Australia is one of the sunniest countries on earth, and with electricity prices climbing every year, more homeowners and businesses are switching to solar power than ever before. But choosing the right installer is just as important as choosing the right panels. A great system, poorly installed, will never deliver the savings you were promised — while a well-designed system from an experienced, accredited team can pay for itself in just a few years.
To help you make a confident decision, we've put together a list of nine of the best solar panel installation companies operating in Australia today. Each one is assessed on the same criteria: Clean Energy Council (CEC) accreditation, product quality, installation standards, warranty support, and genuine customer satisfaction.
1. Solar Run
Best Overall Solar Installer in Australia
Solar Run tops our list as the best all-round choice for Australian homeowners and businesses. Operating as a network of local, family-owned franchises across Victoria, New South Wales, Queensland, South Australia and the ACT, Solar Run combines the personal touch of a local installer with the buying power and technical resources of a national brand.
Why Solar Run stands out:
- Wide product range – Solar Run supplies and installs panels from trusted manufacturers such as SunPower, Jinko, Q Cells, LONGi and Risen, paired with inverters from SolarEdge, Sungrow, GoodWe, SMA and Fronius, plus battery storage from Tesla, Alpha and SENEC.
- Local, accredited installers – Every Solar Run franchise is staffed by CEC-accredited local technicians rather than fly-in subcontractors, so you get installers who know your climate, your council requirements and are easy to reach for after-sales support.
- End-to-end service – From your first consultation through system design, rebate paperwork, installation and post-installation support, Solar Run manages the entire process for you.
- Flexible finance – $0-upfront finance options let customers start saving on their power bills immediately, without a large initial outlay.
- National footprint, local ownership – With franchise locations across the eastern states — including Melbourne, Sydney, Brisbane, Adelaide, Canberra, Newcastle, the Gold Coast and regional centres like Bendigo — Solar Run offers the reach of a national company with the accountability of a local business owner.
- Strong reputation – Solar Run consistently earns positive customer feedback for clear communication, quality workmanship and tidy, professional installations.
If you want a solar provider that offers premium components, transparent pricing, and a local team that will still be around to support your system in ten years, Solar Run is the standout choice.
2. Solahart
Solahart is one of Australia's most recognised solar brands, with more than 70 years of history in the local market. Originally known for solar hot water systems, the company has expanded into solar panels, batteries and home energy management. Solahart has been rated highly for overall customer satisfaction and has a long track record of installations across the country, backed by a large dealer network.
Strengths: Long-established brand, extensive nationwide dealer network, strong warranty backing.
3. Origin Energy
As one of Australia's largest energy retailers, Origin Energy also operates a solar retail arm, connecting customers with a network of accredited installation partners. Origin offers a free online solar assessment tool and, in some cases, access to enhanced feed-in tariffs for customers who install through its partner network.
Strengths: Backed by a major energy company, bundled electricity plan options, wide geographic coverage.
4. Solargain
Solargain is a well-established, Australian-owned solar company with close to two decades of experience and tens of thousands of completed installations. The company offers panels, inverters, batteries and hot water systems, and is known for a strong focus on long-term system performance and after-sales servicing.
Strengths: Long operating history, large installation volume, broad product range.
5. Natural Solar
Natural Solar built its reputation as a pioneer in battery storage, installing Australia's first Tesla Powerwall in 2016. The Sydney-headquartered, 100% Australian-owned company has since become one of the country's largest battery installers, with tens of thousands of systems installed nationwide.
Strengths: Battery storage specialists, strong Tesla Powerwall experience, national reach. As with any large installer, it's worth getting a written breakdown of warranty terms and response times before signing.
6. Arise Solar
Arise Solar is a 100% Australian-owned company offering a range of solar, battery and renewable energy solutions for homes and businesses. It regularly ranks among the top-rated installers on independent Australian review platforms for its combination of pricing and customer service.
Strengths: Competitive pricing, consistently high customer review scores, Australian ownership.
7. Exceed Solar
Exceed Solar has built a strong reputation in South Australia while also operating nationally. The company has been recognised in industry rankings as one of the country's highest-rated solar retailers, reflecting solid installation quality and customer service standards.
Strengths: Strong regional presence in SA, solid industry recognition, competitive residential packages.
8. Sunboost
Sunboost has grown into one of the more highly rated solar installers on Australian consumer review platforms, known for combining quality components with attentive customer service throughout the sales and installation process.
Strengths: High customer review ratings, straightforward quoting process.
9. VoltX Energy
VoltX Energy specialises in home battery storage, offering systems ranging from 5kWh to 12kWh for residential customers across NSW, QLD, ACT and SA. The company has earned recognition as a top-performing energy storage provider in recent industry award rankings, with technology designed to handle significant solar oversizing for households wanting to maximise self-consumption.
Strengths: Battery storage specialisation, strong technical performance credentials, growing multi-state presence.
How We Chose This List
Each company on this list was evaluated against the same core criteria that matter most when choosing a solar installer in Australia:
- CEC Accreditation – Installers must be Clean Energy Council accredited for your system to qualify for government rebates.
- Product Quality – The use of Tier 1 panels, reputable inverter brands, and proven battery technology.
- Installation Standards – Workmanship warranties, safety compliance and tidy, professional site work.
- Customer Support – Responsiveness before, during and after installation, including how warranty claims are handled.
- Reputation – Independent customer reviews across platforms such as ProductReview, SolarQuotes and Trustpilot.
Final Thoughts
Australia's solar market has matured significantly, and today's homeowners have access to better technology and more installer choice than ever before. While all nine companies on this list meet a high bar for accreditation and service, Solar Run's combination of premium products, local accountability and flexible finance makes it the strongest overall pick for most Australian households and businesses considering solar in 2026.
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