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Off-Grid Solar Power Setup in Tungkillo, Adelaide Hills

Project Type

Commerical Solar & Storage

About The Project

We installed a complete off-grid Victron Energy solar setup for our client in Tungkillo, providing a reliable, cost-effective alternative to their expensive generator.

The Objective

Our client needed a dependable off-grid power solution for their shed, with the flexibility to expand when they build their future home. Their existing generator was noisy, high-maintenance, and costly to run. They wanted a system that could handle daily power demands without the hassle of refuelling and servicing.

Our Approach

We love a challenge, and this project was no exception. Bringing off-grid solar power solutions to a property is always rewarding, but we don’t just install systems—we engineer solutions that make life easier, cut costs, and future-proof energy needs.
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Inverter & Battery Setup

This wasn’t just about slapping some panels on a roof. The backbone of this system is a Victron MultiPlus 15kVA Inverter Charger, an absolute beast of a unit that provides a seamless transition between solar and generator backup. The client can run their entire shed just as if they were connected to the grid.

To keep the lights on through the night, we installed four Pylontech US5000B batteries, delivering a solid 20kWh total storage (with 19kWh usable). This ensures they have the energy reserves to handle daily demands, with room to grow when they eventually build their home. The best part? The system is built to scale—another two modules can be added in the future for an extra 10kWh of storage.

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High-Efficiency Panel Placement

Power generation starts with 30 AIKO 440W Neo Star Solar Panels, and these aren’t just any panels—they’re high-performance, shade-tolerant, and sleek-looking (because why not have good-looking solar?). We had to work around a south-sloping roof, so we used reverse tilt brackets from Kenergy to maximise north-facing exposure. This means optimal energy capture throughout the day, despite the tricky roof orientation.

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Precision Solar Management

A good off-grid solar power solution is all about balance, and that’s where our Dual Victron MPPT Charge Controllers (250V 100A) come in. These manage the solar input with precision, squeezing out every bit of available sunlight to keep the batteries topped up. We originally planned on using the 450/200 MPPTs, but due to availability, we adapted—opting for two 250/100s instead, ensuring no drop in performance.

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Smart Monitoring & Redundancy

The system features a Victron GX Touch 50, a slick interface that gives real-time insights into power usage and generation. And since no one wants to babysit their energy system, everything is connected to the Victron VRM Portal, so the client can check in on their setup from anywhere in the world.

And because we believe in redundancy, we installed a generator changeover switch. If the MultiPlus-II ever needs maintenance, the client can flick a switch and seamlessly revert to generator power—no fumbling in the dark required.

The Challenges

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Roof Orientation & Solar Optimisation

With the shed’s roof sloping slightly south, we had to get creative. By using reverse tilt brackets, we repositioned the panels for a 25° north-facing angle, ensuring maximum sun exposure and efficiency.

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Availability of Preferred Components

We always aim for the best components, but supply chain delays meant our usual MPPTs weren’t available. Instead of waiting, we reconfigured the system using alternative Victron MPPT controllers that delivered the same result—because there’s always a way to get the job done.

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The Solution

This off-grid solar power setup in Tungkillo, Adelaide Hills is built for performance, reliability, and future expansion. With 340W coming in from solar during absorption mode and only 260W being used for the shed’s lighting and minor loads, the client has more than enough power. As they transition to building their home, the system is ready to handle increased demand.

With the Victron MultiPlus-II 15kVA inverter, the client has a unit capable of delivering 12kW continuous output and over 50A of AC power, giving them grid-like performance off-grid.

Final Thoughts

This project wasn’t just another install—it was about giving our client true energy independence. Now, they have a setup that runs smoothly without ongoing maintenance costs, and they’re no longer at the mercy of rising fuel prices.

With remote monitoring, expandable battery storage, and a robust Victron system, this install is a prime example of how to do off-grid solar power solutions the right way.

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Looking for an off-grid setup in South Australia or New South Wales?

We’d love to help. Get in touch today and let’s build your energy future.