How to Reduce Your Energy Bills in 2026: Australian Guide to Cheaper Power

2 March 2026|7 min read

Cut hundreds off your electricity and gas bills with this practical Australian guide. Learn about government rebates, retailer switching, solar ROI, time-of-use tariffs, and the appliances costing you the most.

Government energy rebates you should be claiming

The federal government's $300 energy bill rebate continues in 2026, automatically applied in quarterly $75 credits to every household electricity account — you do not need to apply. Beyond this, state-level rebates add significantly more for eligible households. Victoria's Power Saving Bonus gives eligible residents $250 via the Victorian Energy Compare website. Queensland's Cost of Living Rebate provides up to $1,000 off electricity bills for eligible households. NSW offers the Low Income Household Rebate ($285/year) and the Gas Rebate ($121/year) for concession card holders. South Australia provides the Cost of Living Concession up to $289.85 per year. If you hold a Pensioner Concession Card, Health Care Card, or Commonwealth Seniors Health Card, you almost certainly qualify for state energy concessions — contact your retailer or check your state's energy comparison website. Combined, eligible households can access $500–$1,300 in annual energy rebates.

Switch retailers using Energy Made Easy

The Australian Energy Regulator's Energy Made Easy (energymadeeasy.gov.au) is the official government comparison tool for electricity and gas plans. Unlike commercial comparison sites that earn commissions, Energy Made Easy shows every available plan in your area with no bias. Victorian residents should use the Victorian Energy Compare site instead. Simply enter your postcode and upload a recent bill to see estimated annual costs across all retailers. The difference between the cheapest and most expensive plan in the same area can be $400–$800 per year for an average household. Look beyond the headline discount percentage — retailers advertise '25% off' but this is often off a higher reference price. Focus on the estimated annual cost and check for conditional discounts (pay-on-time, direct debit) that may not suit your situation. Set a calendar reminder to compare again every 12 months, as benefit periods expire and better deals emerge constantly.

Solar panels: the ROI case in 2026

A standard 6.6kW rooftop solar system costs approximately $4,000–$7,000 after STCs (Small-scale Technology Certificates, the federal solar rebate) depending on your state and installer. Feed-in tariffs have dropped to 3–8 cents per kWh in most states, down from 44+ cents a decade ago, which means the financial case for solar now rests primarily on self-consumption — using the power you generate rather than exporting it. A well-oriented 6.6kW system generates roughly 24–30 kWh per day depending on location, enough to offset $1,200–$1,800 in annual electricity costs if you use 40–60% of generated power during daylight hours. Payback periods currently range from 3–5 years, making solar one of the best household investments available. Adding a battery ($8,000–$14,000 for 10–13kWh) extends savings into the evening but stretches the payback to 8–12 years — batteries remain marginal economically without state subsidies.

Time-of-use tariffs and when to run appliances

If you are on a time-of-use electricity tariff, the price you pay per kilowatt-hour varies dramatically depending on the time of day. Peak rates (typically 2pm–8pm on weekdays) can be 40–55 cents per kWh, while off-peak (typically 10pm–7am) drops to 15–22 cents per kWh. Shoulder periods fall in between. Running your dishwasher, washing machine, and dryer during off-peak hours instead of peak can save $200–$400 per year. Most modern appliances have delay-start timers — set your dishwasher to run at 10pm and your washing machine overnight. If you have solar, the strategy shifts: run heavy-draw appliances during daylight hours (10am–2pm) when your panels are generating maximum power, effectively running them for free. Pool pumps, which draw 1–2kW and run for 6–8 hours daily, should absolutely be on a timer aligned with either off-peak or solar generation hours — this single change can save $300–$500 per year.

The appliances costing you the most

Heating and cooling account for 20–50% of Australian household energy costs. A ducted reverse-cycle air conditioner running 8 hours per day in summer costs $4–$8 per day depending on the system efficiency and size. Setting your thermostat to 24°C in summer instead of 21°C reduces cooling costs by roughly 30%. In winter, heating to 20°C instead of 23°C achieves similar savings. Hot water is the second-biggest energy expense at 15–25% of the bill. If you have an old electric storage hot water system, it could be costing $600–$900 per year to run — a heat pump hot water system cuts this to $150–$250 and may qualify for government rebates of $1,000+. Standby power from devices left on at the wall — televisions, gaming consoles, chargers, microwaves — adds $100–$200 per year to the average household bill. Smart power boards that cut standby power automatically pay for themselves within months.

Hot water system upgrades and rebates

Replacing an electric storage hot water system with a heat pump is one of the highest-return energy upgrades available. Heat pumps use 60–75% less energy than conventional electric systems, saving $400–$700 per year on electricity. A quality heat pump unit costs $3,000–$5,000 installed, but federal Small-scale Technology Certificates (STCs) provide $800–$1,000 off, and state rebates add more: Victoria offers up to $1,000, NSW up to $1,000, and South Australia provides interest-free loans. With combined rebates, out-of-pocket costs can be as low as $1,500–$2,500, delivering a payback period of 3–5 years. Brands to consider include Reclaim, Sanden, iStore, and Rheem. For households with solar panels, running a heat pump during peak solar generation (midday) means your hot water is effectively free. Gas hot water users should also consider switching: gas prices have risen 15–20% in recent years and are forecast to continue increasing.

Quick wins to cut your energy bill this week

Start with free or low-cost changes that deliver immediate savings. Switch all remaining halogen and incandescent bulbs to LED — a single LED downlight saves $15 per year compared to a halogen, and a house with 30 downlights saves $450 annually. Seal gaps around doors and windows with weatherstrip tape ($10–$30 from Bunnings) to reduce heating and cooling losses — the average Australian home leaks the equivalent of a one-metre-square hole through gaps and cracks. Clean your air conditioner filters monthly during heavy-use seasons; dirty filters force the system to work 15–20% harder. Reduce your hot water thermostat to 60°C (the minimum safe temperature to prevent legionella). Use cold water for washing clothes — modern detergents work effectively at any temperature, saving $50–$80 per year. Block direct sun on west-facing windows in summer with external blinds or shade cloth for an immediate reduction in cooling costs.