Solar Finance

What is No-Net-Cost Solar?

Discover how Australian homeowners are installing premium solar systems with $0 deposit and 0% interest, while seeing immediate savings from day one.

Check your rebate eligibility

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If you've been researching solar energy for your home, you've likely come across the term "No-Net-Cost Solar" or "zero-cost solar systems." It sounds too good to be true, but here's the reality: thanks to substantial government rebates and innovative financing options, installing solar panels can genuinely cost you nothing out of pocket, and you can start saving immediately. For a broader overview of the different $0 upfront pathways, see our companion article on no-cost solar programs in Australia.

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What Does No-Net-Cost Solar Actually Mean?

No-Net-Cost Solar means that most homeowners who don't purchase their system outright see immediate savings that cover their monthly payments. With participating installers offering $0 deposit and 0% interest financing, your reduced electricity bills typically exceed your solar payment, resulting in zero net cost, or even positive cash flow, from month one.

How No-Net-Cost Solar Works in Australia

1

Government Rebates Slash Upfront Costs

The federal government provides Small-scale Technology Certificates (STCs) worth $1,600-$2,200 for a typical 6.6kW system in 2026. This subsidy is applied as a point-of-sale discount, dramatically reducing the purchase price. Check your state and federal rebate eligibility to see the full picture.

2

Zero-Deposit Financing

Approved installers offer financing with no deposit required and 0% interest payment plans (typically 2-5 years). This means you can install a premium solar system without touching your savings.

3

Immediate Bill Savings Cover Payments

Most households reduce their electricity bills by 65-85% after solar installation. Your monthly savings typically exceed your solar payment, meaning you're cash-flow positive from day one. The exact savings depend on your usage patterns, your feed-in tariff rate for exported power, and how much your system costs upfront.

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Check Your Rebate Eligibility

Enter your postcode to check rebate eligibility in your area.

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verifiedVerified Local Installersthumb_up100% Free ServiceshieldNo Obligation

Over 3.6 million homes already claiming rebates

Real Numbers: What This Looks Like

Example: Typical Sydney Household

Before Solar

Quarterly electricity bill: $600

Monthly cost: $200

Annual electricity cost: $2,400

After Solar (6.6kW System)

New quarterly bill: $120

Monthly bill: $40

Solar payment (0% interest, 4 years): $125/month

Monthly Comparison

$200 → $165

$35/month net savings during payment period

After Payoff (Year 5+)

$160/month savings

$1,920/year in your pocket

The Savings Timeline

Day 1

Installation Complete

Your system starts generating clean energy immediately. Your electricity bills drop by 65-85% in the first billing cycle.

Years
1-4

Payment Period

You make monthly payments, but your electricity savings cover most or all of the cost. You're either break-even or cash-flow positive every month.

Year 5+

Pure Profit Mode

System paid off. You continue enjoying 65-85% lower electricity bills with no payments. That's $1,500-$2,000+ per year in your pocket for the next 20+ years. At this stage, many homeowners add a battery (with government rebates covering ~30%) to save even more.

Who Qualifies for No-Net-Cost Solar?

While No-Net-Cost Solar is available to most Australian homeowners, not every property qualifies. Here's what you need:

check_circleRequirements

  • arrow_rightYou own your home (not renting)
  • arrow_rightSuitable roof space with minimal shading
  • arrow_rightElectricity bills above $300/quarter
  • arrow_rightReasonable credit standing for financing

infoIdeal Conditions

  • arrow_rightNorth-facing roof (optimal in Australia)
  • arrow_rightHigh daytime electricity usage
  • arrow_rightPlanning to stay in home 3+ years
  • arrow_rightMetal or tiled roof in good condition
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Important: Not All Roofs Are Suitable

Properties with heavy shading, unconventional roof angles, asbestos roofing, or structural issues may not qualify. Additionally, if your electricity usage is very low (under $200/quarter), the economics may not work out favourably. That's why we recommend getting a free assessment to determine your specific eligibility.

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See How Much You'd Save

Enter your postcode to see your estimated rebate amount.

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verifiedVerified Local Installersthumb_up100% Free ServiceshieldNo Obligation

Over 3.6 million homes already claiming rebates

Is Solar Actually "Free"?

Let's be transparent: solar panels are not free. Someone pays for them. The difference with No-Net-Cost Solar is how and when you pay.

closeWhat "Free Solar" Is NOT

  • Installers giving away systems
  • Government paying 100% of costs
  • Unlimited free electricity forever
  • A scam or too-good-to-be-true offer

checkWhat No-Net-Cost IS

  • Government rebates reduce upfront cost
  • 0% financing eliminates deposit
  • Bill savings cover monthly payments
  • No net cost during payment period

Think of it this way: you're already paying for electricity every month. With No-Net-Cost Solar, you redirect that money toward owning your power system instead of renting it from the grid. Once the system is paid off, you keep the savings for decades. Our detailed analysis of whether solar is worth it walks through the long-term numbers.

How to Get Started with No-Net-Cost Solar

1

Check Eligibility

Take our 30-second rebate quiz to see what government incentives you qualify for. With STC rebates reducing each year, acting sooner means bigger savings.

2

Get Custom Quote

We connect you with vetted local installers who offer No-Net-Cost financing. Get up to 3 free quotes with transparent pricing and no-pressure consultations.

3

Install & Save

Your chosen installer handles everything: permits, installation, grid connection, and rebate paperwork. You start saving from day one.

The next step

If you have any questions about the information in this guide, feel free to get in touch:

If you're considering solar panels or batteries for your home, Bec and the team can help you get quotes from trusted, pre-vetted local installers:

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Headshot of Bec Ramirez, Aussie Mum & Energy Expert at Why Solar

Written by

Bec Ramirez

Aussie Mum & Energy Expert

Helping families navigate the switch to solar with practical, real-world advice. Bec focuses on the financial side — rebates, bill savings, and financing options — so everyday Australians can see real value from going solar.

Learn more about Bec Ramirez
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