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17.1kW Solar + 32.2kWh Battery in Sherwood, Brisbane

A Sherwood family installed a modern solar and battery system, now generating 354% of their household energy needs.

The Story

This Sherwood household wanted more than just solar panels on the roof. They wanted genuine energy independence, with enough storage to power through the evening and overnight without relying on the grid.

Connect Energy designed a 17.1kW system with 32.2kWh of battery storage, matched to the home’s energy profile and roof orientation.

The Solution

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

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

Inverter
Sigenergy 20.0kW
SigenStor EC 20.0TP (Sigenergy)
10yr warranty

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

System Performance

The system generates 25,772 kWh per year, with the battery storing excess daytime generation for evening and overnight use. This covers 354% of the household’s annual energy consumption.

Monthly Generation (kWh/day)

94
Jan
82
Feb
73
Mar
59
Apr
44
May
42
Jun
48
Jul
61
Aug
77
Sep
81
Oct
91
Nov
96
Dec

Financial Impact

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

$87,430+
Estimated Lifetime Bill Savings (20 years)
$16,378+
Government Rebates Applied

354%
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

21 tonnes
CO₂ reduced per year

3,982
Trees planted equivalent

467
Long-haul flights avoided

Frequently Asked Questions

How much can a 17kW solar system with battery save in Sherwood, Brisbane?
A 17.1kW solar system with 32.2kWh battery in Sherwood generates approximately 25,772 kWh per year, covering 354% 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.