Cheapest gas rates in Melbourne by retailer

Cheapest gas rates in Melbourne should be judged by total annual cost, not a single cents-per-MJ claim. Gas bills are shaped by the daily supply charge, winter heating load, hot-water demand and whether the property uses gas for cooking, heating or both.

Quick answer

Compare gas plans by daily supply charge, usage rate in cents per MJ, bill frequency, exit terms and your winter consumption. Victoria does not use a gas default offer benchmark, so the plan document and annual usage history matter more than headline discounts.

Melbourne gas facts to anchor the comparison

Victoria does not use a gas default-offer benchmark in the same way electricity uses the VDO, so recent usage history matters more than a public reference price. CompareUs' Victorian gas page notes the Winter Gas Concession at 17.5% for eligible households and the Excess Gas Concession threshold at $2,598.58, which shows how state support can materially change a winter bill.

Retailer and contract checks

Compare retailers active in Melbourne, such as AGL, Origin, ENGIE, Alinta, EnergyAustralia, Red Energy, Tango and others available at the address. Use the same annual MJ usage and the same bill assumptions on each quote. A plan with a lower usage rate can still lose if the daily supply charge is materially higher or if the contract includes awkward payment conditions.

Supply charge, usage rate and seasonal demand

Gas use is highly seasonal in Melbourne. A small apartment with gas cooking only has a different bill shape from a family home with ducted gas heating and continuous-flow hot water. On low usage, the daily supply charge can dominate. On high winter usage, the cents-per-MJ rate becomes more important. That is why you should compare an annual estimate based on real usage, not a single month bill.

Concessions and payment support

Eligible Victorian households should confirm the Winter Gas Concession, the Excess Gas Concession and any Utility Relief Grant Scheme support before comparing final annual cost. If the account holder changes during a move or switch, the first bill should be checked to make sure the concession still appears.

What to do before you switch

Collect 12 months of MJ usage if possible, compare current gas offers at /gas and /gas/vic, then use /calculators/gas-cost to test what a 1 c/MJ or 10 c/day difference means over the year. If the home uses electric heating and gas only for cooking, the cheapest gas plan can look very different from a heater-heavy household.

Gas bill maths example

A gas quote should be tested with simple annual maths. If a plan is 1 c/MJ cheaper and the home uses 25,000 MJ a year, that is about $250 saved before GST and concessions. If the same plan charges 15 c/day more in fixed supply charge, that adds about $54.75 a year. High-heating households should therefore focus on the MJ rate, while cooking-only homes should focus more on the daily charge.

Melbourne households with gas heating should also think seasonally. Winter bills can be several times larger than summer bills, so a plan that looks fine in February can become expensive in July. A proper comparison uses one full year of usage if possible, not a single mild-weather bill.

Checks for the first bill after switching

The first bill should show the right meter number, bill dates, annualised usage pattern and concession status. If the household receives the Winter Gas Concession or another support payment, make sure it appears. If the daily supply charge or usage rate differs from the fact sheet, raise that immediately rather than waiting for the next winter bill.

Questions worth asking the gas retailer

Ask whether the quote assumes the same annual MJ usage as your recent bills, whether the daily supply charge is fixed for the current benefit period, whether there are direct debit or payment-processing conditions and how quickly the plan can change after a move or meter update. If the household heats with gas, ask how the plan performs on a heavy winter profile rather than a mild-weather estimate.

If the home is all-electric except for cooking, ask the retailer to explain the fixed supply charge in annual dollars so you can judge whether keeping gas connected still makes financial sense. That practical question often matters more than a minor difference in the MJ rate.

Sources and methodology

This guide uses CompareUs' Victorian gas reference and practical household usage scenarios. It avoids naming one universal cheapest retailer because Melbourne gas costs depend on usage intensity, appliance mix, postcode and current retailer offers.