The Story
Rising electricity costs and unreliable grid supply prompted this Eight Mile Plains family to invest in a complete solar and battery solution. Their goal was simple: generate their own power and store enough to cover the hours when the sun isn’t shining.
Connect Energy specified a 8.36kW array paired with 40.3kWh of Sigenergy battery storage, optimised for the home’s consumption pattern.
The Solution
Connect Energy installed a complete solar and battery solution for this Eight Mile Plains home, selecting premium equipment suited to the site’s generation profile.
Solar Panels
19 x LONGi 440W
LONGi Hi-MO X6 440W
25yr product / 25yr performance warranty
Inverter
Sigenergy 10.0kW
SigenStor EC 10.0SP (Sigenergy)
10yr warranty
Battery
5 x Sigenergy 8kWh
40.3kWh total storage
10yr warranty
System Performance
The system generates 12,736 kWh per year, with the battery storing excess daytime generation for evening and overnight use. This covers 159% of the household’s annual energy consumption.
Monthly Generation (kWh/day) Financial Impact
This system significantly reduces the household’s electricity costs, with savings that grow as energy prices rise.
$83,726+
Estimated Lifetime Bill Savings (20 years)
$16,378+
Government Rebates Applied
159%
Annual Generation vs Household Use
Government incentives applied to this project included Small-scale Technology Certificates (STCs) and the Queensland Cheaper Home Batteries Program, which together reduced the upfront cost by over $16,378.
Environmental Impact
10 tonnes
CO₂ reduced per year
1,958
Trees planted equivalent
222
Long-haul flights avoided
Frequently Asked Questions
How much can a 8kW solar system with battery save in Eight Mile Plains, Brisbane?
A 8.36kW solar system with 40.3kWh battery in Eight Mile Plains generates approximately 12,736 kWh per year, covering 159% of typical household energy usage. Homeowners can expect significant annual savings on their electricity bills.
What solar rebates are available in Brisbane?
Brisbane homeowners can access Small-scale Technology Certificates (STCs) and the Queensland Cheaper Home Batteries Program, which together can reduce upfront costs significantly on a system with battery storage. Connect Energy handles all rebate paperwork as part of the installation.
Can I add battery storage to my existing solar system?
Yes. Connect Energy frequently upgrades existing solar systems with modern battery storage. In many cases, adding a battery alongside a panel upgrade maximises your investment and allows you to store excess generation instead of exporting it at minimal feed-in rates.
Related Services
Interested in a similar setup for your own home or business? Explore our Solar Battery Storage and Solar Panel Installation service, or browse more Brisbane solar & battery case studies.
