For Australian homeowners with rooftop solar, understanding feed-in tariffs (FiTs) is crucial for maximising savings. In 2026, the landscape is complex: while headline FiT rates have generally decreased, strategic choices in energy plans, battery storage, and Virtual Power Plant (VPP) participation can significantly boost your earnings. The key takeaway for 2026 is that self-consumption of your solar power is far more valuable than exporting it to the grid, typically saving you 20-30 cents per kilowatt-hour (c/kWh) on avoided retail purchases, compared to earning 3-10 c/kWh for exports.

However, for any excess energy you do export, securing the best FiT is still essential. This guide breaks down current rates by state, explains the controversial ‘Sun Tax’, and provides actionable strategies to maximise your solar investment in 2026.

Australia’s Solar Feed-in Tariff Landscape in 2026

Feed-in tariffs are credits on your electricity bill for excess solar energy your system exports to the grid. These rates vary significantly by state, retailer, and even specific energy plans. While premium FiT schemes from a decade ago offered rates as high as 60-66c/kWh, current rates are considerably lower, reflecting increased solar penetration and lower wholesale electricity prices during daylight hours.

The average electricity price across Australia can be around 30c/kWh, while median feed-in tariffs often sit at 3-5c/kWh, highlighting the financial benefit of using your own solar power.

Here’s a breakdown of current (August 2026) FiT ranges across key states:

StateRegulated Minimum FiT (2026)Typical FiT Range (c/kWh)Highest Reported FiT (c/kWh)Key Retailers for High FiTs
NSWNone (IPART benchmark 3.4-6.5c/kWh)4 - 1010 (Alinta, GloBird)Alinta Energy, GloBird Energy, Amber Electric
VICNone (ESC minimum 0.04c/kWh for 2025-26, average 0.8c/kWh)0 - 88 (EnergyAustralia)EnergyAustralia, CovaU
QLDRegional: 6.006 (Ergon)3 - 10 (SE QLD)22 (Origin, VPP plans)Origin Energy, Amber Electric, Energy Locals, Alinta Energy, GloBird Energy
SANone5 - 822 (Origin, VPP plans)EnergyAustralia, Origin Energy, AGL
WANone (DEBS rates)0 - 10 (Peak)10 (Peak)Synergy (DEBS)
ACTNone4 - 1010ActewAGL, Local Retailers
TASNone9.276 (Aurora)9.276 (Aurora)Aurora Energy
NTNone9.30 - 12.112.1Local Retailers

Note: Some retailers, like AGL, offer 0c/kWh FiT on their Standard Retail Contracts from July 1, 2026. Always check the specific terms of your plan, including daily export limits or tiered rates.

The ‘Sun Tax’: Solar Export Charges in 2026

The informal term ‘Sun Tax’ refers to Two-Way Pricing or Solar Export Charges, a network tariff reform approved by the Australian Energy Market Commission (AEMC) in 2021. This is not a government tax, but rather a small fee applied by network distributors for exporting solar power to the grid during periods of high solar saturation, typically between 10 am and 3 pm.

As of 2026, the ‘Sun Tax’ is live in New South Wales and South Australia. Queensland had a proposal rejected, and Victoria is not expected to implement such charges until 2031.

For a typical 5kW rooftop solar system in NSW, the annual impact of the ‘Sun Tax’ is estimated to be a minimal $6 to $14 per year. This low cost is due to free export thresholds, meaning charges only apply if you exceed a certain daily export limit (e.g., ~6.8 kWh/day or 192 kWh/month for a 5kW system).

The purpose of these charges is to encourage solar owners to self-consume more of their generated power during the middle of the day, store it in batteries, or shift exports to times when the grid truly needs it (like late afternoons and evenings). This helps manage grid congestion and stability.

Maximising Your Solar Earnings in 2026

With lower FiTs and the introduction of export charges, maximising your solar investment requires a proactive approach beyond simply exporting excess power.

1. Prioritise Self-Consumption

This is the most impactful strategy. Using your solar power directly avoids purchasing electricity from the grid at retail rates (e.g., 25-35c/kWh), which is significantly more valuable than earning a few cents per kWh for exports. Shift energy-intensive activities like running dishwashers, washing machines, or charging electric vehicles (EVs) to daylight hours when your panels are producing.

