Your Appliances Are Energy Hungry!

But Which Have The Biggest Appetite?


Guscott Heating Services

energy efficiency

Powercuts. Annoying, right? Ever found yourself realising that you can’t boil the kettle or charge your phone or take a warm shower? What about the food in the freezer?! It’s only when it’s gone that we realise how reliant we are on electricity and how much we take it for granted. Despite this reliance, energy use doesn’t come free and contributes significantly to our monthly outgoings.

Whether you’re trying to be mindful with your energy consumption or you’re curious about how much electricity your different appliances use, we hope to help debunk any myths and help you make smarter choices with our handy guide below.

Watch out for those hungry appliances!

energy efficiency

Which appliances use the most electricity?

  1. Electric shower

The biggest offender! It takes a lot of energy to heat your shower water and can use in excess of 1,460 kWh in a year. 

How much power does an electric shower use?

Electric showers are sized in kilowatts (kW). Generally, a smaller property will have a 7.5 to 8.5 kW shower, whereas bigger homes can have up to a 10.5 kW appliance. A 10 kW shower uses approximately one kWh of energy in six minutes. As an example, if you take the average-sized UK household of four people and assume that everyone is having one six-minute shower per day, you could be using four kWh of energy per day, or 1,460 kWh in a year. 

This is a large percentage of your energy bill, and you may be able to reduce costs by encouraging shorter or less frequent showers.

  1. Tumble dryer

Your tumble can consume approximately 675-kilowatt hours (kwH) per year, costing around £90 per year to run. The good news; It’s easy to reduce your electricity consumption by hanging your washing out to dry instead. If a path or patio is dry, then your washing should dry too, even if it’s relatively cold outside.

  1. Plasma TV

The average Brit spends over three hours per day watching TV and therefore it’s worth considering how much this form of entertainment could cost you in electricity. Plasma TVs use a huge amount of electricity, however, more modern LED TVs use considerably less and often have smart functions built in to improve efficiency. 

How much electricity does a TV use?

A plasma TV uses slightly less energy per year than a tumble dryer at 658 kWh. This is based on average usage, and therefore how much or little time you spend watching TV could affect this usage.

However, it’s worth considering that LED TVs use significantly less than this at around 119 kWh. In order to further reduce the energy consumption of your television, you may want to consider turning it off completely rather than leaving it on standby and looking for an ‘eco’ setting that could improve the efficiency even more.

  1. Kitchen Appliances

Your kitchen appliances use a large percentage of your total electrical energy, and the dishwasher, fridge/freezer, washing machine, oven and hob were all in the top 10 appliances that use the most electricity. So, how do they fare?

Appliance (kWh per year)

  • Dishwasher 480
  • Fridge/freezer 425
  • Washing machine 420
  • Cooker with electric hob 315
  • Oven (without hob) 290
  • Hob only 225

How much electricity does a fridge use per day?

The average fridge-freezer uses around 425 kWh of electricity per year, however, if you have a particularly large fridge or a separate fridge and freezer, this figure could increase. Based on the figure above, your fridge could be using approximately 1.2 kWh of electricity per day.

  1. Kettle

We Brits love a cup of tea, but all that kettle boiling could result in lots of electricity usage. In fact, the kettle uses approximately 165 kWh per year. 

How much does it cost to boil a kettle?

Generally, it costs around two pence to boil a kettle that’s half full and four pence to boil a full kettle. In the UK, the average person drinks up to four cups of tea a day meaning you could be spending between eight and 16 pence in total. If you’re making a cup of tea for two people, it’s much better to only fill the kettle with as much water as you need. As you can see, filling the kettle to the top can double your energy usage, taking your average annual kettle bill from £29 up to £58 – a surprising difference!

But what about the appliances that use the least amount of electricity?

Appliance (kWh per year)

Extractor fan 12

Grill 14

Vacuum cleaner 19

Toaster 20

Iron 30

Coffee machine 30

*Data comes from the Energy Savings Trust’s report (correct as of March 2021).

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