The 2026 Winter Gas Outlook: Tighter Supply and Price Uncertainty
While the long-term outlook for Australia’s gas supply has slightly improved, the Australian Energy Market Operator (AEMO) and the ACCC have flagged that the southern states—Victoria, New South Wales, South Australia, and Tasmania—will face a tight gas supply during the peak winter months of 2026. This is due to declining production from southern gas fields, meaning we’ll be more reliant on gas transported from Queensland and drawn from storage facilities like Victoria’s Iona plant. While wholesale gas prices have been moderate in early 2026, contract prices for this year have seen increases, and any unexpected cold snaps or supply disruptions could lead to price spikes for households still reliant on gas for heating, cooking, and hot water.
The ACCC projects the southern states will have a supply gap of 16 PJ in July 2026 alone, highlighting the need for careful management of gas resources.
This guide will provide you with a clear, actionable plan to reduce your home’s reliance on gas, take advantage of generous government rebates, and safeguard your family from winter bill shock by embracing more efficient electric alternatives.
The Smart Move: Strategic Electrification
The most effective long-term strategy to avoid the volatility of gas prices is to strategically electrify your home’s major appliances. This doesn’t just protect you from gas price hikes; it also leverages Australia’s increasingly renewable electricity grid and allows you to capitalise on rooftop solar if you have it. The key is to target the three biggest gas guzzlers in the home: heating, hot water, and cooking.
1. Upgrade Your Heating: Ditch the Gas Heater for a Reverse-Cycle Air Conditioner
Your old gas ducted heater or space heater is likely the biggest contributor to your winter gas bill. The most efficient and cost-effective replacement is a modern, energy-efficient reverse-cycle air conditioner. These systems are incredibly efficient, often using one unit of electrical energy to generate three to five units of heat.
Cost Comparison: Gas vs. Reverse-Cycle Heating
| Appliance Type | Upfront Cost (Installed) | Annual Running Cost (Winter) | State Rebates Available (2026) |
|---|---|---|---|
| Gas Ducted Heater | $4,000 - $8,000+ | $900 - $1,600+ | Limited to no rebates for new gas |
| Reverse-Cycle AC | $2,500 - $6,000 | $400 - $900 | VIC: Up to $1,000+ (VEU) SA: Significant discounts (REPS) |
Top-Rated Reverse-Cycle Air Conditioner Models for 2026:
- Daikin Cora Series: A popular choice for its reliability and wide range of capacities.
- Mitsubishi Electric MSZ-AP Series: Known for its excellent efficiency and quiet operation.
- Fujitsu Lifestyle Range: Offers a good balance of features and performance.
Action Plan: Get a quote from an accredited installer in your state to understand the upfront cost after rebates. In Victoria, the Victorian Energy Upgrades (VEU) program can provide substantial upfront discounts, making the switch highly affordable. South Australian households can access similar benefits through the Retailer Energy Productivity Scheme (REPS).
2. Hot Water: The Unsung Hero of Energy Savings
Hot water is the second-largest energy user in most homes. Switching from a gas storage or instantaneous system to a heat pump hot water system can slash your water heating costs by up to 75%. Heat pumps work like a reverse fridge, extracting heat from the ambient air to heat your water, making them incredibly efficient.
Product Comparison: Heat Pump Hot Water Systems
| Model | Approx. Upfront Cost (Installed, Post-Rebate) | Key Features | Best For |
|---|---|---|---|
| Rheem Ambiheat 270L | $2,500 - $3,500 | Reliable, good service network | 4-person households |
| Stiebel Eltron WWK/SHP Series | $4,000 - $5,000+ | Premium German engineering, high efficiency | Long-term investment, solar owners |
| iStore 270L | $2,800 - $3,800 | Good value, can utilise excess solar PV | Budget-conscious solar households |
Action Plan: Many states offer generous rebates for heat pump hot water systems. Victorian residents can combine a VEU rebate with a Solar Victoria rebate of up to $1,000, significantly reducing the purchase price.
3. Cooking: Make the Switch to Induction
Gas cooktops are only about 32% efficient, with a lot of heat escaping into your kitchen. Induction cooktops are around 85% efficient, heating the pot or pan directly through magnetism. They are faster, safer (the surface stays cool), and easier to clean. While the upfront cost is a consideration, the running costs are lower, and you’ll make significant savings by disconnecting your gas supply entirely, saving on daily supply charges which can be over $1.00 per day.
Product Comparison: Induction Cooktops
| Model | Approx. Price (2026) | Key Features | Best For |
|---|---|---|---|
| Westinghouse 60cm 4 Zone | $799 - $1,299 | Great value, reliable performance | First-time induction users |
| Bosch Series 6 60cm | $1,500 - $2,500 | Precise control, quality build | Keen home cooks |
| Miele 60cm 4 Zone | $2,500 - $3,500+ | Premium build, smart integration | High-end kitchens |
Action Plan: Measure your current cooktop cutout and look for models that will fit. You will need an electrician for installation, which may cost between $300 and $800. Remember to factor in the savings from eliminating your gas connection fee when calculating the total benefit.
Understanding Your Electricity Bill in 2026
As you switch to electric appliances, it’s crucial to be on the right electricity plan. The Australian Energy Regulator (AER) has released its draft Default Market Offer (DMO) for 2026-27, which indicates that electricity prices are set to fall for many households in NSW, SE Queensland, and South Australia. This is largely due to the increasing amount of renewable energy in the grid.
Look out for new “solar sharer” offers, which may provide free electricity during the middle of the day to encourage the use of abundant solar energy. This is perfect for running your new heat pump hot water system or other appliances.
Bottom Line
The predicted 2026 winter gas squeeze is a clear signal for Australian households to accelerate their transition away from volatile and increasingly expensive fossil fuels. The most impactful and financially savvy approach is to prioritise the replacement of your gas heating with a high-efficiency reverse-cycle air conditioner. This single upgrade will deliver the most significant reduction in your winter energy bills.
Take advantage of the substantial state government rebates available in 2026, particularly the VEU program in Victoria and the REPS scheme in South Australia, which dramatically lower the upfront cost of these upgrades. By strategically electrifying your home, starting with heating, you not only insulate yourself from future gas price shocks but also create a more comfortable, cheaper-to-run, and sustainable home for the years to come.