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Residential Install

13.3kW Solar + 40.3kWh Battery in Wakerley, Brisbane

A Wakerley family installed a modern solar and battery system, now generating 109% of their household energy needs.

The Story

Rising electricity costs and unreliable grid supply prompted this Wakerley 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 13.3kW array paired with 40.3kWh of Sigenergy battery storage, optimised for the home’s consumption pattern.

The Solution

Connect Energy installed a complete solarand battery solution for this Wakerley home, selecting premium equipment suited to the site’s generation profile.

Solar Panels
28 x LONGi 475W
LONGi Hi-MO X10 475W
25yr product / 30yr 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 20,762 kWh per year, with the battery storing excess daytime generation for evening and overnight use. This covers 109% of the household’s annual energy consumption.

Monthly Generation (kWh/day)

69
Jan
67
Feb
65
Mar
52
Apr
39
May
40
Jun
49
Jul
52
Aug
62
Sep
63
Oct
62
Nov
66
Dec

Financial Impact

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

$153,699+
Estimated Lifetime Bill Savings (20 years)
$15,884+
Government Rebates Applied

109%
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 $15,884.

Environmental Impact

17 tonnes
CO₂ reduced per year

3,208
Trees planted equivalent

378
Long-haul flights avoided

Frequently Asked Questions

How much can a 13kW solar system with battery save in Wakerley, Brisbane?
A 13.3kW solar system with 40.3kWh battery in Wakerley generates approximately 20,762 kWh per year, covering 109% 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.

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.