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Residential Install

13.16kW Solar + 32.2kWh Battery in Gaythorne, Brisbane

Over $94,193 in estimated lifetime savings for this Brisbane home with a massive solar and battery system.

The Story

This Gaythorne household now produces 306% of their own energy. We installed a huge 13.16kW solar array. We paired it with a massive 32.2kWh battery system. Summer aircon bills are no longer a problem.

The subtropical Brisbane sun generates an estimated 19,624 kWh a year for this property. That easily covers daily usage and fills the batteries. The owners reached out after a mate recommended us. They wanted top tier gear and a neat finish.

Government rebates saved them over $9,232.50 upfront. The system pays for itself in under ten years. They can expect lifetime savings above $94,193. That is how you handle Energex tariffs properly.

Installation Photos

The Solution

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

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 19,624 kWh per year, with the battery storing excess daytime generation for evening and overnight use. This covers 306% of the household’s annual energy consumption.

Monthly Generation (kWh/day)

69
Jan
61
Feb
56
Mar
46
Apr
35
May
34
Jun
39
Jul
49
Aug
60
Sep
60
Oct
67
Nov
70
Dec

Financial Impact

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

$94,193+
Estimated Lifetime Bill Savings (20 years)
$9,232.50+
Government Rebates Applied

306%
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 $9,232.50.

Environmental Impact

16 tonnes
CO₂ reduced per year

3,060
Trees planted equivalent

356
Long-haul flights avoided

Frequently Asked Questions

How much roof space do I need for a 13kW solar system?
You generally need around thirty to forty panels for a 13kW system. That takes up roughly 60 to 80 square metres of roof space. We always measure your roof to ensure the perfect fit.

Is a 32kWh battery too big for a normal house?
It depends on your daily energy usage and electric vehicle charging habits. A 32kWh battery is large but perfect for heavy power users. It easily runs air conditioning overnight and charges cars from solar.

Can I charge my electric vehicle from my home solar system?
Absolutely. We can install bidirectional direct current chargers that integrate directly with your solar and battery setup. This lets you power your car using pure sunshine instead of grid electricity.

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.