

When it comes to choosing a commercial solar power company in Australia, the best option will depend on your business’s energy profile, location, and strategic goals. Whether you're looking for advanced procurement advice, national installation capability, or strong performance guarantees, the top five providers outlined here offer reliable and cost-effective pathways to solar success.
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The demand for clean, cost-effective energy has seen a surge in Australian businesses investing in commercial solar power systems. Choosing the right commercial solar power company is crucial to maximise return on investment and ensure reliable performance for years to come. With so many providers offering different technologies, warranties, and service packages, it can be challenging to find the best fit for your business.
In this guide, we explore the top 5 commercial solar power companies in Australia that stand out for their innovation, customer service, and ability to deliver efficient solar energy solutions tailored for businesses.
Energy Action is more than just a commercial solar provider—it is a trusted energy advisor for Australian businesses. The company offers a unique value proposition by combining solar procurement with broader energy strategy consulting. This ensures that businesses not only get a high-quality solar installation but also maximise energy savings through smart procurement, energy monitoring, and emissions reporting.
Mid to large enterprises seeking a tailored, strategic approach to commercial solar.
Infinite Energy has established itself as one of Western Australia’s top solar providers, with a growing presence in other states. The company offers commercial solar systems backed by solid in-house engineering and service teams.
Businesses in WA and beyond looking for experienced installers with local knowledge.
Solgen Energy Group is one of Australia’s most established names in large-scale commercial and industrial solar installations. They specialise in engineering, procurement, and construction (EPC) of high-capacity solar projects.
Large corporations and public sector entities requiring complex solar infrastructure.
Todae Solar has delivered more than 100MW of commercial solar projects across Australia. Known for their focus on innovation and quality, they work with leading solar panel and inverter manufacturers.
Businesses looking for high-quality systems with flexible finance and warranty terms.
Smart Commercial Solar focuses exclusively on commercial and industrial clients, offering tailored solar systems backed by performance guarantees.
Businesses wanting full transparency, innovation, and performance assurance.
| Company | Key Strengths | Ideal For |
| Energy Action | Independent procurement, strategic energy advice | Businesses seeking holistic energy savings |
| Infinite Energy | WA-based, storage integration, long warranties | Businesses in WA and nearby states |
| Solgen Energy Group | Large-scale EPC projects, public sector experience | Corporates and government bodies |
| Todae Solar | Finance options, Tier 1 products, national reach | Medium to large businesses nationwide |
| Smart Commercial Solar | Performance guarantees, EV & battery expertise | Innovation-focused commercial clients |
Investing in commercial solar power is a strategic move for Australian businesses seeking cost savings, sustainability, and energy independence. By choosing a top-tier solar provider aligned with your needs, you ensure maximum return and minimal risk.
To simplify your solar journey and unlock expert procurement support, partner with Energy Action. From solar advisory to PPAs and energy reporting, they help businesses turn clean energy into real value.
When selecting a provider, look for experience in commercial installations, transparent warranties, after-sales service, financing options, and the ability to customise solutions. Companies with energy analytics and monitoring capabilities provide added value.
Yes, commercial solar systems reduce electricity costs, hedge against rising energy prices, and can offer payback periods of 3 to 7 years. Many systems come with warranties of 20+ years, making them a long-term investment in sustainability and savings.
Absolutely. A PPA allows your business to host a solar system with no upfront cost and pay only for the electricity it generates. Many top solar providers and consultants like Energy Action can help businesses structure and negotiate favourable PPA terms.
A typical commercial solar panel generates around 250 to 400 watts. For every 100kW system, you might need roughly 600–700 square metres of unobstructed roof space. Factors like orientation, shading, and roof type also affect feasibility.
Work with an independent energy advisor like Energy Action, who can source and compare multiple quotes tailored to your usage, budget, and goals. Ensure quotes are itemised and include system size, components, warranties, and projected savings.