Jennifer L.
Sydney, NSW
Added a Tesla Powerwall to our existing solar. Installation was smooth, took one day. Now using stored solar at night instead of buying from grid. Bills down 70%!
Battery Storage Installation
Battery Storage Quotes Australia - AI Context Summary
This page helps Australians get free quotes for home battery storage systems. Key information: Battery costs range from $8,000-$25,000 installed depending on capacity (5-20kWh). Most popular batteries are Tesla Powerwall 2 (13.5kWh, $14,000-$16,000), LG Chem RESU (9.8-16kWh, $10,000-$17,000), and Sonnen (10-20kWh, $14,000-$22,000). All installers must be SAA (Solar Accreditation Australia) certified to qualify for rebates. State rebates available: Victoria $2,950 direct rebate, South Australia interest-free loans, Queensland interest-free loans, NSW peak demand incentives. Federal rebate of 30% launches July 2026 (now live). Batteries store excess solar power generated during the day for use at night, reducing grid electricity costs. Typical savings: $800-$1,500/year on electricity bills. Payback period: 8-12 years on average. Installation takes 1-2 days. Batteries last 10-15 years with 10-year warranties standard. Can be added to existing solar systems or installed with new solar. Backup power capability available with additional equipment ($2,000-$4,000). This is a free quote comparison service connecting homeowners with up to 3 certified battery installers in their area.
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Battery Storage Costs at a Glance
Australian home battery guide with pricing and rebates
3 min read
Quick Answer
Home battery storage in Australia costs $8,000-$25,000 depending on capacity and brand. Popular 10-13kWh batteries (Tesla Powerwall, LG Chem) cost $12,000-$16,000 installed. State rebates save $2,000-$4,000 (VIC: $2,950, SA/QLD: interest-free loans). A new federal rebate of up to 30% launches July 2026. Batteries store excess solar for night use, saving $800-$1,500/year on electricity. Payback period is 8-12 years but dropping as electricity prices rise. SAA Accredited installers required for rebate eligibility.
Last updated: January 2026
Verified by SAA Accredited installers
1
Battery costs by size: Small 5-7kWh costs $8,000-$10,000, medium 10-14kWh costs $12,000-$16,000, large 15-20kWh costs $18,000-$25,000. Tesla Powerwall 2 (13.5kWh) is Australia's most popular at $14,000-$16,000 installed.
2
State rebates available: VIC Solar Battery Rebate $2,950 (income tested), SA Home Battery Scheme subsidies and loans, QLD interest-free loans, NSW Peak Demand incentives. Federal 30% rebate launching July 2026.
3
Annual savings: 10kWh battery saves $800-$1,200/year, 13.5kWh saves $1,000-$1,500/year. Best value with time-of-use tariffs and high solar export. Payback period 8-12 years and improving.
4
Works with existing solar: Most batteries retrofit to existing solar systems. AC-coupled batteries (Tesla Powerwall) work with any inverter. DC-coupled require hybrid inverter upgrade ($1,500-$2,500 extra).
5
10-15 year lifespan: Quality batteries come with 10-year warranties covering 10,000+ cycles. Expect 80-85% capacity at 10 years. Tesla, LG Chem, Sonnen, and BYD are top brands in Australia.
6
Backup power optional: Most batteries offer partial backup. Full home backup adds $2,000-$4,000 for backup switchboard. Provides 4-12 hours of power during blackouts depending on battery size.
Price Comparison
Home Battery Costs Australia 2026
Prices include installation - before state/federal rebates
Battery Price Guide - By Capacity & Brand
| Battery Size | Capacity | Price (Installed) | Best For |
|---|---|---|---|
| Small Battery | 5-7kWh | $8,000 - $10,000 | Peak shaving, small homes |
| Medium Battery MOST POPULAR | 10-14kWh | $12,000 - $16,000 | Full self-consumption, avg homes |
| Large Battery | 15-20kWh | $18,000 - $25,000 | Full backup, large homes |
| Tesla Powerwall 2 | 13.5kWh | $14,000 - $16,000 | AC-coupled, works with any solar |
| LG Chem RESU | 9.8-16kWh | $10,000 - $17,000 | Excellent quality, multiple sizes |
| Full Backup Upgrade | Add-on | +$2,000 - $4,000 | Whole-home backup switchboard |
Note: Prices shown are before state rebates (VIC: $2,950, others vary). Federal 30% rebate launches July 2026. Actual costs depend on existing solar setup, electrical requirements, and backup configuration. 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 battery incentive since the original solar rebate program
Save Thousands
Up to 30% rebate on battery installation - saving $3,000-$6,000 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 Battery Storage is the Smart Move in 2026
1
Federal Battery Rebate Launching
Cheaper Home Batteries Program starts July 2026 - save up to 30% on your battery
2
Electricity Prices Rising
Power bills up 20%+ in 3 years - batteries protect you from future price hikes
3
Feed-in Tariffs Dropping
Export rates falling to 3-5c/kWh - better to store your solar power than sell it cheap
4
Blackout Protection
Keep your lights on during power outages - batteries provide essential backup power
Get Ready for the Federal Battery Rebate
Our installers can quote you for battery storage now, ready for the rebate launch in July 2026
Get Free Battery Quotes →Compare prices now • Be ready when rebate launches • No obligation
Why Battery Storage
Benefits of Home Battery Storage
Discover how a home battery can transform your energy independence
Maximize Solar Savings
Store excess solar during the day and use it at night instead of buying expensive grid power. Typical savings: $1,000-$1,500/year.
