A Full Solar and Battery Upgrade in Daisy Hill, QLD

The challenge

Like a lot of homeowners across South East Queensland, this Daisy Hill family had solar panels for years, but the system was ageing and no longer pulling its weight. Power bills had been creeping up, and because the old setup had no battery, the household was missing out on the power their own panels caught every afternoon. They wanted a proper replacement rather than a patch job, a battery that would let them use their own power at night and during outages, and a local installer they could trust to size the system to their actual usage rather than sell them whatever was easiest to install.

The Rethink Green Energy Solution

Rethink Green Energy started with a full assessment of the property and the household's real consumption, rather than simply swapping the old panels for new ones. The team removed the ageing solar array and inverter completely and designed a new 7.04kW system built around 16 high output panels, a GoodWe 9.999kW hybrid inverter and four GoodWe battery modules for a combined 20.48kWh of storage. Every component was chosen to match the roof and the family's day to day usage, not to hit a bigger number on the quote. Because the job was carried out by CEC accredited installers and backed by Rethink Green Energy's 25 year workmanship warranty, the family also gained the ongoing support that many solar owners never get from their original installer.

Installation and Project Delivery

Installation began with the safe removal of the original panels and inverter, followed by the mounting of 16 new panels across the tiled roof in an east facing run to capture the morning and midday sun. The hybrid inverter and battery bank were installed and connected to the existing switchboard, then the full system was tested and commissioned on site. Once the installation was confirmed to be electrically safe and compliant with the Electrical Safety Regulation 2013, a certificate of testing and compliance was issued and the system was registered for its Small scale Technology Certificates through the Clean Energy Regulator scheme, with a five year deeming period locked in. The household had a live, grid connected system generating electricity the same day the new equipment was fitted.

Why This Project Matters

This project showed what a proper solar upgrade looks like when it is done right, rather than simply bolting a battery onto an underperforming system. The whole setup was replaced and resized around what the household actually used. The family started generating a meaningful share of their own power, storing it for the evening instead of losing it back to the grid, and came away with a fully documented, compliant installation on file for future reference. For any homeowner sitting on an old solar system and wondering whether an upgrade is worth it, this project is a clear example of what that upgrade can look like.

Why Choose Rethink Green Energy?

Rethink Green Energy is a family owned, Australian operated solar business servicing homes and businesses across Queensland and New South Wales. Every job is carried out by CEC accredited installers and backed by a 25 year workmanship warranty, one of the strongest in the industry. Systems are designed around each customer's actual usage rather than oversold to increase the sale, and $0 upfront options mean cost is never the reason a household misses out on going solar.

Get a Free Assessment

Thinking about replacing an old solar system or adding a battery of your own? Book a free, no obligation assessment with Rethink Green Energy and find out what a system built around your real usage could look like. Call 1300 115 209 or request your free assessment online today.