Solar Panel Installation Quotes Australia - Complete Guide

Service Overview

The Wombat™ connects Australian homeowners with SAA (Solar Accreditation Australia) accredited solar installers for free quote comparisons. Get up to 3 competitive quotes from verified installers within 24 hours. All installers are SAA Accredited, licensed electricians with $20M+ public liability insurance.

Solar Panel Installation Costs Australia

Residential solar panel installation costs after government STC rebates: Small systems (3-4kW) $3,000-$5,000, Medium systems (5-7kW) $5,000-$8,000, Large systems (8-10kW) $8,000-$12,000, Extra large systems (10-13kW) $11,000-$15,000. Prices include Tier 1 panels with 25-year warranties, quality inverters (5-10 year warranty), mounting equipment, installation labor, electrical work, grid connection, and STC rebate application.

Government Rebates and Incentives

Federal STC (Small-scale Technology Certificates) rebates provide $2,500-$5,000 instant discounts nationwide. State-specific rebates: Victoria Solar Homes Program offers $1,400 rebate plus interest-free loans (household income under $210k required). South Australia provides $3,000 Home Battery Scheme subsidy. Queensland offers interest-free loans up to $5,000 for solar. New South Wales provides interest-free loans up to $9,000. ACT offers interest-free loans up to $15,000 for solar and battery packages. All rebates can be combined with federal STCs.

Electricity Bill Savings

Annual electricity bill savings by system size: 3-4kW saves $400-$600, 5-7kW saves $700-$1,000, 8-10kW saves $1,200-$1,600, 10-13kW saves $1,500-$2,000. Average payback period is 3-6 years. Over 25 years, a typical 6.6kW system saves $25,000-$40,000 on electricity costs. Feed-in tariffs provide 5-12c per kWh for exported power.

Installation Process and Timeline

Most residential solar installations complete in 1-3 days. Complete timeline: Initial consultation and design (1 week), Council and network approval (2-4 weeks, handled by installer), Installation day (6-8 hours for typical system), Final inspection and grid connection (1-2 weeks). Total process from quote to switch-on averages 4-8 weeks. Grid connection approval requires distributor review (Ausgrid, Energex, etc.), followed by meter upgrade to bidirectional for export measurement.

Solar System Sizing Guidelines

System size recommendations based on daily energy usage: 3-4kW for small homes (12-16kWh/day), 5-7kW for medium homes (20-28kWh/day), 8-10kW for large homes (32-40kWh/day), 10-13kW for very large homes (40-52kWh/day). Rule of thumb: 1kW generates approximately 4kWh per day average across Australia. Oversizing by 20-30% recommended for future needs and efficiency losses.

SAA Accreditation Requirements

All solar installers must be: Solar Accreditation Australia (SAA) accredited, Licensed electrical contractors, Carrying $20M+ public liability insurance, WorkSafe compliant, STC-registered for rebate claims. Only SAA Accredited installers can legally install grid-connected solar and claim government STC rebates. Non-accredited installations void all rebates and warranties.

Standard Warranties and Coverage

Solar panel warranties: 25 years product warranty on Tier 1 panels, 25 years performance warranty (typically 80% output). Inverter warranties: 5-10 years manufacturer warranty. Workmanship warranties: 5-10 years from SAA installers. Public liability insurance: $20M+ coverage for installation damage. All warranties require SAA Accredited installation to remain valid.

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Solar Panel Costs at a Glance

Quick Australian solar installation guide with pricing and rebates

3 min read

Quick Answer

Solar panel installation in Australia costs $3,000-$15,000 after government STC rebates (worth $2,000-$4,000). A popular 6.6kW system costs $4,500-$7,500 installed with Tier 1 panels, quality inverter, and full installation. Payback period is 3-6 years with annual savings of $800-$1,600 on electricity bills. All installations must be completed by SAA (Solar Accreditation Australia) accredited installers to qualify for rebates. Compare 3 free quotes to find the best price in your area.

Last updated: January 2026 Verified by SAA Accredited installers

System costs after rebates: 3-4kW costs $3,000-$5,000, 5-7kW costs $5,000-$8,000, 8-10kW costs $8,000-$12,000, 10-13kW costs $11,000-$15,000.

6.6kW is most popular: Suits 3-4 bedroom homes, generates 25-30kWh daily, saves $800-$1,200 annually, pays for itself in 4-5 years.

SAA Accreditation mandatory: Only SAA Accredited installers can legally install grid-connected solar and claim STC rebates. All our installers are verified.

Tier 1 panels essential: Choose Bloomberg-rated Tier 1 manufacturers (LONGi, JA Solar, Trina, Jinko) with 25-year performance warranties.

