for a full load
Waiting for a full load before turning on your washing machine is one of the best ways to save electricity. A washer will use the same amount of energy regardless of the size of the load, so doing multiple small loads throughout the week will cost you more than waiting for a full load.
How often you should do laundry depends on how quickly you fill up your washer. If you have a large household, you might be able to fill up your washer after a day or two. If you live alone, you might need to wait a week or more before you have enough laundry to process. In general, doing your laundry every other week instead of every week results in a ~50% reduction in electricity costs.
The definition of a "full load" will vary from washer to washer. Check your washer's manual for specific guidelines. A good rule of thumb is to add clothes loosely, leaving a six-inch gap at the top. If you pack your washer too tightly, your clothes might not get as clean as they would in a looser load.
If you need to do laundry more frequently than once every week or two, consider waiting until the weekend to turn on your washer. During the week, energy demand is higher in the afternoons and early evenings when people return home from work and switch on the air conditioner. On weekends, energy demand is more consistent throughout the day, so you can do laundry whenever it's convenient for you.
In addition to waiting for a full load, there are other ways to save electricity when doing laundry. For example, using the "cold" setting on your washer instead of "warm" or "hot" can help lower your electricity bill.
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Reduce washing frequency
Reducing the frequency of your washes is a simple way to save electricity. Firstly, it is worth noting that a washing machine uses the same amount of energy regardless of the size of the load. Therefore, it is more efficient to wait until you have a full load before doing a wash. This will also reduce the number of times you need to do laundry, saving electricity.
You could also consider doing your laundry every other week instead of every week. This will reduce your electricity costs by around 50%. Less frequent washing will also help your clothes to last longer, as they will be subject to less wear and tear.
If you are able to, it is also worth considering investing in a new washing machine. Modern machines are more efficient and can complete a load using as little as 0.2kW of power, assuming you are using a cool cycle. An ENERGY STAR-certified washing machine will use around 20% less energy than one that is not certified.
Finally, it is worth noting that the time of day and season can impact the amount of electricity used when doing laundry. In the winter, it is best to do laundry late at night when energy usage and rates are lower. In the summer, it is best to do laundry early in the morning when energy demand is lower.
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Choose energy-efficient appliances
Choosing energy-efficient appliances is a great way to save electricity when doing the laundry. Firstly, look out for the ENERGY STAR® label. These appliances have been certified for their energy efficiency. For example, an ENERGY STAR®-certified washing machine will use about 20% less energy than one that is not certified. Clothes washers with this label use nearly 35% less water and 25% less energy than standard washers.
When shopping for a washing machine, a front-loading machine is the most eco-friendly option. They use an average of only 10 gallons per load, and their faster drum spin extracts more water, reducing dryer time.
If you are purchasing a dryer, look for one with a moisture sensor that automatically shuts off the machine when your clothes are dry. This will save energy and is also easier on fabrics. Dryers with advanced sensors earn the Energy Star designation, using about 20% less energy than conventional dryers.
Another option to consider is a heat pump dryer. These are the most energy-efficient type of dryer as they remove moisture from clothing without the need for a heating element. They can reduce energy use by nearly 30% according to ENERGY STAR®.
Finally, when it comes to detergent, opt for a high-efficiency laundry detergent (HE). These are formulated for high-efficiency machines and allow the machine to wash clothes effectively while using lower water levels and shorter cycles.
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Frequently asked questions
It is recommended to do your laundry every other week instead of every week, as this can reduce electricity costs by 50%.
The best time to do laundry is during off-peak hours, which will depend on your electricity provider. Typically, this is between 11 pm and 7 am. During these hours, there is less demand for electricity, so it is cheaper and you will be using cleaner and greener energy sources.
Yes, besides doing laundry less frequently and at the right time of day, you can also:
- Opt for the "cold" setting on your washing machine, as heating water uses more electricity.
- Use short cycles.
- Keep dryer filters clean.
- Only use your washing machine when you have a full load.
- Purchase an energy-efficient washing machine.
