Your solar panels earn the most when what they generate stays in your home. Helcro Solar is a leading solar battery Melbourne installer, capturing surplus daytime generation to power your home through the night.
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Helcro Solar · South Melbourne
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18+
Years in Business
2,000+
Melbourne Installs
10 yr
Battery Warranty
5★
Rated on Google
Solar Battery Melbourne
Victorian feed-in tariff rates have fallen to as low as 3.3 cents per kWh, meaning surplus solar generation exported to the grid returns almost nothing compared to the 25 to 35 cents per kWh Melbourne households pay to import electricity in the evening. Solar battery storage changes this equation by capturing surplus daytime generation and making it available when it is worth the most, at night.
Helcro Solar has provided solar panel installation in Melbourne for over 18 years, and our solar battery Melbourne team is an authorised installer of seven major battery brands. We size every system against your actual interval meter data rather than average consumption estimates. Every installation includes network notification, monitoring setup, and battery run schedule programming.
Authorised Across 7 Brands
Sized Against Your Interval Data
Retrofit or New System
Monitoring and Run Schedule Included
Blackout Protection Available
Why Add Battery Storage Now
Victoria's minimum feed-in tariff fell to 3.3 cents per kWh in 2024, less than one tenth of the 33 cents per kWh Melbourne households typically pay for grid electricity. Every kilowatt-hour a battery stores instead of exporting is worth ten times more than what the grid would pay for it. The economics of solar battery storage in Melbourne have never been stronger, and with battery prices continuing to decline year on year, the payback period on a well-sized system has shortened significantly.
7–10 yr
Typical Melbourne battery payback period
3.3c
Victorian minimum feed-in tariff per kWh (2024)
10 yr
Battery warranty across all brands we install
33c
Typical Melbourne grid import rate per kWh
Our Core Service
Full-service solar battery installation for Melbourne homes and businesses. We assess your existing solar system or design a new one, recommend the right battery brand and capacity for your usage, then handle the installation, network notification, and monitoring setup from start to finish.
Battery Brands
Helcro Solar installs and warranties solar battery systems from the seven most trusted brands available in Australia. We recommend a brand based on your existing inverter, home size, blackout requirements, and budget, not on margin.
Sungrow
Tesla
Enphase
BYD
Sonnen
SolarEdge
GoodWe
Battery Comparison
Key specifications for the seven solar battery brands Helcro Solar installs in Melbourne. System sizing and brand selection are finalised based on your actual usage data and existing inverter compatibility.
| Feature | Sungrow | Tesla | Enphase | BYD | Sonnen | SolarEdge | GoodWe |
|---|---|---|---|---|---|---|---|
| Base capacity | 9.6kWh | 13.5kWh | 3.84kWh | 5.1kWh | 5kWh | 9.7kWh | 6.55kWh |
| Max capacity | 100kWh | 54kWh | 61.4kWh | 256kWh | 30kWh | 29.1kWh | 19.6kWh |
| Warranty | 10 years | 10 years | 10 years | 10 years | 10 years | 10 years | 10 years |
| Blackout backup | Yes | Yes | Yes | Optional | Yes | Yes | Optional |
| AC-coupled | No | Yes | Yes | No | Yes | No | No |
| 3-phase compatible | Yes | No | Yes | Yes | Yes | No | Yes |
| Best suited to | New installs | All-in-one | Retrofits | Commercial | Premium homes | SolarEdge systems | GoodWe systems |
Battery Payback Calculator
Enter your postcode for an instant estimate of how long a solar battery would take to pay for itself based on your local feed-in tariff and electricity rates. For an exact figure based on your actual usage data, request a free quote and we will provide a detailed payback calculation.
Customer Reviews
Christine L
Brighton, Melbourne
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Glen Waverley, Melbourne
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Malvern, Melbourne
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Helcro Solar · South Melbourne
Frequently Asked Questions
A 10kWh solar battery will power a typical Melbourne home for approximately 8 to 15 hours depending on usage. A household consuming an average of 0.7kWh per hour in the evening would run for around 14 hours on a 10kWh battery, assuming an 80% depth of discharge. In practice, most Melbourne households use a 10kWh battery to cover their overnight consumption from approximately 5pm to 7am. Most quality solar batteries, including the Tesla Powerwall 3 at 13.5kWh and the Sungrow SBH at 9.6kWh, are sized to cover a full overnight cycle for a medium-sized Australian household. Battery life in terms of calendar years is typically 10 years under manufacturer warranty, with most units rated to retain at least 70% of their original capacity at end of warranty.
A 40kWh solar battery system in Australia typically costs between $25,000 and $45,000 installed, depending on the battery brand, inverter configuration, and installation complexity. At this capacity, the most common configurations use multiple stacked battery units. BYD HVM and LVS series batteries, Sungrow SBH, and Sonnen eco can all be stacked to reach 40kWh. Commercial and large residential applications that require 40kWh of storage are typically three-phase systems with more complex installation requirements, which influences the installed cost. Helcro Solar provides itemised proposals for large-format battery installations with full payback calculations based on your actual usage data.
For a typical Melbourne home consuming 20kWh to 25kWh per day, a battery bank of 10kWh to 15kWh is sufficient to cover overnight consumption from around 5pm to 7am. The correct battery size depends on three factors: your total daily electricity consumption, what proportion of that consumption occurs after solar generation stops, and whether you want full backup capability or just evening bill reduction. Most Melbourne households install a 10kWh to 13.5kWh system, such as the Tesla Powerwall 3 at 13.5kWh or a Sungrow SBH at 9.6kWh. Larger households with high evening loads, pool heating, or EV charging benefit from stacked battery systems in the 20kWh to 30kWh range. Helcro Solar sizes every battery system against your actual interval meter data rather than average consumption figures.
The Tesla Powerwall 3 has a usable storage capacity of 13.5kWh and can power a typical Melbourne home for approximately 12 to 20 hours depending on consumption. At average overnight consumption of 0.7kWh to 1.1kWh per hour, a Powerwall 3 covers a full overnight cycle from 5pm to 7am for most 3 to 4 bedroom homes. In a blackout scenario with solar panels generating during the day, the Powerwall 3 can operate indefinitely by recharging during daylight hours and discharging at night, provided solar generation is sufficient. The Powerwall 3 also includes an integrated 11.5kW inverter, which eliminates the need for a separate solar inverter. Helcro Solar is an authorised Tesla Powerwall installer in Melbourne and manages the full installation including network notifications.
Melbourne Service Areas
1300 435 276
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Mount Eliza, Mount Martha, Glen Waverley, Brighton, Dandenong, Rowville, St Kilda, Burwood, Laverton, Williamstown, Altona, Yarraville, Frankston, Cheltenham, Springvale, Keysborough, Mulgrave, Oakleigh, Mornington Peninsula
