The Ultimate 2025 Guide to Solar Batteries in Australia
How the New Cheaper Home Battery Program Can Cut Costs and Maximise Savings
Australia is stepping into a new era of clean energy. With electricity prices still high and solar adoption at record levels, the next frontier is home energy storage. The Cheaper Home Battery Program, launching 1 July 2025, is designed to make solar batteries more affordable for households and small businesses across the country.
If you’ve ever wondered whether adding a battery to your solar setup is worth it, this is the year to find out.
What Is a Solar Battery?
A solar battery stores excess solar energy produced during the day so you can use it at night or during cloudy periods. Instead of sending your extra solar power back to the grid for a small feed-in tariff, a battery allows you to use your own solar power around the clock, increasing your energy independence and reducing your bills.>
When combined with smart energy management, batteries can also provide backup power during outages and participate in Virtual Power Plants (VPPs)—programs that pay you for helping support the grid.
The Cheaper Home Battery Program: Explained
The Australian Government launched the Cheaper Home Battery Program in July 2025 to accelerate the transition to renewable energy and help Australians save on energy bills.
Key points:
- Start date: 1 July 2025
- Goal: Reduce battery installation costs by around 30% on average
- Target: 1 million batteries installed nationwide by 2030
- Eligibility: Homeowners and small businesses installing a new battery, either with new or existing solar panels
- Delivery: Via expansion of the existing Small-scale Renewable Energy Scheme (SRES)
The rebate is applied upfront at the point of sale, reducing the total cost you pay your installer. It can also stack with existing state rebates or low-interest loans, depending on where you live.
Your total savings come from two areas:
- The upfront discount on the battery installation
- Ongoing electricity bill savings every year
Federal rebate savings
On average, households can save around $4,000 off the installation cost through the national program.
Annual electricity bill savings
With a well-sized battery:
- A typical home can save $1,000–$2,300 per year on electricity bills
- Homes with large evening energy use (e.g., electric vehicles, electric heating, cooking) can save even more
- Joining a Virtual Power Plant (VPP) can earn additional credits, often $100–$400 per year
Over the battery’s lifespan (usually 10–15 years), that translates into $10,000–$20,000 in total savings, depending on your setup and location.
State and Territory Incentives (2025)
Victoria
Still running its Solar Homes Program, offering interest-free battery loans up to $8,800. You can combine this with the federal discount to greatly reduce upfront costs.
New South Wales
The previous rebate structure has transitioned into VPP-based incentives under the Peak Demand Reduction Scheme. NSW residents can now receive federal rebates and additional bill credits through approved VPP participation.
Queensland
The earlier Battery Booster program has ended, but households are eligible for the federal discount. Some energy retailers offer top-up incentives or VPP payments.
Western Australia
The Residential Battery Scheme launched in mid-2025 provides up to $3,800 in additional support for households connected to Synergy or Horizon Power. Combined with the federal discount, total support can exceed $7,000 for larger systems.
South Australia, Tasmania, NT, ACT
These states currently focus on federal incentives, but some local councils and VPP operators offer small cash-back or credit programs for battery participants.
How Solar Batteries Work Day-to-Day
- During the day: Your solar panels generate electricity.
- Surplus power: Instead of exporting it to the grid, your battery stores the excess.
- At night: The stored energy powers your home.
- During blackouts: If configured with backup capability, your battery keeps critical circuits (like lights and fridges) running.
- Optional: You can allow your battery to share power with the grid during high-demand periods through a Virtual Power Plant, earning credits.
This cycle repeats every day, lowering grid consumption and stabilising your energy costs.
Battery Sizes and Energy Capacity
Battery capacity is measured in kilowatt-hours (kWh).
- Small homes: 5–10 kWh
- Medium homes: 10–14 kWh
- Large homes or those with EVs: 14–20+ kWh
The right size depends on your daily electricity use, solar generation, and whether you want backup power.
A professional installer can assess your usage profile, tariff structure, and solar export limits to recommend the most cost-effective size for your home.
Payback Periods and Return on Investment
Battery prices have fallen dramatically over the last few years, and with the 2025 rebates, payback times are shorter than ever.
Typical payback range:
- Without rebates: 10–12 years
- With federal rebate: 6–9 years
- With stacked state incentives or VPP credits: 5–7 years
After that, your battery essentially provides free stored energy and continues to reduce your bills for years.
Virtual Power Plants (VPPs)
A Virtual Power Plant is a network of connected batteries that share energy with the grid during peak times. By joining one, you can:
- Earn bill credits or cash payments
- Help stabilise the energy grid
- Support Australia’s renewable transition
Participation is voluntary, and you can usually opt out. VPPs are available through major energy retailers in most states.
Why Now Is the Best Time to Install a Battery
- Biggest rebates yet: The 2025 federal program offers the largest national battery incentive ever.
- Energy independence: Reduce reliance on the grid and avoid rising electricity prices.
- Backup power: Stay powered during blackouts and grid outages.
- Future-proof your home: Batteries complement EV charging, electric hot water, and all-electric homes.
- Environmental impact: Every stored kWh of solar power displaces fossil-fuel-generated electricity.
How to Get Started
- Check your eligibility: Most homes with existing or new solar systems qualify.
- Assess your usage: Review your electricity bills to find your average daily consumption.
- Consult a licensed installer: Get a professional site inspection to determine the right battery size and potential savings.
- Apply for rebates: Your installer will help claim the federal and any applicable state incentives directly.
- Install and connect: Once installed, you’ll start saving from day one.
Final Thoughts
The Cheaper Home Battery Program marks a turning point in Australia’s clean energy journey. By making solar batteries more affordable, it empowers households to take control of their energy use, cut costs, and contribute to a more stable, sustainable grid.
Whether you’re adding storage to an existing solar system or starting fresh, 2025 is the smartest time to invest.
Evitech can help guide you through every step—from system design to rebate applications—ensuring your home battery delivers maximum savings and performance.
Call 1300 137 974 or visit www.evitech.com.au to book your assessment or request a quote.