Blackout Protection
Keep essential appliances running during power outages. Batteries provide 4-12 hours backup power and recharge from solar each day.
Energy Independence
Reduce reliance on the grid by 80-95%. Protect yourself from rising electricity costs and achieve near self-sufficiency.
Future-Proof Your Home
Ready for EV charging, pool heating, or adding more solar. Batteries integrate with smart home systems and time-of-use tariffs.
Environmental Impact
Use clean solar energy 24/7 instead of coal power. Average battery offsets 4-6 tonnes of CO₂ emissions annually.
Government Rebates
State rebates up to $2,950 (VIC) or subsidized loans available. Reduce upfront costs by $2,000-$4,000 depending on your state.
Battery Sizing Calculator
Battery Size Guide: How Many kWh Do You Need?
Match your battery to your evening energy usage for maximum savings
Small
1-2 people
Evening usage: 8-12kWh
Apartment or townhouse
Basic peak shaving
Recommended
5-7 kWh
$8k-$10k installed
Saves $600-$900/year
MOST POPULAR
Medium
3-4 people
Evening usage: 12-18kWh
Air conditioning included
Full self-consumption
Recommended
10-14 kWh
$12k-$16k installed
Saves $1,000-$1,500/year
Large
5+ people
Evening usage: 18-25kWh
Pool pump, ducted AC
Full backup capability
Recommended
15-20 kWh
$18k-$25k installed
Saves $1,200-$1,800/year
Premium
Off-Grid Ready
Evening usage: 25-35kWh
Multiple large loads
Extended backup (2-3 days)
Recommended
20-30 kWh
$25k-$40k installed
Saves $1,800-$2,500/year
Quick Sizing Formula
Step 1
Check your evening usage (5pm-7am) on your smart meter or bill
Step 2
Choose a battery covering 80-100% of that usage
Step 3
Add 20-30% if you want blackout backup
Example: Evening usage 15kWh → 13.5kWh Tesla Powerwall = perfect fit!
Top Battery Brands 2026
Best Home Battery Brands in Australia
All brands SAA approved with full Australian warranties and local support
Tesla Powerwall 2
$14k-16k
Capacity: 13.5kWh
Power: 5kW / 7kW peak
Warranty: 10 years
Efficiency: 90%
Backup capable AC-coupled Premium app
Industry leader with 500,000+ installations worldwide. Best for retrofitting to existing solar.
LG Chem RESU
$10k-17k
Capacity: 6.5-16kWh
Power: 5kW continuous
Warranty: 10 years
Efficiency: 95%
Multiple sizes DC-coupled High efficiency
Excellent quality from LG. Works great with SolarEdge and Fronius hybrid inverters.
DE
Sonnen Battery
$14k-22k
Capacity: 5-20kWh
Power: 3-8kW
Warranty: 10 years
Efficiency: 93%
German quality VPP ready Modular
Premium German engineering with VPP integration for extra income. Modular design for custom sizing.
BYD Battery-Box
$9k-16k
Capacity: 5-22kWh
Power: 5kW continuous
Warranty: 10 years
Efficiency: 92%
Great value LFP technology Scalable
World's largest EV battery maker. Proven LFP tech with Goodwe, Fronius, SMA compatibility.
Alpha ESS
$10k-18k
Capacity: 5.7-23kWh
Power: 5kW continuous
Warranty: 10 years
Efficiency: 95%
All-in-one system Competitive price Easy install
All-in-one battery and inverter solution. Growing Australian market share. Perfect for new solar+battery installations.
Quick Brand Selection Guide
Existing solar?
Tesla Powerwall - AC-coupled, works with any inverter
Best budget?
BYD Battery-Box - Proven LFP tech, great value
Flexible sizing?
