Rely on our experts for commercial solar installation across Perth and WA
Page Highlights
- 15+ years of commercial solar experience
- CEC-accredited in-house electricians
- Custom solutions for business & government
- Access to WA & federal solar rebates
- Significant long-term energy savings
Commercial Solar Energy Solutions in Perth
At Westsun Energy, we deliver high-performance commercial solar solutions across Perth and Western Australia. With over 15 years of experience in the renewable energy sector, our team specialises in providing reliable, cost-effective solar system design and installation services tailored to meet the energy needs of businesses, government facilities, and large-scale commercial operations.
Our projects are delivered by a team of CEC-accredited electricians employed directly by Westsun Energy. By keeping all installations in-house, we maintain the highest standards of quality, safety, and compliance—ensuring each commercial solar project is designed, engineered, and delivered to maximise long-term performance and return on investment.
We take a consultative approach, working closely with our commercial clients to design tailored solar energy systems that align with operational requirements, energy goals, and budget considerations.
Whether you’re looking to reduce overheads, improve sustainability targets, or future-proof your energy infrastructure, we provide the expertise and guidance to achieve real business outcomes through commercial-grade solar installations.
Our commitment to excellence is reflected in our continual investment in industry-leading products and ongoing training for our technical teams. We stay ahead of the curve—adopting the latest technology to ensure our clients benefit from high-performance, expertly installed solar systems that are efficient and future-ready.
Partner with a trusted commercial solar installation provider. Contact the Westsun Energy corporate team today on (08) 9020 7091 to discuss your next energy project.
Solar System Installation in Perth and Wider WA
Solar system installation has become increasingly popular for business owners across Perth and WA. Perth is not only one of Australia’s sunniest cities, but also where electricity prices are generally more expensive in comparison to other capitals. This makes solar installation across Perth and WA a very clever investment. Westsun Energy, we have a huge range of CEC-accredited products available for all our commercial customers. We ensure that you choose the right renewable energy products for your home or business. We also source our products for solar installation directly from a manufacturer, meaning you’re able to take advantage of excellent deals all year round.
Our location in WA presents an excellent opportunity for business owners to reduce their power bills from harmful carbon emissions through solar installation. With ideal sunny conditions present for more than half the year, your solar system installation will provide excellent results and incredible savings. Our solar system installers have seen the uptake of solar power in Perth and wider WA substantially grow over the years, and we are exceptionally proud to be a part of it.
Commercial Solar installations
Living in Perth has many benefits, one of which is that we enjoy more sun than almost all other major cities in Australia. We have an average of 8 hours of sunlight daily and 119 clear days a year. Even in winter, the temperature barely drops below 5 degrees, allowing solar power systems to seamlessly maintain their efficiency throughout the year. This helps keep homes and businesses from relying too much on the grid, therefore saving you a lot of money.
Solar Rebates for Businesses in WA
There are also government incentives for your solar installation. This helps reduce the initial cost of your solar system and credits businessowners who put excess electricity back into the grid.
These government rebate schemes include the Australian Government’s Small-scale Renewable Energy Scheme (SRES) & The Cheaper Home Batteries Program which also extends to eligible small businesses. To learn more about solar rebates and funding schemes for businesses, check out our blog today.
Talk to our team to learn more on (08) 9303 9810.
Frequently Asked Questions
Although solar systems are always worthwhile, the specifics of financial savings through solar power will depend on a number of different factors. These include your energy consumption, your panel orientation, and the tilt and shading of your panels.
However, you can use the below data as a rough estimate for your solar savings:
Currently, the following rebates are available in Western Australia with your solar installation (these do not include universally available rebates, such as Small Technology Certificates or STCs):
- Distributed Energy Buyback Scheme: This rebate has been implemented to encourage homeowners to make the most of their solar installations. The rebate offers higher buyback prices during the early hours of the evening rather than at the peak of the afternoon when the majority of solar is generally generated.
Solar systems must be capable of withstanding the intense heat of the sun in Western Australia, while continuing to work efficiently throughout the summer. People looking for solar installation in Perth should consider Australian-supported products with comprehensive warranties and post-sales support in the event that something goes wrong. This is important, as you will always be able to receive any assistance if needed.
In 2025, the cost of installing solar panels in Perth varies based on system size, quality, and installation specifics. Here’s a general guide:
- 3kW system: Approximately $3,900
- 5kW system: Around $5,225
- 6.6kW system: Between $6,000 and $8,500
- 10kW system: Approximately $9,500
These prices typically include installation and are after applying federal government rebates through the Small-scale Renewable Energy Scheme (SRES) .
For commercial installations, costs can vary more significantly due to factors like system size, roof structure, and specific energy requirements. It’s advisable to obtain tailored quotes based on your business’s needs.
Absolutely. Perth is one of Australia’s sunniest cities, receiving an average of 5.3 to 5.8 peak sun hours per day. This abundant sunlight makes solar panels highly effective, allowing homeowners and businesses to significantly reduce their electricity bills.
A well-sized solar system can generate substantial energy, leading to savings of up to $2,290 annually on electricity bills. Additionally, excess energy can be fed back into the grid, providing further financial benefits through feed-in tariffs.
While the Western Australian government doesn’t offer a direct rebate for solar panel installations, residents can benefit from the federal government’s Small-scale Renewable Energy Scheme (SRES). Under this scheme, installing an eligible solar system earns Small-scale Technology Certificates (STCs), which can be traded for a reduction in the system’s purchase price.
Additionally, starting from 1 July 2025, the WA government will introduce a Residential Battery Scheme, offering rebates for battery installations. This scheme provides up to $1,300 for Synergy customers and up to $3,800 for Horizon Power customers, depending on the battery’s capacity
Westsun Energy and Solar Installation in Perth
Westsun Energy have been operating for more than 11 years and installed solar systems all throughout Western Australia. These include large-scale commercial systems for some of WA’s biggest companies, not to mention residential systems far and wide — including rural areas. We offer 10-year post-installation service on all of our solar panel installations in Perth, and we believe in providing our customers with the best possible products on the market. Talk to our friendly team about solar installation now on (08) 9303 9810 or get a free quote here.
