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Updated · CDR plan data

Gas Plans in Dee Why 2099

What’s the cheapest gas plan in Dee Why?

Cheapest plan, on average

The cheapest gas plan currently available in Dee Why 2099, assuming generic and average household usage and eligibility, is Real Deal at $622/yr from Dodo Power & Gas, as of 4 November 2026. 54 residential plans are compared below.

#1 cheapest · generic estimate
Dodo Power & Gas
Real Deal
$622/yr

This is a generic annual assessment only, and assumes:

#2
HomeDeal Smart - Gas
Alinta Energy · Stepped rate
$661+$40/yr
#3
Residential Smart Saver - Velocity New To AGL
AGL · Stepped rate
$817+$196/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. 54 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 83 gas plans available in Dee Why, New South Wales, 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 Dee Why

Compare 83 gas plans available in Dee Why, New South Wales. Gas network: Jemena Gas (NSW).

Network
Jemena Gas (NSW)
Total Plans
83
Residential
54
Business
29
Updated
4 Nov 2026

By household size

Average gas bill in Dee Why by household size

In Dee Why 2099, estimated annual costs by household size are 1 to 2 people (15,000 MJ a year): $501/yr cheapest, $804/yr average; 3 people (20,000 MJ a year): $622/yr cheapest, $976/yr average; 4 or more people (30,000 MJ a year): $863/yr cheapest, $1,321/yr average.

1 to 2 people
15,000 MJ a year
Cheapest
$501
Dodo Power & Gas · Real Deal
Average of all offers
$804
3 people
20,000 MJ a year
Cheapest
$622
Dodo Power & Gas · Real Deal
Average of all offers
$976
4 or more people
30,000 MJ a year
Cheapest
$863
Dodo Power & Gas · Real Deal
Average of all offers
$1,321

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.

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All plans

Compare every gas plan in DEE WHY

Tariff

Annual cost at 20,000 MJ/yr with the default load curve. Cheapest first. Showing 8 of 54 plans.

Dodo Power & GasReal DealStepped rateSwitch38.19$622
Alinta EnergyHomeDeal Smart - GasStepped rateSwitch52.72$661
AGLResidential Smart Saver - Velocity New To AGLStepped rateSwitch68.73$817
AGLResidential Smart Saver - Westpac New to AGLStepped rateSwitch68.73$817
AGLResidential Smart Saver - BP Fuel New To AGLStepped rateSwitch68.73$817
AGLResidential Smart SaverStepped rateSwitch68.73$817
AGLResidential Smart Saver - VelocityStepped rateSwitch68.73$817
AGLResidential Smart Saver - WestpacStepped rateSwitch68.73$817
#1 · Dodo Power & Gas
Real Deal
$622
Stepped rate38.19c/day
#2 · Alinta Energy
HomeDeal Smart - Gas
$661
Stepped rate52.72c/day
#3 · AGL
Residential Smart Saver - Velocity New To AGL
$817
Stepped rate68.73c/day
#4 · AGL
Residential Smart Saver - Westpac New to AGL
$817
Stepped rate68.73c/day
#5 · AGL
Residential Smart Saver - BP Fuel New To AGL
$817
Stepped rate68.73c/day
#6 · AGL
Residential Smart Saver
$817
Stepped rate68.73c/day
#7 · AGL
Residential Smart Saver - Velocity
$817
Stepped rate68.73c/day
#8 · AGL
Residential Smart Saver - Westpac
$817
Stepped rate68.73c/day

FAQ

Frequently asked questions

What is the cheapest gas plan in Dee Why 2099?
Real Deal from Dodo Power & Gas at 4.33c/MJ, estimated $622/year at 20,000 MJ. Compare all 83 plans above.
Which gas distributor serves Dee Why 2099?
Dee Why 2099 is served by Jemena Gas (NSW). The gas distributor maintains the pipes; your retailer is separate and can be switched without changing supply.
How do I switch gas retailers in Dee Why?
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 Dee Why 2099?
There are currently 83 gas plans available in Dee Why 2099, New South Wales on the Jemena Gas (NSW) 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 Dee Why by household size?
In Dee Why 2099, estimated annual costs by household size are 1 to 2 people (15,000 MJ a year): $501/yr cheapest, $804/yr average; 3 people (20,000 MJ a year): $622/yr cheapest, $976/yr average; 4 or more people (30,000 MJ a year): $863/yr cheapest, $1,321/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 54 residential gas offers serving Dee Why 2099; 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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