Name: Neptune NPX2500
Brand: Neptune
SKU: APP0339

Electricity pricec/kWh

Pool volumelitres

Turnoversper day

Nameplate power: 1,750 W; Variable speed
Energy rating: 6
Annual electricity use: 519 kWh; Label: 519 kWh · 1.4 kWh per day
Estimated running cost: $166 / year; $1,661 over 10 years

Efficiency (WEF): 35.2 L/Wh · 143 L/min at the label test point

2% less electricity than the median of 31 comparable 1,500 w and above variable speed pool pump registrations (531 kWh a year on the label basis). It uses less than 58% of them. At your rates that is about $4 a year less than the median, $38 over 10 years.

How efficient is it for its size?

median 531452691

kWh per year. Bar: the middle 80% of 31 comparable 1,500 w and above variable speed pool pump registrations. Dot: this model (below the median). Hover or tab to a mark for its value.

Cohort: every currently registered 1,500 w and above variable speed pool pump sold in Australia, counted once per registration, on the label usage basis.

Pool pumps that use less electricity

Same type and size group, at least 3% lower annual kWh on the label basis.

Model	Power	Stars	kWh / yr	Est. cost / yr	Uses less than
Badu BADU Delta Eco VS1,990 W444 kWh/yr	1,990 W	7	444	$142	90% of similar
Maytronics ecoclear 1400-VS 2.0 hp1,990 W444 kWh/yr	1,990 W	7	444	$142	90% of similar
Badu BADU Eco future1,990 W444 kWh/yr	1,990 W	7	444	$142	90% of similar
Hayward ESP2300HVS1,990 W452 kWh/yr	1,990 W	7	452	$145	87% of similar
Reltech GEN3-V51,400 W461 kWh/yr	1,400 W	6	461	$147	95% of similar

kWh and cost on the label usage basis; the product page adjusts to your usage.

Pool pumps similar to the Neptune NPX2500

Model	Power	Stars	kWh / yr	Est. cost / yr	Uses less than
Astral Pool 11547 (Viron XT P320C)1,725 W514 kWh/yr	1,725 W	6	514	$164	61% of similar
Pureblue OnyxVS3201,725 W505 kWh/yr	1,725 W	6	505	$162	68% of similar
Emaux ETV/ECFV1651,700 W524 kWh/yr	1,700 W	6	524	$168	52% of similar
Emaux ECFV1651,700 W524 kWh/yr	1,700 W	6	524	$168	52% of similar
Zenflow ZFVS1651,700 W524 kWh/yr	1,700 W	6	524	$168	52% of similar
Hayward TS540VS1,780 W547 kWh/yr	1,780 W	6	547	$175	45% of similar
Reltech GEN3-V8+1,850 W489 kWh/yr	1,850 W	6	489	$157	74% of similar
Theralux TVSPRO 2.25HP1,850 W489 kWh/yr	1,850 W	6	489	$157	74% of similar

kWh and cost on the label usage basis; the product page adjusts to your usage.

Compare NPX2500 with another pool pump

Neptune NPX2500 specifications

Pump type: Variable speed
Nameplate input power: 1,750 W
Measured input power: 1,750 W
Current: 8.0 A
Weighted energy factor (WEF): 35.152 L/Wh
Daily run time to pump 50,000 L: 5.84 h
Effective flow at test point (derived): 143 L/min
“High” (as registered): 1,285.0
“Low” (as registered): 1,285.0
Annual energy (label): 519.2 kWh
Star rating index: 6.21
Country of manufacture: –

“High” and “Low” are published in the registration without a documented unit; we do not interpret them. Effective flow is derived from the label test (50,000 L in the daily run time).

Australian GEMS registration details

Registration number: APP0339
GEMS registration id: 165098
Status: approved
Available until: 5 November 2029
Registered for sale in: Australia, Fiji, New Zealand
Family: –
Regulatory standard: Greenhouse and Energy Minimum Standards (Swimming Pool Pump-units) Determination 2021
Test standard: AS 5102.1-2019

Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 9 February 2026; last checked 20 September 2026. Manufacturer: poolpro.com.au. How the derived figures are calculated.