For deeper insights into optimising your energy usage, consider reading our guide: Best Home Energy Monitoring Systems in Australia 2026: Unlock $1,000+ Annual Savings.

2. Invest in a Solar Battery

A solar battery allows you to store excess daytime solar generation for use during the evening peak, further reducing your reliance on grid power and maximising self-consumption. In May 2026, the average installed price for a 10kWh solar battery, including the federal rebate, ranges from $8,000 to $10,000.

Federal and State Battery Rebates (2026):

  • Federal Cheaper Home Batteries Program: Launched July 1, 2025, and expanded May 1, 2026, this scheme offers around $252 per usable kWh of battery capacity, equating to potential savings of up to $3,800 for popular household batteries (capped at $6,416 for the first 50kWh of storage). This discount is applied upfront by your installer.
  • New South Wales: While no direct upfront rebate, the Peak Demand Reduction Scheme (PDRS) offers incentives of $1,600-$2,400 for battery installation, plus $250-$400 for VPP connection. Interest-free loans up to $14,000 are available under the Empowering Homes Program for eligible households.
  • Victoria: The state’s interest-free battery loan program closed in May 2025, but the federal rebate applies. Solar Victoria still offers a solar panel rebate of up to $1,400 and an optional interest-free loan of up to $1,400 (household income cap changes to $150,000 from July 1, 2026).
  • Western Australia: Eligible households can combine the federal rebate with the WA Residential Battery Scheme, offering $130/kWh for Synergy customers and $380/kWh for Horizon customers (up to 10kWh).
  • ACT: Interest-free loans of up to $15,000 are available for new solar battery installations.

Popular battery models like the Tesla Powerwall 3 are available, typically costing $15,000-$17,000 installed before rebates or VPP incentives.

Consider if a battery retrofit is right for your existing solar system: Is a Home Battery Retrofit Worth It in Australia 2026? Costs, Rebates & 3-4 Year Paybacks.

3. Join a Virtual Power Plant (VPP)

VPPs allow you to pool your battery’s stored energy with other households, collectively supplying power to the grid during peak demand or emergencies. In return, you can earn higher FiT rates or additional payments. Some of the highest FiT rates, such as Origin Energy’s 22c/kWh in Queensland and South Australia, are often tied to VPP participation.

VPPs can offer significant annual earnings. To learn more, see: Join a VPP in 2026: Earn Up To $1,500 Annually & Boost Grid Stability.

4. Choose the Right Energy Plan

Don’t just chase the highest headline FiT rate. A plan with a lower usage rate for grid electricity and reasonable daily supply charges, even with a moderate FiT, often provides greater overall savings. Compare total plan costs based on your specific consumption and export patterns. Many retailers offer tiered FiTs, where a higher rate applies only to the first few kWh exported daily (e.g., 8-15 kWh).

Federal Solar Panel Rebates (STCs) in 2026

The Small-scale Renewable Energy Scheme (SRES) continues to provide Small-scale Technology Certificates (STCs), reducing the upfront cost of eligible solar panel installations. The value of STCs decreases annually until the scheme ends in 2031. For a typical 10kW solar system installed in 2026, the STC rebate could be around $2,484 (based on 69 STCs at ~$36 each), a reduction from previous years.

Eligible systems must be installed by Clean Energy Council (CEC) accredited installers using CEC-approved panels and inverters.

Bottom Line

In August 2026, the best solar feed-in tariffs in Australia range from 8c/kWh to 22c/kWh, with the highest rates typically tied to Virtual Power Plant participation in states like Queensland and South Australia. While the ‘Sun Tax’ (solar export charges) is in effect in NSW and SA, its financial impact is minimal, averaging $6-$14 annually for a typical system. The most effective strategy to maximise your solar earnings is to prioritise self-consumption of your generated power, followed by investing in a solar battery (supported by federal and state rebates up to $6,416) and exploring VPP programs that offer superior export rates. Always compare the overall value of electricity plans, not just the headline FiT, to ensure you’re getting the best deal for your household’s unique energy profile.