articleSolar Finance Guide

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.

calendar_todayUpdated January 2026
schedule8 min read

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.

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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.

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.

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.

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.

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.

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 and get an instant estimate of your potential 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.

Ready to See If You Qualify?

Take our free rebate eligibility quiz and get a custom solar quote with No-Net-Cost financing options in under 2 minutes.

Check My Eligibilityarrow_forward

No Commitments • Free Assessment • Instant Results

Frequently Asked Questions

What is a net zero solar system?

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A net zero solar system (also called zero-net-energy) is one that produces as much energy as your home consumes over a year. This is different from No-Net-Cost Solar, which refers to a financing arrangement where your electricity bill savings cover your solar payment, resulting in no net cost to you each month.

Which is better, net metering or net billing?

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Net metering credits you for excess solar energy at the same rate you pay for grid electricity, while net billing (feed-in tariffs in Australia) pays you a lower wholesale rate for energy you export. Net metering is generally better for homeowners, but Australia uses feed-in tariff systems. The good news is that even with feed-in tariffs, solar still saves most Australian households 65-85% on their electricity bills.

How much does solar zero cost?

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No-Net-Cost Solar typically means $0 upfront deposit with 0% interest financing. The actual system cost varies by size (usually $3,500-$9,000 for residential systems after rebates), but your monthly payment is designed to be covered by your electricity bill savings, resulting in zero net cost to you during the payment period.

Why are people getting rid of their solar panels?

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Very few people remove solar panels - it's extremely rare. Those who do typically have outdated systems (15+ years old) that they're replacing with modern, more efficient panels. Solar panels have 25-30 year warranties and most homeowners keep them for their entire lifespan because they continue saving money every month.
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Still Have Questions?

Our solar experts are here to help. Get personalized advice on whether No-Net-Cost Solar is right for your home.

boltUp to $5,350 in rebates • 145 days left for battery bonus