Average Gas Bill In Sydney [1, 2, 3, 4+ Person Household]

Wondering how much the typical gas bill is in Sydney? Are you paying a similar price to your neighbours? Let's find out.

Average Gas Bill in Sydney

Your gas bill depends greatly on 2 things - your usage and your gas plan. There are 90 residential gas plans on offer in Sydney in July 2025, each with their own rates.

We've run the numbers across all of these plans, and here's what we've found.

1 Person Households

Based on government benchmark data, a 1 person household in Sydney (climate zone 5) typically has an energy usage profile like this:

• Summer - 1,340 kWh
• Autumn - 2,168 kWh
• Winter - 4,033 kWh
• Spring - 2,294 kWh

For single rate plans (flat usage rates all the time), the average gas bill in Sydney ranges from $25 to $52 per month.

Here's a sample of a few of these plans, from cheapest to most expensive.

2 Person Households

Based on government benchmark data, a 2 person household in Sydney (climate zone 5) typically has an energy usage profile like this:

• Summer - 2,219 kWh
• Autumn - 3,901 kWh
• Winter - 6,990 kWh
• Spring - 3,835 kWh

For single rate plans (flat usage rates all the time), the average gas bill in Sydney ranges from $43 to $90 per month.

Here's a sample of a few of these plans, from cheapest to most expensive.

3 Person Households

Based on government benchmark data, a 3 person household in Sydney (climate zone 5) typically has an energy usage profile like this:

• Summer - 2,841 kWh
• Autumn - 4,636 kWh
• Winter - 7,858 kWh
• Spring - 4,643 kWh

For single rate plans (flat usage rates all the time), the average gas bill in Sydney ranges from $50 to $106 per month.

Here's a sample of a few of these plans, from cheapest to most expensive.

4 Person Households

Based on government benchmark data, a 4 person household in Sydney (climate zone 5) typically has an energy usage profile like this:

• Summer - 3,538 kWh
• Autumn - 5,593 kWh
• Winter - 9,172 kWh
• Spring - 5,857 kWh

For single rate plans (flat usage rates all the time), the average gas bill in Sydney ranges from $61 to $128 per month.

Here's a sample of a few of these plans, from cheapest to most expensive.

5 Person Households

Based on government benchmark data, a 5 person household in Sydney (climate zone 5) typically has an energy usage profile like this:

• Summer - 4,117 kWh
• Autumn - 6,728 kWh
• Winter - 11,055 kWh
• Spring - 6,900 kWh

For single rate plans (flat usage rates all the time), the average gas bill in Sydney ranges from $72 to $153 per month.

Here's a sample of a few of these plans, from cheapest to most expensive.