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14.2kW Solar + 36.2kWh Battery in Tarragindi, Brisbane

A Tarragindi family installed a 14.2kW solar and 36.2kWh battery system, generating 12,226 kWh per year.

14.2kW
System Size
36.2kWh
Battery Storage
16
Panels

Battery in Tarragindi: Case Study Snapshot

This battery in Tarragindi installation shows what a well-matched solar and storage system delivers for a Brisbane household.

The Story

Rising electricity costs prompted this Tarragindi family to invest in a complete solar and battery solution.

Connect Energy specified a 14.2kW array paired with 36.2kWh of battery storage, optimised for the home’s consumption pattern.

“Brett and his team did a great job through the design and install, answering all our barrage of questions and proving solid advice and service.”

Verified Google review

Installation Photos

The Solution

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

Solar Panels
16 x LONGi 475W
LONGi Hi-MO X6 MAX 475W
25yr product / 25yr performance warranty

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

Battery
4 x Sigenergy 9kWh
36.2kWh total storage
10yr warranty

System Performance

The system generates 12,226 kWh per year, with the battery storing excess daytime generation for evening and overnight use.

Monthly Generation (kWh/day)

72
Jan
65
Feb
63
Mar
55
Apr
44
May
45
Jun
51
Jul
60
Aug
69
Sep
67
Oct
71
Nov
73
Dec

Financial Impact

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

$102,285+
Estimated Lifetime Bill Savings (20 years)
$7,950+
Government Rebates Applied

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 $7,950.

Environmental Impact

18 tonnes
CO₂ reduced per year

3,347
Trees planted equivalent

400
Long-haul flights avoided

Frequently Asked Questions

How much can a 14.2kW solar + 36.2kWh battery save in Tarragindi?
A 14.2kW system with 36.2kWh battery in Tarragindi generates approx. 12,226 kWh/year. Payback: under 6 years.

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 significantly reduce upfront costs. Connect Energy handles all rebate paperwork as part of the installation.

Can I add battery storage to my existing solar system?
Yes. Connect Energy regularly upgrades existing solar systems with modern battery storage, letting you 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.

Read more: Solar & Battery in Tarragindi: What a 14kW System Really Costs (2026)

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.