Some of our recent projects
Explore our recent projects and hear from the people behind them, with customer reviews and client feedback. Our two featured homes are documented through a property listing and an on site video.
5 case studies · 3 quoted from published reviews · 2 from client statements in Sunstak's capability statement
Residential Projects
See how we’ve helped local households with solar and battery systems tailored to their homes and energy needs.
22.4 kW of solar and two Powerwalls Red Hill
Luxury of energy independence in Red Hill
Solar laid across three separate faces of the roof, and two Tesla Powerwalls on the garage wall below. Three phase supply decides the design on a home this size, before anything reaches the roof.
- Solar
- 22.4 kW
- Supply
- Three-phase
- Battery
- Tesla Powerwall 2 × 2
- Battery capacity
- 27 kWh
Solar, a Powerwall 3 and a gateway On film
Beach House Ready for Any Challenges
Richard showcases the completed rooftop solar installation, paired with a Tesla Powerwall 3 and Expansion Pack to provide greater energy independence and whole-home blackout protection during emergencies such as bushfires.
- Panels
- 12 × WINAICO WBC Ultra Black
- Inverter
- Enphase microinverters
- Battery
- Powerwall 3 + Expansion Pack
- Battery capacity
- 27 kWh
Tesla Powerwall 3 ACT 2906
The spot stayed, the battery changed
The standards decide where a battery can sit: clearances, the wall behind it, and the run back to the switchboard. Here the position the owner wanted stayed, and the battery changed to one rated to live outdoors. A plumber capped a disused gas line on the same visit.
Everything was smooth from the initial quote, through to the installation. There was some initial back and forth about which type of battery to install and location. In the end my preferred location was not going to meet standards which then meant having to change the brand of battery to one that would be more suitable outdoors. This was all handled well by Michael and the team.
Steve SolarQuotes - Battery
- Tesla Powerwall 3
- Battery capacity
- 13.5 kWh
- Siting
- Rated for outdoors
- On the day
- Plumber capped a gas line
Battery retrofits
See how we’ve helped households add battery storage to their existing solar and use more of the energy they generate.
Second Tesla Powerwall ACT 2600
A second battery, and the first one fixed
The owner already had a battery from another company, installed a year earlier, and wanted a second one beside it. We inspected that first install as part of the job. Faults nobody could see at quoting turned up on the day, and we corrected them at no charge.
Sunstak have just added a second Tesla Powerwall battery to my system, which had been installed a year ago by another provider. … The quality and professionalism of the installation was particularly impressive. Several deficiencies in the installation of the existing battery by my previous supplier were rectified without cost or question, even though some were not apparent at the time of quoting.
Peter SolarQuotes - Battery
- Tesla Powerwall 3
- Battery capacity
- 27 kWh, two units
- Existing battery
- Fitted a year earlier by another provider
- Rectification
- Previous supplier's defects, no charge
Battery retrofit ACT 2905
Quoted after seeing the home
Retrofitting storage to an existing array depends on things only a site visit shows. The inverter already fitted, spare ways in the switchboard, where a battery can legally sit, and how far that is from the meter. Some of the companies asked to quote this job never visited the home.
I reviewed all of the companies on the ACT Government approved list for a solar battery to add to my existing solar panel system. I sought quotes from the 6 best rated companies. From the 4 quotes I received I chose SunStak. The main reason I chose them was because they were the most responsive, helpful and reasonably priced, a couple of the others didn't even visit the house before quoting.
Berceuse SolarQuotes - Work
- Battery added to an existing array
- Approved list
- ACT Government battery scheme
- Quotes sought
- Six approached, four quoted
- Site visit
- Some competitors quoted without one
Commercial
See how we’ve helped schools, embassies and community organisations with energy systems designed around their buildings and daily operations.
Commercial rooftop solar Wanniassa ACT
Trinity Christian School
A school roof is a set-out problem with a deadline attached. We planned, delivered and commissioned the array inside the break before the new term. Somebody else coordinated the site. 40 kW of panels onto one long hall roof, in five days, with six people on it.
Thank you for delivering this project before the start of a new school term
Project Manager, Trinity Christian School Sunstak Capability Statement, July 2025 - Panels
- Trina Solar
- Inverter
- 30 kW Sungrow commercial
- Solar
- 40 kW
- On site
- Five days, six staff
Commercial solar and battery Lyneham ACT
A temple in Lyneham
Community members referred the temple, worried about its power bills. The complex is large and draughty, and expensive to heat. 20 kW of solar and a 20 kWh battery, with the meter board upgraded to carry it. The battery holds the demand peak down, which a commercial tariff charges separately from the energy.
The Abbot is very pleased and wishes to pass on his appreciation and support to get this project delivered
Project Manager, Wat Dhammadharo Sunstak Capability Statement, July 2025 - Solar
- 20 kW
- Battery
- Sungrow SBH Battery
- Battery capacity
- 20 kWh
- Switchboard
- Meter board upgraded
See what we could do at your home
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- Solar Accreditation Australia approved
★★★★★
Having used two other installers previously, the Sunstak experience is head and shoulders superior…
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