Installation is quick: Most systems installed in 1 day. Full process from quote to grid connection takes 4-8 weeks including approvals.

Battery storage adds value: Add a home battery ($8,000-$15,000) to store excess solar. Federal battery rebate of up to 30% launches July 2026.

Price Comparison

Solar Panel Installation Costs Australia 2026

Prices after STC rebates - includes Tier 1 panels, inverter & full installation

Solar System Price Guide - After Federal STC Rebates

System Size	Daily Output	Price (After Rebate)	Best For
3-4kW	12-16kWh	$3,000 - $5,000	1-2 bedroom homes, low usage
5-7kW	20-28kWh	$5,000 - $8,000	3-4 bedroom homes, average usage
6.6kW MOST POPULAR	25-30kWh	$4,500 - $7,500	Optimal value, most homes
8-10kW	32-40kWh	$8,000 - $12,000	Large homes, high usage, EVs
10-13kW	40-52kWh	$11,000 - $15,000	Very large homes, pool, multiple EVs
Home Battery	10-13kWh storage	$8,000 - $15,000	Night usage, backup power, max savings

Note: Prices shown are after federal STC rebates ($2,000-$4,000 depending on system size and location). State rebates may provide additional savings. Actual costs depend on roof type, inverter choice, and installation complexity. Get 3 free quotes to compare local pricing.

New for 2026

Federal Home Battery Rebate Now Available

Get up to 30% off home battery storage - Now Live

Australia's biggest solar incentive since the original solar rebate program

Save Thousands

Up to 30% rebate on battery installation - saving $3,000-$9,000 on average systems

Energy Independence

Store excess solar power for night use - achieve 80-100% self-sufficiency

Works with Existing Solar

Already have solar panels? Add battery storage and claim the rebate

Why Solar + Battery is the Smart Move in 2026

Federal Battery Rebate Launching

Cheaper Home Batteries Program starts July 2026 - don't miss out on maximum savings

Electricity Prices Rising

Power bills up 20%+ in 3 years - batteries protect you from future price hikes

Feed-in Tariffs Dropping

Export rates falling - better to store your solar power than sell it cheap

EV Adoption Growing

Planning an EV? Solar + battery = charge your car for free from stored power

Get Ahead of Solar Boom 2.0

Our installers can quote you for solar + battery systems now, ready for the rebate launch

Get Free Solar + Battery Quotes →

Compare prices now • Be ready when rebate launches • No obligation

Why Go Solar

Why Australian Homes Are Going Solar

Over 3 million homes powered by solar - join Australia's renewable energy revolution

Solar panels installed on Australian residential roof generating clean renewable energy

Join 3+ Million Aussie Homes

Save $1,500-$3,000 annually on electricity bills

Rising Electricity Costs

Power bills up 20%+ in past 3 years - solar locks in low energy costs for 25+ years.

Daytime Energy Use

Working from home, aircon, pool pumps - solar generates power when you need it most.

Environmental Impact

Reduce carbon footprint by 4+ tonnes CO2/year - Australia's best renewable option.

Property Value

Homes with solar sell faster and for $15k-30k more - buyers want low running costs.

EV Preparation

Planning electric vehicle? Solar + EV charger = free driving from your own power.

Government Rebates

STC rebates reducing 7% annually - install now for maximum savings of $2,000-$4,000.

Solar Sizing Calculator

Solar System Size Guide Australia: How Many kW Do You Need?

Match your solar system to your daily energy usage for maximum savings

Small Household

1-2 people

3-5kW System

10-16 panels
Daily: 10-15kWh
$3,000-$6,000
Limited roof space

Medium Household

3-4 people

6.6-8kW System

20-26 panels
Daily: 20-30kWh
$6,000-$10,000
Aircon, appliances

Large Household

5+ people

10-13kW System

33-43 panels
Daily: 35-50kWh
$11,000-$15,000
Pool, ducted aircon

EV Owner

Electric vehicle

10-13kW+ System

EV adds 10-15kWh
Surplus generation
Night charging
+ EV charger

Quick Sizing Formula

Check your electricity bill for daily usage (kWh/day)

Daily Usage ÷ 4 = System Size (kW)

Example: 24kWh daily usage ÷ 4 = 6kW system needed
Add 20-30% for future needs (EV, battery, home expansion)

What's Included

What's Included in Professional Solar Panel Installation

Complete turnkey installation with everything you need for clean energy

Free Home Assessment

Roof inspection, shading analysis, and system sizing recommendations tailored to your home

Solar Panel Installation

Tier 1 panels, professional roof mounting, waterproof flashing, and structural safety compliance

Inverter & Wiring

Quality inverter, AC/DC wiring, switchboard connection, and all required safety switches

Grid Connection

Meter upgrade, distributor approval, and complete grid connection coordination

Monitoring System

App setup, real-time generation tracking, and ongoing performance monitoring

Certifications & Warranty

SAA installation certificate, electrical certification, and 5-10 year workmanship warranty

Note: STC rebate processing, battery additions, and asbestos roof treatment may be quoted separately.

