Compare gas plans in South Australia
Natural gas in South Australia is supplied through a competitive retail market. Residents can choose their retailer and switch when a more suitable plan becomes available. Average gas rates in SA are currently around 3.05c/MJ with a typical annual bill of $1,480.
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SA gas price overview (2026)
Gas prices in South Australia changed by approximately 5.1% over the past year. Comparing retailers regularly ensures you remain on a competitive plan.
Gas retailers in South Australia
Gas retailers in South Australia include AGL Energy, Origin Energy, EnergyAustralia, ENGIE, and others. Compare plans to find a competitive rate for your household's usage.
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| Provider | Avg rate (c/MJ) | Est. annual bill | Plans |
|---|---|---|---|
Lowest rateENGIE | 2.54c | $1,250 | fixed, variable, bundle |
| 2.61c | $1,290 | fixed, variable, bundle | |
| 2.68c | $1,320 | fixed, variable, bundle | |
| 2.72c | $1,340 | fixed, variable, bundle |
* Estimated annual bills are based on AER Reference Price / ESC VDO benchmarks. Compare live plans for current pricing.
Gas market in South Australia
South Australia has a competitive gas retail market. Gas prices in SA are among the higher of the eastern states, making comparison particularly valuable.
South Australian households rely on gas for heating during cold winters, particularly in Adelaide and the Adelaide Hills. Annual gas bills in SA tend to be higher than in QLD.
Why switch gas providers in South Australia
Many households in South Australia remain on standing offer rates, which are typically the most expensive option available. Switching to a market offer may reduce your annual gas bill — the extent of any saving depends on your current plan, usage, and the options in your postcode.
You can change gas retailers in South Australia without interrupting your supply. Compare available plans, pick a provider, and they manage the changeover.
Also compare electricity plans in South Australia
If your household uses both electricity and gas, you may be able to bundle plans with the same retailer and simplify your billing.
Compare electricity plans in South Australia →Gas plans by suburb in South Australia
Compare gas plans in South Australia
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Frequently asked questions
How do I compare gas plans in South Australia?
Enter your postcode on our gas comparison page to see plans from retailers available in your area. Compare the usage rate (c/MJ), daily supply charge, and any applicable discounts.
What is the average gas bill in South Australia?
Average annual gas bills in South Australia vary by household size, heating usage, and plan type. Households with gas central heating typically use more in winter. Use our comparison tool for an estimate based on your postcode.
Which gas retailers operate in South Australia?
Gas retailers in South Australia include major providers such as AGL, Origin Energy, and EnergyAustralia. Availability varies by postcode.
Can I switch gas retailers in South Australia?
South Australia has a competitive gas retail market. Switching retailers does not interrupt your gas supply — the distribution network remains unchanged. The process typically takes a few business days.
Is there a gas reference price in South Australia?
Unlike electricity, South Australia does not have a single regulated reference price for gas. The Australian Energy Regulator (AER) monitors gas market conduct. Compare plans carefully, paying attention to the usage rate per MJ and daily supply charge to determine the true annual cost.
How we calculate these estimates
The figures below reflect state-level benchmark data from distributor zones across this state.
Estimated costs can vary by usage, tariff type, retailer, distributor, and address. Both supply charges (the daily fixed cost of being connected) and usage rates (c/kWh) affect your total bill. Solar feed-in tariffs vary by retailer and plan. Always review plan details, fees, and conditions before switching.
Data sources
- AER and state gas reference pricing
- Published gas retailer plan information
- Distributor network zone data
These are indicative estimates only. Your actual bill depends on your specific plan, usage patterns, and applicable discounts. Read our full methodology.
Methodology last reviewed: June 2026.
How we make money
EnergyPlans.com.au may receive a commission if you switch through our comparison partner. This does not change the price you pay, but it may influence which plans are available through our service. We do not compare every plan in the market.
Our editorial content, methodology, and benchmark data are independent of any commercial relationship. Always review plan details, including any fees or conditions, before switching. How we make money.
Data shown for South Australia gas.
Last updated: June 2026. Rates are indicative estimates based on published plan data.