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18.05kW Solar + 32.2kWh Battery in Bardon, Brisbane

A Bardon family installed a modern solar and battery system, now generating 78% of their household energy needs.

The Story

For this Bardon home, the decision to go solar came down to long-term value. With energy prices only heading in one direction, they wanted a system sized to eliminate most of their electricity bill from day one.

Connect Energy delivered a 18.05kW solar system with 32.2kWh of integrated battery storage, designed to maximise self-consumption year round.

“Brett, Leonie and their team were experienced, professional, efficient and considerate from the beginning quoting process to the final installation. Highly highly recommend if you are looking for trustworthy quality providers of solar and batteries.”

Verified Google review

The Solution

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

Solar Panels
38 x LONGi 475W
LONGi Hi-MO X10 475W
25yr product / 30yr performance warranty

Inverter
Sigenergy 15.0kW
SigenStor EC 15.0TP (Sigenergy)
10yr warranty

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

System Performance

The system generates 26,226 kWh per year, with the battery storing excess daytime generation for evening and overnight use. This covers 78% of the household’s annual energy consumption.

Monthly Generation (kWh/day)

96
Jan
84
Feb
74
Mar
60
Apr
44
May
42
Jun
48
Jul
61
Aug
78
Sep
82
Oct
94
Nov
99
Dec

Financial Impact

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

$162,650+
Estimated Lifetime Bill Savings (20 years)
$16,682+
Government Rebates Applied

78%
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 $16,682.

Environmental Impact

21 tonnes
CO₂ reduced per year

4,052
Trees planted equivalent

467
Long-haul flights avoided

Frequently Asked Questions

How much can a 18kW solar system with battery save in Bardon, Brisbane?
A 18.05kW solar system with 32.2kWh battery in Bardon generates approximately 26,226 kWh per year, covering 78% 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.