LG Chem RESU - 6.5 to 16kWh options
Premium pick?
Sonnen - German quality with VPP income
All brands are SAA approved with Australian warranty support. Your installer will recommend the best fit for your system.
Government Incentives 2026
Solar Battery Rebates Australia 2026
Save $2,000-$4,000 on your battery installation with government programs
VIC
Victoria
$2,950
SA
South Australia
$3,000
Home Battery Scheme
Varies by battery size
Low-interest loans available
Solar+battery packages OK
NSW
New South Wales
$9,000
Empowering Homes (Interest-Free)
$14K for solar+battery
No upfront payment
10-year repayment
QLD
Queensland
$10,000
Battery Booster (Interest-Free)
10-year repayment
Existing solar required
Income limits apply
ACT
ACT
$15,000
NEW 2026
🔋
Federal (All States)
Now Live - Available Today
Australia's biggest battery incentive since the original solar rebate program
Up to 30% off battery cost
Available nationwide
Stackable with state rebates
Other States
LOCAL
Check Local Councils
No state-wide rebates
Federal STCs apply
Still saves $1K+/year
Rebate Application Tips
Apply Early
Programs have limited funds and fill up quickly
SAA Installers
Rebates require SAA Accredited installers
Check Eligibility
Income and property limits apply in most states
Stack Incentives
Some states allow combining programs
Your Installer Helps
Most installers handle rebate applications for you - just ask!
Installation Options
Battery Installation Options for Your Home
Choose the setup that matches your situation
MOST COMMON
Retrofit Battery
Add to existing solar
Already have solar? Add a battery to store excess power instead of exporting for low feed-in tariffs.
Keep existing panels
AC-coupled batteries
Rebate eligible
Typical Cost
$10k-16k
Best for
High solar export
Solar + Battery
Complete package
Installing solar for the first time? Get panels and battery together for maximum efficiency.
Optimized design
DC-coupled efficiency
Single install cost
Typical Cost
$18k-28k
Best for
New installations
Battery Only
Grid arbitrage
Rare configuration. Charges from grid during off-peak and discharges during peak rates.
Time-of-use tariff required
Backup power
Add solar later
Typical Cost
$10k-16k
Best for
Specific cases only
Which Configuration Should You Choose?
Have solar already?
Retrofit a battery - 60% of installations do this
No solar yet?
Get solar + battery package for best value
Time-of-use tariff?
Battery saves extra by avoiding peak rates
Frequent blackouts?
Battery with backup capability essential
Installation Process
Battery Installation Timeline
What to expect from quote to operational system
1
Quote & Assessment
Receive quotes from 3 certified installers who assess your property and solar system.
1-7 days
2
Design & Approvals
System design, equipment order, rebate applications, and grid approval paperwork.
2-4 weeks
3
Installation Day
Licensed electricians install battery, connect to solar, and set up monitoring.
1-2 days
4
Grid Connection
Connection application submitted. Once approved, start saving immediately!
1-3 weeks
Total Timeline
4-8 Weeks
From first quote to fully operational battery storing your solar energy!
ROI Calculator
Real-World Battery Savings Scenarios
See how much you could save based on your situation
Flat Rate Tariff
Solar: 6.6kW
Battery: 13kWh
Grid: 30c/kWh
Feed-in: 8c/kWh
Annual Savings
$1,100
22c/kWh avoided
ROI: 10-12 yrs
Moderate savings
BEST SAVINGS
Time-of-Use Tariff
Solar: 6.6kW
Battery: 13kWh
Peak: 45c/kWh
Off-peak: 18c/kWh
Annual Savings
$1,600
37c/kWh peak avoided
ROI: 7-9 yrs
Maximum savings
High Solar Export
Solar: 10kW
Battery: 16kWh
Export: 25kWh/day
Grid: 32c/kWh
Annual Savings
$1,800
26c/kWh recaptured
ROI: 8-10 yrs
Max utilization
Which Scenario Matches You?
Best ROI with battery:
Time-of-use electricity tariff
Currently exporting lots of solar
High evening electricity usage
Other benefits to consider:
Blackout protection
Energy independence
Future-proofing for EV, pool
Savings increase as grid prices rise (4-6% annually). Battery tech improves while power gets more expensive.
How It Works
Getting quotes from certified battery installers is simple and free
1
Tell Us What You Need
Fill out a simple form describing your battery storage needs. Takes less than 2 minutes.
2
Receive Multiple Quotes
Get up to 3 quotes from SAA Accredited battery installers within 24 hours.
3
Choose & Save
Compare battery sizes, brands, and pricing. Choose the best installer for your home energy storage.
