With energy bills rising to a cap of £2,500 per year on October 1, many people are looking for ways to save money on gas and electricity, and cooking energy efficiently will definitely save the pennies.
With this in mind, the team at Hometree has revealed the costs of running your cooking appliances, by looking at which ones use the least amount of energy.
It's possible to estimate how much energy each appliance uses by multiplying its power rating in kW by the number of minutes/hours it’s left on.
For example, a microwave may have a power rating of 700W (there are 1000W in a kW), if you run it for 3 minutes it uses 0.035 kWh. Here are the workings of the equation: 0.7 x 3/60 = 0.035kWh.
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1. Slow Cooker - 5p per hour
Slow cookers are making a comeback – and with good reason, in terms of appliances, it's one of the most energy-efficient ways to cook.
Slow cookers have low wattage, so even cooking something for 8 hours will use less energy than an oven or hob.
On average, slow cookers usually use about 1.2kW over the course of 8 hours, which means it will only use around 162.5w per hour, which works out at just 5 pence per hour.
2. Microwaves - 1.98p every 5 minutes
As they can cook or heat food more quickly, microwave ovens use up to 80 per cent less energy than conventional ovens.
On an average 700w microwave, the appliance will use about 0.058kWh of energy if used for around 5 minutes. This will cost around 1.98p when used for 5 minutes.
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3. Air Fryers - 5p every 10 minutes
Air fryers are much more energy-efficient than most convection ovens because they cook food much faster, though they do use electricity, which is typically more expensive than gas. Recent research has shown that cooking in an air fryer costs about half the price of cooking in an oven.
The average air fryer wattage is 1kW, meaning that using an air fryer for around ten minutes would use up to around 0.16kWh of energy. This will cost around 5 pence on average.
4. Hobs (Gas/Electric/Induction) - 17p every 15 minutes
An induction hob uses energy more efficiently than a gas or electric ceramic hob regardless of whether you’re gently heating up soup, simmering chickpeas for hours, or bringing pasta to a boil. This is because no energy is wasted heating the space around the pan.
Electric hobs are your next best bet in terms of efficiency because when you’re cooking with gas, a significant amount of heat is lost to heating up your kitchen, rather than your food. However, electricity is more expensive than gas, so a gas hob may save you a few pounds a year.
The average wattage of an electric hob is 2kW, meaning an electric hob runs at around 0.5kWh if it’s on for 15 minutes. This will cost about 17 pence per use.
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5. Ovens (Gas/Electric) - 34p every 20 minutes
The same applies to ovens and hobs: gas is cheaper than electricity, but electricity is more efficient.
Using your oven every day can be a real drain on power, and therefore finances.
The average wattage of an oven is around 3kW, meaning it uses around 1kwh if run for around 20 minutes, which is about 34 pence.
For more information about Hometree, click here.
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