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WattMateWattMate

Western Australia's solar and battery platform. Free and independent.

Fighting dodgy deals and bill shock, one rooftop at a time.

08 9429 8803
admin@wattmate.com.au

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© 2026 WattMate Pty Ltd · ABN 27 687 682 220
Supporting members of the Clean Energy Council

Warming up the energy hub...

Want more detailed analysis?

Home energy assessment

Scan your appliances with your camera, upload a bill, and get savings suggestions written for your home.

Product index

Every CEC-approved home battery, inverter and solar panel available in WA, with specs and warranty terms.

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A second opinion on any quote you've been given. Sparky checks it against WA prices, the CEC lists and the rebate rules.

Pool pump efficiency calculator
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Pool pump efficiency calculator

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Independent — installers pay us a flat referral fee, never a percentage of your price. We match you with WA installers in the WattMate network, and we may check an installer's ABN against the Australian Business Register.

Build my full energy planGet free quotes

25-year solar ROI projection

A WA estimate that includes 0.5% annual panel degradation and 2% yearly electricity price rises.

$8,500
$2,200/yr
Payback

4 yrs

25-year savings

$66,053

Total ROI

677%

1
$2,200
2
$4,433
3
$6,699
4
$8,999
5
$11,333
6
$13,702
7
$16,106
8
$18,546
9
$21,022
10
$23,535
11
$26,086
12
$28,675
13
$31,302
14
$33,968
15
$36,674
16
$39,420
17
$42,207
18
$45,036
19
$47,907
20
$50,821
21
$53,778
22
$56,779
23
$59,825
24
$62,916
25
$66,053
Before payback After payback System cost
Net profit: $57,553

Pool pump efficiency calculator

See what a variable-speed pool pump saves on running costs for a typical Australian pool.

Pool pumps are often the biggest energy user in Australian homes with pools, consuming 2,000-3,000 kWh/year. Variable-speed pumps can reduce this by 65-75%, saving $600-900 annually.

Average: 40,000-60,000L

Typical: 1000-2000W

Recommended: 6 hours

Quality brands: $900-$1,800

Energy reduction65% less
Current annual cost

$1456.79

4380 kWh/year

New annual cost

$509.88

1533 kWh/year

Annual savings

$946.91

$78.91/month

Payback period

1.3 years

15 months

10-year net savings

$8269.12

Pool pump optimisation tips

  • •Variable-speed pumps use inverter technology - run longer at lower speeds for better filtration & efficiency
  • •Run during off-peak hours if on time-of-use tariff (typically 10pm-7am in WA)
  • •Pair with solar - run pump during the day to use free solar power
  • •Clean filters regularly - dirty filters make pumps work harder
  • •Reduce runtime in winter - pools need less circulation in cooler months
  • Estimated to pay for itself in about 1.3 years.
Estimates only — not financial advice

This calculator provides estimates only and does not constitute financial, tax, or legal advice. Actual savings, payback periods, and rebate amounts depend on your specific usage, solar generation, electricity plan, and the WA Battery Scheme/STC rules current at the time of purchase — figures shown here may not reflect current rates.

Consult a licensed installer, financial adviser, or your electricity retailer before making a purchase decision. WattMate is not responsible for financial decisions made based on these estimates.

Assumptions

  • Variable-speed pump modelled at 35% of current pump power on average
  • Seasonal factors: year-round 100%, mainly summer 75%, summer only 50%
  • Recommended runtime: 6 hours per 50,000 L of pool volume
  • Synergy A1 (WA) usage rate default: 0.3326 $/kWh

Generated by WattMate Energy Hub. Estimates only — final figures depend on system + tariff details.

Energy calculators for WA homes | WattMate