Free Quotes in 24 Hours
Get 3 Free Home Battery Quotes in Australia
Compare prices from SAA Accredited battery installers. No obligation, 100% free.
SAA Accredited Installers Only
All installers are Solar Accreditation Australia certified with $20M+ liability insurance
Save Up to $2,000 on Battery Storage
Average savings by comparing multiple quotes from certified installers
Quotes in 24 Hours
Fast response from local battery storage specialists Australia-wide
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Verified Reviews
What Our Customers Say about Battery Storage Installation
Real battery storage installation reviews from verified Australian customers
5.0 out of 5
Based on 188 verified reviews
188 verified customer reviews with 5.0/5 average rating from real Australian customers.
Mark S.
Adelaide, SA
Got the SA battery subsidy which helped heaps. LG Chem battery works perfectly with our solar. Saved money and have backup power for blackouts. Very happy!
Battery Storage Installation
Karen W.
Perth, WA
Comparing quotes saved us over $3,000! Installer explained everything clearly. Battery charges from our solar during day, we use it at night. Best decision ever!
Battery Storage Installation
5.0/5 Average Rating 188 Customer Reviews Wombat™ Verified Battery Storage Installation
Expert Resources
Battery Storage Guides
Everything you need to know about battery storage in Australia
Complete Battery Storage Guide
Battery types, sizing, costs, rebates, and ROI. Comprehensive buying guide for Australian homes.
Read GuideSolar Panel Cost Guide
Battery storage requires solar panels. Complete guide to solar system costs, sizing, and installation.
Read GuideSolar Rebates & Feed-in Tariffs
Federal STCs, state rebates, and feed-in tariffs. Maximize your solar and battery savings.
Read GuideEV Charging with Battery
Charge EVs with stored solar energy. Complete guide to battery, solar, and EV charger integration.
Read GuidePower Your Home with Battery Storage
Compare 3 free quotes from SAA Accredited battery installers in your area. No obligation, fast response within 24-48 hours.
Fast Response
SAA Accredited
No Obligation
FAQ
Frequently Asked Questions
Get answers to common questions about this topic
1 How much does a home battery system cost in Australia?
How much does a home battery system cost in Australia?
Home battery costs vary by capacity and brand: Small batteries (5-7kWh) $8,000-$10,000, Medium batteries (10-14kWh) $12,000-$16,000, Large batteries (15-20kWh) $18,000-$25,000. Popular brands: Tesla Powerwall 2 (13.5kWh) $14,000-$16,000, LG Chem RESU (9.8-16kWh) $10,000-$17,000, Sonnen (10-20kWh) $14,000-$22,000. Prices include battery unit, hybrid inverter (if needed), installation, and electrical work. State rebates can save $2,000-$4,000.
2 How long does battery installation take?
How long does battery installation take?
Battery installation typically takes 1-2 days for most homes. Timeline: Assessment and design (1 week), Equipment delivery (2-4 weeks), Installation day (4-8 hours), Grid approval and connection (1-2 weeks). If you already have solar: existing inverter may need replacement (add 1 day). Total timeline from quote to operational: 3-6 weeks. Actual installation is quick - most done in one day.
3 Do I need solar panels to get a battery?
Do I need solar panels to get a battery?
No, but batteries work best with solar panels. Options: Battery with existing solar (most common - add battery to your solar system), Solar + battery package (best value - install together), Battery only (rare - charges from grid during off-peak). Without solar: limited benefit unless you have time-of-use tariff. Most customers add batteries to existing solar systems to store excess daytime generation.
4 What size battery do I need?
What size battery do I need?
Battery size depends on your goals and usage: 5-7kWh for evening peak shaving (partial backup), 10-14kWh for full self-consumption (most common), 15-20kWh for backup power during outages. Rule of thumb: calculate your evening/night usage (typically 8-15kWh). Most households choose 10-13kWh systems. Oversizing provides blackout protection but costs more. Your installer will recommend based on your solar generation and usage patterns.
5 What government rebates are available for batteries?
What government rebates are available for batteries?
Battery rebates vary by state: VIC Solar Battery Rebate $2,950 (income tested), SA Home Battery Scheme subsidy and loans, NSW Peak Demand Reduction Scheme incentives, ACT battery loan scheme, QLD interest-free battery loans. Federal: No direct rebate but batteries increase feed-in value. Total potential savings: $2,000-$4,000 depending on state. Rebates change regularly - installer will confirm current programs.
6 How much will a battery save on my electricity bills?
How much will a battery save on my electricity bills?
