Engineering, Procurement and Construction Services

End-to-end project delivery with engineering precision and seamless execution.

Our EPC services cover every stage of your energy project, ensuring efficient design, procurement and construction with no subcontracting delays.

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Over 71,000 Solar Panels Installed in a Single Year
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100+ 5-star reviews
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Official Delivery Partner for AGL
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Trusted by Thousands of Commercial & Residential Clients Across Victoria

At Winki, we manage projects from start to finish with full accountability.

Our in-house team delivers quality control and cost certainty while ensuring efficient progress through the engineering, procurement and construction phases.

Our Difference

Single point of accountability

We eliminate the complexity of multiple contractors, providing one trusted partner responsible for every project stage. This streamlined approach reduces risks, saves time and gives you confidence that everything is managed seamlessly.

Tailored engineering expertise

Our designs are customised to your site and operational needs, ensuring efficiency and compliance with all industry standards. This precision engineering maximises performance while ensuring long-term safety and regulatory peace of mind.

Transparent procurement

We source only Tier 1 equipment and trusted suppliers, delivering value and reliability without compromise. By prioritising quality, we minimise downtime and ensure your investment stands the test of time.

On-time, on-budget delivery

With proven project management systems, we ensure your project is delivered to specification, on schedule and within budget. Our disciplined approach helps you avoid costly delays and keeps your operations running smoothly.

Completed Projects

Commercial Installs

How We Work

Free site assessment

We are committed to providing a seamless solar experience, so we offer complimentary site assessments to understand your energy needs and create a tailored solar and battery solution for you.

End-to-end management

Everything is done in-house to ensure a hassle-free solar panel and battery installation process, from sales to design to installation by our CEC-accredited solar and battery installers.

Performance optimisation

From the design phase to installation, our priority is ensuring that your solar system and battery provides the greatest possible return on investment and delivers long-term savings.

Support & maintenance

Our commitment extends beyond solar system and battery installation. We can monitor your system's performance, providing peace of mind by ensuring its ongoing reliability for years to come.

Our guarantee

We use best-in-class products, back our work with a 10-year workmanship warranty and guarantee our team is accredited.

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Designed by experts

All solar panel & battery systems are designed by SAA-accredited designers. We only employ the best solar installers.

Straight-up quotes

All performance estimates are completed using accurate data and conservative when it comes to cost.

Installed by experts

All systems are installed by licensed electricians and SAA accredited solar installers.

Backed by warranties

10 year workmanship warranty. 10 year inverter warranty and 25 year product & performance warranties on solar panels.

COMMERCIAL SOLAR FREQUENTLY ASKED QUESTIONS

Answers To The Most Common Commercial Solar Questions

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What kind of businesses benefit the most from solar and battery systems?

Companies with high daytime energy use such as warehouses, manufacturing plants, offices and retail centres see the greatest savings. However, almost any business with suitable space and energy needs can benefit.

We plan installations around your schedule to minimise disruption. Most businesses experience little to no downtime during the process and we coordinate with your team to ensure safety and efficiency.

Businesses may qualify for Small-Scale Technology Certificates (STCs), Large-Scale Generation Certificates (LGCs), tax incentives and government rebates. We help you navigate these options to maximise your return on investment.

On average, commercial solar systems pay for themselves within 3–5 years, depending on system size, energy consumption and incentives. After that, the savings flow directly back into your business.

Yes. Our systems are designed with scalability in mind, allowing you to expand capacity or add storage as your energy demands increase.

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