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13.3kW Solar + 32.2kWh Battery in Mansfield, Brisbane

A Mansfield family installed a modern solar and battery system, now generating 226% of their household energy needs.

The Story

Rising electricity costs and unreliable grid supply prompted this Mansfield 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 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 Mansfield 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
4 x Sigenergy 8kWh
32.2kWh total storage
10yr warranty

System Performance

The system generates 20,350 kWh per year, with the battery storing excess daytime generation for evening and overnight use. This covers 226% of the household’s annual energy consumption.

Monthly Generation (kWh/day)

69
Jan
62
Feb
58
Mar
49
Apr
38
May
38
Jun
43
Jul
52
Aug
62
Sep
61
Oct
67
Nov
70
Dec

Financial Impact

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

$105,347+
Estimated Lifetime Bill Savings (20 years)
$13,414+
Government Rebates Applied

226%
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 $13,414.

Environmental Impact

16 tonnes
CO₂ reduced per year

3,144
Trees planted equivalent

356
Long-haul flights avoided

Frequently Asked Questions

How much can a 13kW solar system with battery save in Mansfield, Brisbane?
A 13.3kW solar system with 32.2kWh battery in Mansfield generates approximately 20,350 kWh per year, covering 226% 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.