9 October 2025, 4 mins
Thinking about installing a home battery? You’re not alone. With energy prices rising and more Australians looking to get the most out of their solar, batteries are a hot topic. But is a battery right for you? Let’s break down the benefits, the drawbacks, and how Flow Power can help you make the smartest choice.
A battery lets you store excess solar energy generated during the day and use it at night, instead of sending it back to the grid for a low feed-in tariff. According to the Clean Energy Council, the average Australian solar household exports about 50% of their solar energy to the grid. With a battery, you can use more of your own clean energy and reduce your reliance on the grid.
By using stored energy during peak times, when electricity is most expensive – you can cut your bills. Households with solar and a battery can save up to 80% on their annual electricity costs, depending on usage and system size (Solar Victoria).
Many batteries provide backup power during outages, keeping your lights (and Wi-Fi!) on when the grid goes down. This is especially valuable in areas prone to storms or grid instability (CSIRO).
Batteries help smooth out the peaks and troughs in energy demand, making it easier to integrate more renewables into the grid. The Australian Energy Market Operator (AEMO) notes that distributed batteries are key to a stable, renewable-powered future (AEMO ISP 2022).
With the new federal Cheaper Home Batteries Program launching in 2025, eligible households can get up to $2,000 off a battery, plus extra discounts from Flow Power and some state governments (SolarQuotes, Flow Power Cheaper Home Batteries Program).
Batteries aren’t cheap. A typical home battery system costs between $8,000 and $15,000 before rebates (SolarQuotes). Even with incentives, it can be a significant investment.
Depending on your energy use, solar system size, and local tariffs, payback can range from 7 to 12 years (Choice). If you use most of your power during the day, or have low overall usage, the payback may be longer.
Some batteries don’t automatically provide backup during blackouts. Check the specs before you buy (SolarQuotes).
Battery technology is improving fast, but warranties typically last 10 years. It’s important to choose a reputable brand and installer (Clean Energy Council).
Flow Power is an approved provider, so you can access the federal rebate directly through us, plus an extra $1,200 discount.
Our app helps you charge your battery when energy is cheapest and greenest and track your savings.
We’ll help you choose the right battery for your needs and make the most of your solar.
Our team handles everything from quotes to switch-on.
A battery can help you save money, use more of your own solar, protect your home from blackouts, and support a cleaner grid. But it’s a big investment, and the benefits depend on your individual circumstances – like your energy use, solar system size, and local tariffs.
The bottom line: For many Australians, especially those with high evening usage or in areas with frequent outages, a battery is a smart move, especially with new rebates making them more affordable. But batteries aren’t one-size-fits-all.
Get a personalised assessment from Flow Power. We’ll check rebates, estimate your savings, and walk you through the options so you can make the smartest choice for your home, your budget, and the planet.
Get a quote