Updated · CDR plan data

Gas Plans in Napperby 5540

What’s the cheapest gas plan in Napperby?

Cheapest plan, on average

The cheapest gas plan currently available in Napperby 5540, assuming generic and average household usage and eligibility, is Freedom Residential Gas at $891/yr from COVAU PTY LIMITED, as of 4 November 2026. 22 residential plans are compared below.

#1 cheapest · generic estimate
COVAU PTY LIMITED
Freedom Residential Gas
$891/yr

This is a generic annual assessment only, and assumes:

#2
Origin Affinity Variable ePlus Ongoing - One Big Switch
Origin Energy · Stepped rate
$931+$40/yr
#3
Origin Aff Var ePlus Ongoing -OBS- New & Move Cust Only
Origin Energy · Stepped rate
$931+$40/yr

That is the generic ‘best-priced’ plan answer. The actual best-priced plan for you may well be different.

As of 4 November 2026. 22 residential plans compared. Bill Hero takes no commission from any retailer, so this ranking can’t be bought. Methodology

But you’re not average, are you?

There are 32 gas plans available in Napperby, South Australia, and only one of them is the best-priced for you.

The generic 'best plan' assumes a reference consumption level, a generic load curve extrapolated annually, excludes incentives and welcome credits, and excludes solar, battery and EV from the ranking. Your bill has the real information - upload it here and I'll run a personalised comparison based on your unique combination of actual usage, tariff type and location. It takes about a minute to find out what's really the best plan for you.
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Review all gas plans in Napperby

Compare 32 gas plans available in Napperby, South Australia. Gas network: Australian Gas Networks.

Network
Australian Gas Networks
Total Plans
32
Residential
22
Business
10
Updated
4 Nov 2026

By household size

Average gas bill in Napperby by household size

In Napperby 5540, estimated annual costs by household size are 1 to 2 people (15,000 MJ a year): $743/yr cheapest, $815/yr average; 3 people (20,000 MJ a year): $891/yr cheapest, $984/yr average; 4 or more people (30,000 MJ a year): $1,186/yr cheapest, $1,322/yr average.

1 to 2 people
15,000 MJ a year
Cheapest
$743
COVAU PTY LIMITED · Freedom Residential Gas
Average of all offers
$815
3 people
20,000 MJ a year
Cheapest
$891
COVAU PTY LIMITED · Freedom Residential Gas
Average of all offers
$984
4 or more people
30,000 MJ a year
Cheapest
$1,186
COVAU PTY LIMITED · Freedom Residential Gas
Average of all offers
$1,322

Usage bands are indicative household sizes, not a measurement of any particular home. Costs are the plans’ own published annual estimates at each usage.

You’re not average, are you?

These prices are based on average consumption benchmarks.

Your actual consumption will be higher or lower than that, which influences what the best-priced plan for you is. The only way to find out for real is to do a proper bill analysis based on your actual consumption.

Upload your bill now for a quick and free one-time assessment, or subscribe, and Bill Hero will automatically analyse and compare every bill for you for a full year and help you switch whenever you can save.

All plans

Compare every gas plan in NAPPERBY

Annual cost at 20,000 MJ/yr with the default load curve. Cheapest first. Showing 8 of 22 plans.

COVAU PTY LIMITEDFreedom Residential GasStepped rateSwitch82.12$891
Origin EnergyOrigin Affinity Variable ePlus Ongoing - One Big SwitchStepped rateSwitch85.89$931
Origin EnergyOrigin Aff Var ePlus Ongoing -OBS- New & Move Cust OnlyStepped rateSwitch85.89$931
Origin EnergyOrigin Affinity Variable Ongoing - ComparableStepped rateSwitch86.85$940
Origin EnergyOrigin Affinity Variable Ongoing - Compare ClubStepped rateSwitch86.85$940
Origin EnergyOrigin Affinity Variable Ongoing - Compare the MarketStepped rateSwitch86.85$940
Origin EnergyOrigin Affinity Variable Ongoing - Go SwitchStepped rateSwitch86.85$940
Origin EnergyOrigin Affinity Variable Ongoing - iSelectStepped rateSwitch86.85$940
#1 · COVAU PTY LIMITED
Freedom Residential Gas
$891
Stepped rate82.12c/day
#2 · Origin Energy
Origin Affinity Variable ePlus Ongoing - One Big Switch
$931
Stepped rate85.89c/day
#3 · Origin Energy
Origin Aff Var ePlus Ongoing -OBS- New & Move Cust Only
$931
Stepped rate85.89c/day
#4 · Origin Energy
Origin Affinity Variable Ongoing - Comparable
$940
Stepped rate86.85c/day
#5 · Origin Energy
Origin Affinity Variable Ongoing - Compare Club
$940
Stepped rate86.85c/day
#6 · Origin Energy
Origin Affinity Variable Ongoing - Compare the Market
$940
Stepped rate86.85c/day
#7 · Origin Energy
Origin Affinity Variable Ongoing - Go Switch
$940
Stepped rate86.85c/day
#8 · Origin Energy
Origin Affinity Variable Ongoing - iSelect
$940
Stepped rate86.85c/day

FAQ

Frequently asked questions

What is the cheapest gas plan in Napperby 5540?
Freedom Residential Gas from COVAU PTY LIMITED at 5.26c/MJ, estimated $891/year at 20,000 MJ. Compare all 32 plans above.
Which gas distributor serves Napperby 5540?
Napperby 5540 is served by Australian Gas Networks. The gas distributor maintains the pipes; your retailer is separate and can be switched without changing supply.
How do I switch gas retailers in Napperby?
Choose a plan on this page and click Switch. Bill Hero manages the switch for you — there's no interruption to supply.
How many gas plans are available in Napperby 5540?
There are currently 32 gas plans available in Napperby 5540, South Australia on the Australian Gas Networks gas network.
How often are gas prices updated?
Bill Hero updates plan data daily from the Consumer Data Right (CDR) energy API. Prices reflect the latest published rates from each retailer.
What is the average gas bill in Napperby by household size?
In Napperby 5540, estimated annual costs by household size are 1 to 2 people (15,000 MJ a year): $743/yr cheapest, $815/yr average; 3 people (20,000 MJ a year): $891/yr cheapest, $984/yr average; 4 or more people (30,000 MJ a year): $1,186/yr cheapest, $1,322/yr average.

Methodology and data

Plan rates and annual cost estimates are read from the Consumer Data Right (CDR) energy plan register, which every retailer is required to publish, and refreshed daily. This page lists 22 residential gas offers serving Napperby 5540; last refreshed 4 November 2026.

No regulated reference price is published for gas on this network, so no percentage comparison is shown.

Bill Hero takes no commission, no referral fee and no placement payment from any retailer. Plans are ranked only by estimated annual cost, so the ordering on this page cannot be bought.

Source: Consumer Data Right (CDR) Energy Plan Data · Full methodology

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