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A Guide to Appliance Power Usage & Running Costs

KITCHEN

Usage (approx) 

Costing from (incl GST)  
Breadmaker 1/2 unit 10c to 19c Per loaf
Cake Mixer 1/4 unit 5c to 10c Per hour
Carving Knife 1/4 unit 5c to 10c Per hour
Coffee Percolator 1/2 unit 10c to 19c Per hour
Cook Top (each element) 1 1/4 units 25c to 49c Per hour
Crockpot 3/4 unit 15c to 29c Per hour
Dishes 1/2 unit 10c to 19c Per sink
Dishwasher (using ECO dry) 1 3/4 units 35c to 68c Per load
Dishwasher (without ECO dry) 2 1/4 units 45c to 88c Per load
Electric Frying Pan 1/2 unit 10c to 19c Per hour
Electric Jug 1/4 unit 5c to 10c Per boil
Freezer (chest) 2 units 40c to 78c Per day
Freezer (vertical) 2 3/4 units 55c to $1.07 Per day
Fridge (small) 1 unit 20c to 39c Per day
Fridge/Freezer 3 units 60c to $1.17 Per day
Microwave 1 unit 20c to 39c Per hour
Oven (roast) 3 1/4 units 60c to $1.27 Per roast
Oven (scones) 1 1/4 units 25c to 49c Per batch
Radio (kitchen) 1/4 unit 5c to 10c Per 3 hours
Rangehood 1/4 unit 5c to 10c Per hour
Toaster (2 slice) 1/4 unit 5c to 10c Per 15 mins
Waste disposal 1/4 unit 5c to 10c Per hour
LAUNDRY Usage (approx) Costing from (incl GST)  
Clothes dryer 2 units 40c to 78c Per hour
Iron 1 unit 20c to 39c Per hour
Washing Machine (cold wash)  1/4 unit 5c to 10c Per load
Washing Machine (hot wash) 4 3/4 units 92c to $1.64 Per load
Washing Machine (warm wash) 2 units 40c to 78c Per load
LIGHTS Usage (approx) Costing from (incl GST)  
15 Watt Energy Saver bulb (up to 75 Watts of light output) 1/10 unit 2c to 4c Per 6 hours
20 Watt Energy Saver bulb (up to 100 Watts of light output) 1/8 unit 3c to 5c Per 6 hours
60 Watt bulb 1/4 unit 5c to 10c Per 6 hours
100 Watt bulb 1/2 unit 10c to 19c Per 6 hours
150 Watt bulb 1 unit 20c to 39c Per 6 hours
WATER HEATING Usage (approx) Costing from (incl GST)  
Bath (large) 7 units $1.33 to $2.42 Per bath
Bath (small) 4 1/2 units 86c to $1.56 Per bath
Shower 3 3/4 units 71c to $1.30 Per 10 mins
HEATING Usage (approx) Costing from (incl GST)  
Bar heater 1kW 1 unit 20c to 39c Per hour
Bar heater 2kW 2 units 40c to 78c Per hour
Fan heater 2kW 2 units 40c to 78c Per hour
Fan heater 2.4kW 2 1/2 units 45c to 88c Per hour
Heat pump 2 kW (up to 6kW of heat output) 2 units 40c to 78c Per hour
Heated towel rail 3/4 unit 15c to 29c Per 12 hours
Oil filled heater 1 kW (small) 1 unit 20c to 39c Per hour
Oil filled heater 2 kW (medium) 2 units 40c to 78c Per hour
Oil filled heater 2.4kW (large) 2 1/2 units 46c to 78c Per hour
OTHER APPLIANCES Usage (approx) Costing from (incl GST)  
Alarm Clock (digital) 1/4 unit 5c to 10c Per day
Computer 1/4 unit 5c to 10c Per hour
Dehumidifier 300kW 3 units 60c to $1.17 Per 10 hours
DVD player 1/4 unit 5c to 10c Per hour
Electric Blanket (double) 1/2 unit 10c to 19c Per 3 hours
Electric Blanket (single) 1/4 unit 5c to 10c Per 3 hours
Fan 1/4 unit 5c to 10c Per 3 hours
Hair Dryer 1/4 unit 5c to 10c Per 10 mins
Power Drill 1/4 unit 5c to 10c Per hour
Shaver 1/4 unit 5c to 10c Per week
Spa pool 8 units $1.61 to $3.12 Per day
Stereo Unit 1/4 unit 5c to 10c Per hour
Swimming pool filter 9 3/4 units $1.96 to $3.80 Per day
Television & LCD TV 1/4 unit 5c to 10c Per hour
Television - Plasma (42 inch) 1/2 unit 10c to 19c Per hour
Vacuum Cleaner 1/2 unit 10c to 19c Per hour
Video player 1/4 unit 5c to 10c Per hour
Water bed (queen) 4 1/2 units 91c to $1.75 Per day
Water blaster 2 units 40c to 78c Per hour

One unit of electricity equals one kilowatt hour (kWh).  The appliance running costs shown above are based on 2011 unit prices (per kWh) for TrustPower's 24 Hour and Controlled electricity options, on our most common pricing plans in each of our main areas.  Prices vary in different regions depending on energy, line and retail charges.  The wattage of any appliance, is the maximum amount of electricity the appliance could use in one hour.  Many appliances have built in thermostats that will lower the cost considerably.