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Residential Install

15.2kW Solar + 32.2kWh Battery in Shailer Park, Brisbane

A Shailer Park family installed a modern 15.2kW solar and battery system generating 6,157 kWh per year.

The Story

Rising electricity costs and unreliable grid supply prompted this Shailer Park 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 15.2kW array paired with 32.2kWh of Sigenergy battery storage, optimised for the home’s consumption pattern.

The Solution

Connect Energy installed a complete solar and battery solution for this Shailer Park home, selecting premium equipment suited to the site’s generation profile.

Solar Panels
12 x LONGi 475W
LONGi Hi-MO X6 MAX 475W
25yr product / 25yr performance warranty

Inverter
Sigenergy 8.0kW
SigenStor EC 8.0SP (Sigenergy)
10yr warranty

Battery
4 x Sigenergy 8kWh
32.2kWh total storage
10yr warranty

System Performance

The system generates 6,157 kWh per year, with the battery storing excess daytime generation for evening and overnight use.

Monthly Generation (kWh/day)

70
Jan
68
Feb
63
Mar
50
Apr
38
May
37
Jun
45
Jul
50
Aug
59
Sep
61
Oct
63
Nov
68
Dec

Financial Impact

This system significantly reduces the household’s electricity costs, with savings that grow as energy prices rise.

$75,415+
Estimated Lifetime Bill Savings (20 years)
$12,862+
Government Rebates Applied

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 $12,862.

Environmental Impact

16 tonnes
CO₂ reduced per year

3,138
Trees planted equivalent

356
Long-haul flights avoided

Frequently Asked Questions

How much can a 15kW solar system with battery save in Shailer Park, Brisbane?
A 15.2kW solar system with 32.2kWh battery in Shailer Park generates approximately 6,157 kWh per year. 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.

Connect Energy delivers comprehensive residential, commercial, and industrial solar solutions across Brisbane. From custom installation to ongoing maintenance, we empower communities with reliable, sustainable power.