Typical savings by battery size: 10kWh battery saves $800-$1,200/year, 13.5kWh battery saves $1,000-$1,500/year, 16kWh battery saves $1,200-$1,800/year. Payback period: 8-12 years average without backup value. Savings depend on: your electricity tariff (time-of-use best), solar system size, current grid electricity rates (25-35c/kWh), feed-in tariff (5-12c/kWh). Batteries make most sense if you export a lot of solar or have time-of-use tariffs.
7 Can a battery power my home during blackouts?
Can a battery power my home during blackouts?
Yes, but depends on system setup. Backup configurations: Full home backup (powers everything - requires larger battery and backup switchboard), Partial backup (selected circuits - fridge, lights, etc), Grid-tied only (no backup - battery turns off during outages). Most batteries come with partial backup standard. Full backup adds $2,000-$4,000 to installation. Backup runtime: 4-12 hours depending on usage and battery size. Solar recharges battery during day.
8 How long do home batteries last?
How long do home batteries last?
Quality batteries last 10-15 years with warranty coverage. Warranty terms: 10 years standard for most brands, 10,000-15,000 cycles guaranteed, 70% capacity retention minimum. Battery lifespan depends on: depth of discharge (shallower = longer life), charge/discharge cycles per day, temperature management, brand quality. Expect gradual capacity decline: 80-85% capacity at 10 years is normal. Plan for eventual replacement as technology improves and costs decrease.
9 Which battery brand is best?
Which battery brand is best?
Top battery brands in Australia: Tesla Powerwall 2 (13.5kWh, proven track record, great warranty), LG Chem RESU (multiple sizes, excellent quality), Sonnen (German quality, advanced features, premium), BYD (good value, proven tech), Alpha ESS (competitive pricing). Best choice depends on: your budget, required capacity, backup needs, inverter compatibility. All our installers use quality brands with proper certifications and local support.
10 Is the quote service really free?
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 certified battery installers easily and safely.
11 Can I add a battery to my existing solar system?
Can I add a battery to my existing solar system?
Yes, most existing solar systems can have a battery added. Requirements: Your solar inverter may need to be replaced with a hybrid inverter ($1,500-$2,500), or you can add an AC-coupled battery (works with existing inverter). Best options for retrofitting: Tesla Powerwall (AC-coupled, works with any inverter), LG Chem with SolarEdge inverter, BYD with Goodwe/Fronius hybrid inverter. Your installer will assess your current system and recommend the best battery solution. Retrofitting is very common - about 60% of battery installations are added to existing solar.
12 What happens to my battery in winter?
What happens to my battery in winter?
Batteries work year-round but winter performance varies: Reduced solar charging (less daylight hours means smaller battery charge), Same discharge capacity (battery still provides full power at night), Optimal temperature (batteries actually prefer cooler weather). Winter strategy: Battery will charge less from solar (maybe 60-80% full), you may need to import some grid power to top up, still saves money during evening peak rates. Most systems still provide 70-90% of summer benefits in winter. Australian winters are mild enough that batteries perform well year-round.
13 Do batteries require maintenance?
Do batteries require maintenance?
Modern batteries need minimal maintenance. Maintenance requirements: Annual visual inspection (check for damage, leaks), Software updates (usually automatic via WiFi), Keep ventilation clear, Monitor performance via app. No user serviceable parts - batteries are sealed units. Most issues covered by 10-year warranty. Average annual cost: $0-$100 (basically nothing for most brands). Battery management system (BMS) handles all optimization automatically. Much less maintenance than solar panels which need occasional cleaning.
14 Can I go completely off-grid with a battery?
Can I go completely off-grid with a battery?
Possible but not recommended for most homes. Off-grid requirements: Very large battery (30-50kWh minimum - $40,000-$80,000), Oversized solar array (15-20kW for reliable charging), Backup generator for cloudy periods, Lifestyle changes (careful energy management). Better approach: Stay grid-connected with large battery for near-independence. Grid connection provides: Backup during extended cloudy weather, ability to export excess solar, lower upfront costs. Most customers achieve 80-95% self-sufficiency with grid-connected battery, which provides the best balance of savings and reliability.
15 What is the difference between AC and DC coupled batteries?
What is the difference between AC and DC coupled batteries?
Two ways to connect batteries to solar: DC-coupled (battery connects before inverter - more efficient 95-98% round-trip, requires hybrid inverter, better for new solar systems), AC-coupled (battery has own inverter - works with existing solar inverter, easier to retrofit, slightly less efficient 90-94%). Best for retrofits: AC-coupled (Tesla Powerwall, Enphase). Best for new systems: DC-coupled (SolarEdge, Fronius hybrid). Efficiency difference is small - both save similar amounts. Your installer will recommend based on your existing equipment.
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Ready to add battery storage?
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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.