Residential & Commercial Solar Systems

Geelong Solar Panel & Battery Installers

100% Australian-owned, we proudly deliver premium
residential & commercial solar solutions as the leading solar installers in Geelong, saving our customers thousands by switching to clean, reliable solar energy. We understand the unique needs of Australians & are dedicated to delivering tailored solutions.

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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

Lower Electricity Bills

Local solar installers to reduce your electricity bills as you use less conventional electricity sources

Free, Renewable Energy

Harnessing solar energy, which is a free and renewable power source.

Designed by Experts

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

Increase Property Value

Increasing property value by the addition of a home solar system.

Reduce Carbon Footprint

Minimising your commercial carbon footprint and dependence on fossil-fuelled electricity

Reliable Energy Source

Providing access to a reliable energy source, especially during power failures or outages

Why Choose Winki Solar Installers?

Because solar should be done right – the first time.

At Winki Energy, we don’t cut corners. We deliver quality systems, honest advice, and expert workmanship that’s built to last. 
Whether you’re a homeowner, commercial business, or community organisation, we make the journey to clean energy simple, transparent, and stress-free.

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Our Commitment to Quality

To make clean energy simple, accessible, and built to last – by delivering honest advice, quality systems, and expert service that empowers our customers to take control of their energy future.

Our Testimonials & Completed Projects

Residential Solar Installations

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Our 100+ Google reviews

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Our 50+ Solar Quotes Reviews

Our Solar Installation Process

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.

System Design & Installation

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 in Geelong.

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.

Ongoing 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.

Installed by Experts

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

Straight-up Quotes

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

Backed by Warranties

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

Locations We Service

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Mount Duneed Solar Installers

Providing Mount Duneed with scalable solar systems and future-ready battery installations to match growing energy demands in new estates.
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Geelong Solar Installers

Supporting Geelong homes with expert solar installations, energy-efficient upgrades and advanced battery storage systems for year-round energy control.
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Melbourne Solar Installers

From residential rooftops to urban businesses, we bring full-service solar, battery and EV charging solutions across metropolitan Melbourne.
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Fitzroy Solar Installers

Helping Fitzroy residents embrace clean energy with compact solar systems, hybrid inverters and battery backups designed for inner-city living.
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Torquay Solar Installers

Powering homes and businesses in Torquay with premium solar panel installations, energy storage systems and EV charger setups.

FREQUENTLY ASKED QUESTIONS

Answers to the most common questions about solar installation, battery systems and long-term energy savings in Geelong.

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What rebates and financial incentives are available for solar in Geelong?

Homeowners in Geelong can access the Victorian Solar Homes rebate of up to $1,400 for solar panels, with the option of an interest-free loan of the same amount. Federal Small-scale Technology Certificates (STCs) also reduce up-front costs depending on system size and location.

The easiest way is to look at the “average daily usage” shown on your electricity bill. In Geelong, a 1 kW solar system typically generates around 3.5–4.5 kWh per day. So if your bill shows you use 20 kWh daily, you’d need roughly a 5–6 kW system to cover that usage.

Keep in mind your roof space, shading, and energy goals can change the final size. That’s why Winki Energy reviews your bills and inspects your home before recommending the best Geelong solar system for you.

Savings vary with usage patterns, system size, and grid electricity prices. For most households in Geelong, a well-sized, good-quality system pays for itself in about 4 to 6 years.

A feed-in tariff is the credit you receive when your system exports excess electricity back to the grid. Rates are set by electricity retailers, with minimum levels required by the state regulator.

Winki uses only proven, high-performance products backed by warranties and local support. On our Geelong solar installs, you’ll commonly see:

  • Panels: REC, Aiko, Trina — these are Tier-1 brands we trust for long life and performance
  • Inverters: Enphase, Fronius, Sungrow — flexible options depending on your system design
  • Other components: We pair panels and inverters with quality racking (Clenergy, Schletter) and battery/EV gear (Tesla, Sigenergy) when needed

What matters most is matching the right brands to your site’s conditions, warranty terms, and after-sales support. Winki sets up your Geelong solar system with brands that balance performance, reliability, and local serviceability.

It depends on factors like roof orientation, shading, roof condition, structural strength, and electrical access. You’ll also need to meet state rebate eligibility criteria around income and property value. Even before a site visit, Winki’s solar consultants can give you a free indication over the phone based on your roof layout and electricity usage. For certainty, we’ll inspect your property in person and confirm whether it’s viable for Geelong solar.

Yes. A battery stores excess solar energy for use at night or during outages, while an EV charger lets you power your vehicle directly from your panels. Whether it’s worth it depends on your energy usage and how much surplus solar your system generates.

After an assessment and approval for rebates or grid connection, installation usually takes one to two days. Larger systems or those with batteries and EV chargers may take longer. A final inspection and grid connection by the solar installers will follow the installation.

With Winki Energy, solar panels usually come with product and performance warranties of 10 to 25 years, while inverters are typically covered for 5 to 10 years, depending on the brand. On top of that, Winki provides a 10-year workmanship warranty on every installation in Geelong. To keep your system running at its best, occasional servicing or monitoring is recommended.

Most Geelong households install systems between 5 kW and 10 kW. The right size depends on your electricity use, roof space, and future needs, like adding batteries or charging an EV. Winki sizes each system to balance savings with long-term flexibility.

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Zero Upfront Cost
Boost Home Value
Reduce Carbon Footprint