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74. WELS & The Energy Rating Label - Water Efficiency Labelling and Standards (WELS) Scheme - Cost Savings

Using water efficient products could save Australians more than $2 billion by 2030. That’s an average saving of $175 â€‹per household each year. 65% of these savings are from reduced electricity and gas costs from avoided water heating. 35% of these savings are from reduced water bills. The below table shows where in the household these savings can be made.

Shower 

For every 1L/m less, 12,000L / $35 p.a. saved

  • 3-star shower that flows at 9L/min will save 70kL and $210 each year
  • 4-star shower that flows at 6L/min will save 105kL and $315 each year
  • Figures based on replacing a 15L/m shower. An equivalent amount (or more) each year on energy could be saved because less water will be heated.

Taps

For every 1L/m less, 2,000L / $5.50 p.a. saved

  • 3-star tap that flows at 9L/min will save 11kL and $33 each year
  • 6-star tap that flows at 4L/min will save 20kL and $60 each year
  • Figures based on replacing a 15L/m shower. An equivalent amount (or more) each year on energy could be saved because less water will be heated.

Toilets

For every L per flush less, 6,000L / $17.50 p.a. saved

  • A toilet with an average flush of 3.5L will save 50kL and $148 each year
  • Figures based on replacing a 12L single flush toilet.

Washing Machine

For every 10L per load, 3,700L / $11 p.a. saved

  • A 6kg, 6-star rated machine that uses 30L per load will save 18kL and $54 each year.
  • Figures based on 1 load a day replacing a 3 star, 80L per load machine.

Dishwasher

For every 10L per wash, 3,700L / $11 p.a. saved

  • A 6-star, 14 place dishwasher that uses 9.5L per will save 3.5kL and $20 each year.
  • Figures based on 1 wash a day replacing a 2 star, 19L per wash machine.
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