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Australia's Top Commercial & Industrial Solar SpecialistsFrom Small Business to Large Scale Commercial Solar & Battery Installations

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4.6
Based on 1.000+ Reviews
Award Winning, Commercial Solar

With a proven track record & hundreds of successful projects, 1KOMMA5° is a trusted leader in delivering high-quality, reliable commercial solar solutions.

1KOMMA5° uses cutting-edge technology for maximum efficiency and reliability in commercial solar installations, providing consistent, clean power and cost savings.

We offer customised solar solutions to fit your specific needs and budget, ensuring optimised energy use and supporting your sustainability goals - reducing your carbon footprint and ensuring your business has a positive environmental impact.

We have access to a wide-range of solar brands and products including our own 1KOMMA5 range, Sungrow, Tesla & pretty much every other brand you can think of.

Our solar systems reduce energy bills, protect against rising costs, and offer attractive returns on investment, with assistance in navigating incentives and financing options.

We handle every aspect of your solar project, from planning, designing and quoting, to rebate claiming, handling all required paperwork. Plus we offer ongoing maintenance, ensuring your system operates at peak performance while you focus on your business.

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2025 Top 10 Commercial Solar Installer
1KOMMA5° In Numbers:

2,200+ Passionate Employees

We have 75+ locations across 7 countries. In Australia, we have teams across New South Wales, Victoria, Queensland and South Australia, made up of industry leaders and energy experts committed to helping our customers and protecting the planet.

290,000+ Installations

All of our customers globally are maximising the benefits of clean energy including significant reductions in electricity bills and more importantly, carbon emissions.

14 Million Tonnes in CO² Savings

The climate crisis is real, and we are proud to make a difference. This CO² savings figure is equivalent to 2.8 million Australian households not using electricity for an entire year.

Australian Commercial Solar Certifications & Accreditations

Recent Projects

Some recent commercial solar projects we've completed

100-500kW

The Sands Resort, Torquay VIC

This 100kW installation aligned the objectives of providing sustainable energy to the resort, while ensuring its continuous and reliable operation to cater to environmentally-conscious guests. This project will be saving 146 Tonnes of CO² per annum.

Tradezone, Gold Coast QLD

As Australia's Largest Online Electrical Wholesaler with a clear dedication to renewable energy, two 200kW systems have been installed, supporting up 40% of the site's usage. This project will be saving 244 Tonnes of CO² per annum.

Brisbane CBD, QLD

A 139kW high-rise installation within the heart of the Brisbane CBD. This project delivers client requirements across ESG Goals and core KPI’s, with 162 Tonnes of CO² saved per annum.

Laminate Fabricators

Originally installing a first 100kW system, a second 100kW system was soon installed alongside EV Charging integration. This project will be saving ~$58K per annum.
Energymanager Heartbeat App on an iPad
Large Scale Commercial (1-5MW)

Visy Packaging & Recycling

VISY’s largest solar installation to date, completed for their Beverage Can facility in Yatala, Queensland.

Committed to minimising environmental footprint, driving positive social impact and developing innovative sustainable solutions, this six month - 2MW project has enabled Visy's Beverage Can facility to be supplied with clean, renewable energy.

Energymanager Heartbeat App on an iPad
Large Scale Commercial (1-5MW)

Viva Energy

Working with Viva Energy to install commercial solar on 200+ petrol/convenience locations at Shell Service stations across QLD, VIC, NSW & ACT.

Helping to support their commitment to achieving net zero operational greenhouse emissions by 2030 is at the forefront of the strategy.

Apartment Solar

Eastern Rd, South Melbourne VIC

Hosting 28 Apartment Units, the 35.9kW System installed will be saving 20.8 Tonnes of CO² per annum - producing the equivalent benefit of 1083 Trees Planted.

River St, Richmond VIC

Hosting 40 Apartment Units, the 54kW System installed will be saving 23.4 Tonnes of CO² per annum - producing the equivalent benefit of 647 Trees Planted.

Nicholson St, Carlton North VIC

Hosting 15 Apartment Units, the 23.5kW System installed will be saving 10.2 Tonnes of CO² per annum - producing the equivalent benefit of 561 Trees Planted.

Off Grid

Carriewerloo Sheep Station

Meeting the project requirements of reliable, independent energy without minimising modern comforts, the 40kW system installed includes 100kWh of Battery Storage backed up by a 30kVA Generator.
Plus 100's Of Other Commercial Solar Installs Completed....

Why Choose 1KOMMA5°

The shift to clean energy starts with the right partner. At 1KOMMA5°, we empower businesses to take control of their energy future and make a lasting impact through smarter, more sustainable solutions.

Innovative Technology for Maximum Efficiency

1KOMMA5° uses cutting-edge technology for maximum efficiency and reliability in commercial solar solutions, providing consistent, clean power and cost savings.

Tailored Solutions for Every Business

We offer customised solar solutions to fit your specific needs and budget, ensuring optimised energy use and supporting your sustainability goals.

Commitment to Sustainability and Positive Impact

Our solar solutions reduce your carbon footprint and promote your business with our mission for positive environmental impact.

Seamless Integration and Support

We handle every aspect of your solar project, from consultation to maintenance, ensuring your system operates at peak performance while you focus on your business.

Proven Track Record of Excellence

With a proven track record and successful projects, 1KOMMA5° is a trusted leader in delivering high-quality, reliable commercial solar solutions.

Financial Benefits and Long-Term Savings

Our solar systems reduce energy bills, protect against rising costs, and offer attractive returns on investment, with assistance in navigating incentives and financing options.

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Industry Awards & Recognition