WombatVision Solar Planner

Free Solar Panel Planner & Calculator Australia 2026

See your roof from satellite, place solar panels interactively, and get instant cost estimates with ROI calculations.

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ROI calculator

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Sample Project

6.6kW Solar System

Panel Installation $5,500

Battery (optional) $8,000

Total Estimate $5,500 - $13,500

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System sizes

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Quote Comparison Guide

What to Look for When Comparing Solar Panel Quotes Australia

Get the best value by understanding what separates a great quote from an average one

Panel Quality & Brand

Not all panels are created equal. Look for:

Tier 1 manufacturers - LONGi, Jinko, Trina, REC
Efficiency ratings - 20%+ for modern panels
Warranty - 25 years product warranty ideal

Inverter Selection

The inverter is the brain of your system:

Top brands - Fronius, SolarEdge, Enphase, Sungrow
Warranty - Minimum 5 years, premium 10+
Monitoring - Real-time tracking included

Installation Standards

Quality installation is crucial for safety:

SAA Accreditation - Required for rebates
Workmanship warranty - 5-10 years
Safety compliance - AS/NZS 5033

What Should Be Included

A complete quote should include:

STC rebate - Already deducted from price
Grid connection - Approval handled
System monitoring - App included

State Rebates

Current Solar Panel Rebates Australia by State

Federal STC rebates plus state-specific incentives available now

Federal STC Rebate

Available in All States

$2,500-$5,000

Instant Discount

Small-scale Technology Certificates (STCs) provide an instant discount on most residential systems. Applied at point of sale by SAA installers.

Time-Sensitive: STC value reduces 7% every year - install now for maximum rebate!

NEW

Federal Battery Rebate

Now Available Nationwide

Up to 30%

Battery Installation Rebate

Australia's biggest solar incentive since the original solar rebate program. Save $3,000-$9,000 on average battery systems.

Store excess solar

Works with existing solar

80-100% independence

Stackable with state rebates

State-Specific Incentives

Additional rebates and interest-free loans available by state

Victoria

Solar Homes Program

$1,400

Solar Panel Rebate

Interest-free loan up to $1,400
Household income under $210k
Battery rebates ($2,950) available

South Australia

Home Battery Scheme

$3,000

Battery Subsidy

Pairs perfectly with solar systems
REPS may offer additional support
Check with your retailer for details

New South Wales

Interest-Free Loans

$9,000

Solar Loan Available

Max $14,000 with battery
Empowering Homes for low-income
Peak Demand Reduction credits

Queensland

Climate Smart Energy

$5,000

Solar Interest-Free Loan

$3,000 battery loan available
High feed-in tariffs up to 20c/kWh
Climate Smart Energy Savers program

ACT

Sustainable Household

$15,000

Interest-Free Loan

For solar + battery packages
No upfront rebate required
Generous feed-in tariffs available

WA/TAS/NT

Federal Programs

STC Only

Federal Rebate Available

Check local council grants
Some regional incentives available
Focus on electricity savings

Our installers handle all rebate paperwork — STC rebates applied instantly at checkout, state rebates claimed on your behalf

Safety Warning

NEVER Attempt DIY Solar Installation

Solar installation without proper licensing is illegal, dangerous, and voids all rebates

Professional SAA Accredited solar installer safely working on Australian tiled roof with proper safety equipment

✓ SAA Accredited Professional Installer

Proper safety equipment, licensing, and insurance

Lethal Electrical Risk

DC voltage from solar panels is extremely dangerous. 600-1000V DC systems require licensed electricians.

Roof Safety Hazards

Falls from roofs are fatal. Professionals use safety harnesses and proper equipment.

No STC Rebates

Only SAA Accredited installers can claim $3,000-$5,000 STCs. DIY = full price.

Insurance Void

Home insurance won't cover DIY electrical work. Fire or damage = you pay everything.

Why Professional SAA Installers are Essential

Licensed electricians - Legal to work on high-voltage DC systems

$10M-$20M insurance - Full coverage if anything goes wrong

SAA Accreditation - Access STC rebates ($3k-$5k savings)

Grid connection approval - Handle all paperwork

Structural certification - Ensure roof can handle panels

5-10 year warranty - Free fixes if issues arise

Professional installation costs $800-$1,500 of your total system price.

