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News 29 May 2025

Kitchen Energy Savings Advice


Appliances cost per hour

Appliance Kilowatt-hourCost per Hour

Oven

2.1 kWh

73 cent

Grill

1.5 kWh

52 cent

Electric hob

2 kWh

70 cent

Microwave

1 kWh

35 cent

Dishwasher

1.5 kWh

52 cent

Toaster

1 kWh

35 cent

Kettle**

3 kWh

14 cent / 2 mins x 4 times a day

Air fryer

1.3 kWh

45 cent

Slow cooker

0.16 kWh

6 cent

Coffee machine

0.8 kWh

28 cent

Rice cooker

0.5 kWh

17 cent

Blender

0.5 kWh

17 cent

Fridge freezer

1.429 kWh

50 cent

*The costs shown are based on Electric Ireland’s Standard 24-hour Rate of €0.3475 per kWh (non-Smart), including VAT, as of November 2024. Final electricity and gas bills include an annual standing charge, PSO payment (electricity only), and carbon tax (gas only). Appliance costs are estimated based on hourly continuous use. Actual expenses will vary with usage patterns.

**Kettle: Estimated cost of 14 cent is based on 2 mins x 4 times a day of usage at 3000 watt/hour and an electricity rate of €0.3475/kWh.

Energy advice 

  • Cook efficiently: Where you can, cook with lower wattage appliance such as an air fryer, slow cooker. It also helps to plan meals and batch cook.

  • Dishwasher: Fill the machine correctly and only run when full. Also consider air drying dishes when possible. Use the eco setting on your dishwasher.

  • Fridge-gazing: Did you know that leaving the fridge door open for just 1 minute can take 10 minutes to cool back down? This can waste over 100kWh of energy a year, which is like vacuuming for 3 days straight! So, try to keep fridge-gazing to a minimum!

  • Microwave: Avoid using them to defrost food; instead defrost overnight in your fridge.

  • Kettle: If you’re making a quick cuppa, only boil the amount of water you need.

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