Top 3 water users

Water & energy savings calculator

Find out how you can save money on your water and energy bills - and reduce your greenhouse gas emissions.

Enter your details		Always check the labels		Assumptions
How many people live in your home? Select your hot water system type				Costs		Greenhouse gas emission factors
				Water $/kL	Electricty Peak cents/kWh	Electricity kg/kWh
				Electricty Off peak cents/kWh	Gas cents/MJ	Gas kg/MJ
Water efficient showers				Every year you will save

	How long do you shower for? minutes	Current shower	New shower	Water savings	Energy savings	GHG Savings
	How long do you shower for? minutes	litres per minute	litres per minute	litres		kg
	Water Efficiency Labels tell you the maximum flow rate The maximum for 3 Star is 9 litres per minute Standard shower flow rate is about 12 litres		litres per minute	litres		kg
Installing a new toilet				Every year you will save
	Total toilet flushes per day - based on an average of 5 per person =	Current toilet	New toilet	Water savings
				litres
Water efficient clothes washers*				Every year you will save
How many loads do you wash per week?		Current washer	New washer	Water savings	Energy savings	GHG Savings
	EITHER Choose the star ratings: (Only valid for models purchased in 2001 or later)	Water star rating	Water star rating	litres		kg
		Energy star rating	Energy star rating
			Capacity in kg
	OR Enter the energy and water use figures for your current washer, and for the new washer (Leave blank if you want to use star ratings)	kWh per year	kWh per year
		Litres per load	Litres per load
Annual savings
Every year you will save:							litres of water**
Every year you will save:					in energy and water costs
Every year you will save:					kg of greenhouse pollution***

* Assumes warm wash cycle used and water heated in the machine. Cold water washing will result in much smaller savings
** The average household swimming pool contains about 40,000 litres
*** If you buy 100% GreenPower your greenhouse savings will be zero if you have an electric water heater as you aren't producing any direct greenhouse gases to heat water