DIY solar is not worth risking your life or losing $5,000+ in rebates. Always use SAA installers.

Performance Data

System Performance by Location & Orientation

How much solar power can YOU generate?

Daily Generation by Australian City (6.6kW System)

Darwin, NT

32kWh

Best in Australia

Brisbane, QLD

29kWh

Excellent sunshine

Sydney, NSW

27kWh

Very good

Melbourne, VIC

24kWh

Good production

Hobart, TAS

22kWh

Still viable

Impact of Roof Orientation (Sydney 6.6kW)

OPTIMAL

North Facing

100%

27kWh/day

East / West

85-90%

23-24kWh/day

NE / NW Split

95%

25-26kWh/day

South Facing

60%

Not recommended

Shading Analysis is Critical

No Shading

100% generation - ideal conditions

Morning/Afternoon Shade

85-90% generation - still worthwhile

Partial Shade (4-6hrs)

60-75% - consider battery storage

Heavy Shade (6+hrs)

<40% - may not be economical

All our SAA installers perform free shading analysis using specialized tools.

Post-Installation Journey

What Happens After Installation?

Your journey from installation to generating clean energy

Grid Connection Approval

1-3 weeks after install

Your installer handles everything:

1 Submits application to your electricity distributor (Ausgrid, Energex, etc.)

2 Distributor reviews system specs and approves connection

3 Meter upgraded to bidirectional (measures export to grid)

4 System officially switched on - you're generating!

During this wait: System may be installed but not switched on. Once approved, installers return to activate (usually 1hr visit).

Monitoring & Optimization

Day 1 onwards

Track your solar generation:

Mobile app: Real-time generation, consumption, export (Solis, Goodwe, Fronius apps)

Daily summary: See kWh generated, $ saved, CO2 offset

Usage optimization: Shift appliances to solar hours (pool, washing, aircon)

Performance alerts: Notified if generation drops (dirty panels, faults)

Most households see 50-80% reduction in grid electricity within first month by optimizing usage patterns.

Feed-in Tariff Setup

First bill after activation

Get paid for excess solar:

Surplus power exported to grid = FiT credits on bill (5-12c/kWh)

Your retailer automatically applies FiT rate (check contract)

Compare retailers for best solar FiT rates - can save $200+/year

Some retailers offer bonus solar credits or perks

Tip: Self-consumption is always better than export (save 30c/kWh vs earn 8c/kWh). Use solar during the day!

Maintenance Schedule

Minimal ongoing work

Solar requires very little maintenance:

Panel cleaning: Once or twice per year (rain usually sufficient)

Visual inspection: Annual check for damage, loose connections

Inverter check: Ensure no error lights, firmware updates

Warranties: Panels 25yr, inverter 5-10yr, workmanship 5-10yr

Planning to add battery storage later? Most systems are battery-ready (check with installer).

Simple Process

How It Works

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Fill out a simple form describing your solar installation needs. Takes less than 2 minutes.

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Compare system sizes, warranties, and pricing. Choose the best solar installer for your home.

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Recent solar installation quotes

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Verified Reviews

What Our Customers Say about Solar Panel Installation

Real solar panel installation reviews from verified Australian customers

5.0 out of 5

Based on 188 verified reviews

Michael R.

Sydney, NSW

Verified

Got 3 quotes for a 6.6kW system. Saved over $2,500 by comparing! Installation took just 1 day. Now generating 28kWh daily and our bills dropped from $380 to under $100/quarter.

6.6kW Solar Installation 2 weeks ago

Emma K.

Brisbane, QLD

Verified

Large family with pool and ducted AC. 10kW system with Fronius inverter - installer handled all QLD paperwork. Bills dropped from $650 to $120/quarter. ROI in under 4 years!

10kW Solar System 1 month ago

David P.

Melbourne, VIC

Verified

Combined federal STC with Victorian Solar Homes rebate - got $1,400 extra off! 8kW system with premium panels. Already exported 800kWh back to grid in first month.

8kW Solar + VIC Rebate 3 weeks ago

5.0/5 Average Rating 188 Customer Reviews Wombat™ Verified Solar Panel Installation

Expert Resources

Solar Panel Guides

Everything you need to know about solar in Australia

How to Choose Solar Panels

Learn about Tier 1 panels, efficiency ratings, and warranties to pick the best solar panels for your home.

Read Guide

Solar Panel Cost Guide 2026

Detailed pricing breakdown by system size (3-13kW), installation costs, and what to expect in your quote.

