Modern slow cookers can consume as little as 0. This makes it possible for a slow cooker to operate during an 8-hour period and still costs no more than cents. Of course, this number will fluctuate depending on factors such as the size of the slow cooker, what temperature the slow cooker is operating at and the total time of the cooking cycle.
While there are variations in the amount of wattage used depending on which model of slow cooker you buy and which heat settings you use, most modern models will fall between and watt range. Slow cookers use a volt alternating-current electric power supply, or what you know to be the power socket in your wall.
This volt alternating-current ranges from a 0. To calculate how many watts of electricity your slow cooker uses, you simply take the lowest setting and its watts and multiply it by how many hours you are cooking for. For example, if your Crock Pot only uses 70 watts on the lowest setting and you cook for 6 hours, your slow cooker will consume watts.
If you have a larger Crock Pot that uses watts on low, and you cook with it for 6 hours, it will consume 1, watts. Of course, the higher the setting and the larger the Crock Pot, the more electricity is needed to power it. When comparing a slow cooker versus a stovetop with regards to energy efficiency, it can be difficult to know which one wins out.
With a stovetop or oven, the wattage amount per hour is at a higher threshold, ranging anywhere between and watts, while the power needed for a slow cooker is between watts. Unlike a slow cooker which heats continuously, a stovetop will only heat the element when it notices a drop-in temperature. Calculating the cost of running a stove uses the exact same method that we would use for a slow cooker.
The main difference is that the amperage and voltage of a stove or oven is going to be drastically higher than a slow cooker. The cooking time, however, is generally less when using a stove or oven. So what kind of numbers does this yield? Much larger numbers than our slow-cookers. Using our equations from earlier, we see that a stove drawing 30 amps would use 6. However, stove-top cooking time is usually less than a full hour.
Using an oven also requires a higher electrical draw. The main variable to consider with an oven is that the primary electrical draw is during its heating cycle. While the oven is heating to the desired temperature, it will be using a considerably larger amount of energy than after it reaches that temperature and the heating unit shuts off. This makes the power consumption of an oven less than what it would be simply doing the hypothetical math. To have a completely accurate calculation of the energy use of an oven, you would need to track the cumulative time that the heating element is functioning, not just simply the cook time.
Overall, the slow cooker is going to be more cost-efficient than using an electric stove-top or oven. The trade-off for using the stove-top or oven is going to be in the much shorter cook times compared to using a slow cooker. However, slow cooker temperatures will vary based on cook time, brand, model, etc. Some meals, like a ham, do not require any liquid to be added. According to Low Cost Living UK, a blog focusing on frugality and self-sufficiency, a watt slow cooker which runs for 8 hours a day will generate an average electricity usage of 1.
NimbleFins, an insurance and budgeting website from the UK, say that a slow cooker on low settings of 70 watts uses 0. According to nPower, a British energy company, the average 3. A blog post from The Diary of A Frugal Family states that using your slow cooker for over an eight hour period will use around 0.
The Centre for Sustainable Energy estimates that average electricity usage of an electric oven is between On the other hand, a slow cooker uses approximately 0.
An article published by The Telegraph states that the electricity usage of slow cookers range between 75 and watts on low settings and between and watts on high settings. Depending on their size, slow cooker wattage runs from as little as 50 watts to over watts. Another important feature of any slow cooker is the glass lid. Water vapor from cooking condenses out as water and collects in this groove.
This actually keeps the lid stuck in place and forms a low-pressure seal. Ideally, you want to cook with just the right amount of liquid so that there will be the right amount of pressure. Use the right amount of liquid. As already mentioned, since the dish is covered, little liquid evaporates during cooking that also include alcohol — go easy on the wine. Also avoid overfilling it. Choose the right cuts of meat.
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