Read Guide

Solar Rebates & Feed-in Tariffs

Complete guide to federal STCs, state rebates, and feed-in tariff rates by state. Maximize your savings.

Read Guide

Solar Battery Storage Guide 2026

Everything about home batteries: Tesla Powerwall, BYD, Sungrow. Costs, savings, and rebates explained.

Read Guide

View All Guides

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FAQ

Frequently Asked Questions

Get answers to common questions about this topic

How much does solar panel installation cost in Australia?

Solar panel installation costs vary by system size: Small systems (3-4kW) $3,000-$5,000, Medium systems (5-7kW) $5,000-$8,000, Large systems (8-10kW) $8,000-$12,000, Extra large systems (10-13kW) $11,000-$15,000. Costs are AFTER government STC rebates (typically $2,000-$4,000). Prices include Tier 1 panels, quality inverter, installation, electrical work, and grid connection. Premium components add 10-20%.

How long does solar installation take?

Most residential solar installations are completed in 1-3 days. Timeline breakdown: Initial consultation and design (1 week), Council/network approval (2-4 weeks - done by installer), Installation day (6-8 hours for typical system), Final inspection and connection (1-2 weeks after install). Total process from quote to switch-on is usually 4-8 weeks. Installation itself is just 1 day for most homes.

How quickly can I get quotes?

Most customers receive their first quote within 4-8 hours. You will typically have up to 3 quotes from SAA Accredited solar installers within 24-48 hours. All installers are fully licensed, SAA Accredited, and registered with Solar Accreditation Australia.

What is included in a solar panel quote?

Standard inclusions: Tier 1 solar panels (25-year warranty), Quality inverter (5-10 year warranty), Mounting frames and rails, All electrical cabling and AC/DC isolators, Installation labor, Electrical safety inspection, Grid connection approval, STC rebate application, System monitoring app, 5-10 year workmanship warranty. NOT usually included: battery storage ($8,000-$15,000 extra), roof repairs/upgrades, three-phase upgrades, tree trimming. Always clarify what is included in writing.

What size solar system do I need?

System size depends on your energy usage: 3-4kW for small homes (12-16kWh/day), 5-7kW for medium homes (20-28kWh/day), 8-10kW for large homes (32-40kWh/day), 10-13kW for very large homes (40-52kWh/day). Check your electricity bill for daily usage. Rule of thumb: 1kW generates ~4kWh per day average. Oversizing 20-30% is common to account for future needs and efficiency losses.

Do I need council approval for solar panels?

Usually no for standard residential installs, but varies by state/council. Exempt development applies for: Roof-mounted panels under 100m², Panels not extending beyond roof ridge, Standard residential areas, No heritage/flood zones. May need approval for: Ground-mounted systems, Large commercial systems, Heritage areas, Units/strata properties. Your SAA installer handles all required approvals and paperwork.

Are all solar installers SAA Accredited?

Yes, all solar installers in our network are: Solar Accreditation Australia (SAA) accredited, Licensed electrical contractors, $20M+ public liability insurance, WorkSafe compliant, STC-registered (for rebates). We verify all accreditations before approval. Only SAA installers can legally install grid-connected solar and claim STC rebates. Always verify accreditation yourself on SAA website.

What are the government rebates available?

Main rebates: Small-scale Technology Certificates (STCs) - $2,000-$4,000 instant discount (federal, all states), State-specific rebates vary - VIC Solar Homes ($1,400), SA Home Battery Scheme, QLD interest-free loans, ACT rebates. Plus: Feed-in tariffs 5-12c per kWh for exported power. Total savings: $3,000-$6,000 in first year between rebates and reduced bills. Rebates are included in installer quotes.

How much will solar save on my electricity bills?

Typical savings by system size: 3-4kW saves $400-$600/year, 5-7kW saves $700-$1,000/year, 8-10kW saves $1,200-$1,600/year, 10-13kW saves $1,500-$2,000/year. Payback period: 3-6 years average. Over 25 years, a 6.6kW system saves $25,000-$40,000. Actual savings depend on: your current electricity rates, daytime usage vs exports, system size and orientation, local sunlight hours.

Is the quote service really free?

Yes, absolutely! Our service is 100% free for homeowners. We earn a small commission from installers when you hire them, but this does not affect your quote price. You save thousands by comparing SAA Accredited installers easily and safely.

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Last updated: February 2026

Verified by licensed solar installers and Solar Accreditation Australia accredited professionals

Australia-wide coverage

Prices are estimates based on market research and may vary by location, project size, site conditions, and specialist. Always get multiple quotes for accurate pricing. Solar installations require SAA Accreditation and compliance with electrical safety standards.