Top Commercial Solar Installers Australia 2026

Top 5 Commercial Solar installer – National

1komma5° is Australia’s leading battery installer and a comprehensive "one-stop-shop" for renewable energy solutions, offering solar panels, battery storage, heat pumps, EV charging, and HVAC systems integrated with their proprietary Heartbeat AI optimization technology. The German-founded company operates across Queensland, New South Wales, Victoria, ACT, and South Australia, powering over 50,000 homes nationwide. What makes them notable is their AI-driven energy management system that learns household patterns and optimizes energy usage 24/7, combined with their position as Australia’s #1 battery installer and top 5 national solar installer according to 2026 SunWiz Awards.

View 1komma5°’s full award page

Top 20 Commercial Solar installer – National

Arenergy is an Australian solar company that specializes in photovoltaic (PV) solar installations and energy storage systems (ESS), operating nationally with a strong presence in South Australia. The company has established itself as a notable player in Australia’s renewable energy sector, serving both commercial and residential markets. Their industry recognition is highlighted by their multiple 2026 SunWiz Awards, including national rankings in the Top 50 for energy storage systems and Top 20 for commercial solar installations.

View Arenergy’s full award page

Top 10 Commercial Solar installer – SA

Adam Solar is an Australian-owned solar installation company established in 2011 that specializes in residential and commercial solar systems, based in Adelaide and operating throughout South Australia. They also offer complementary services including electrical work, roof repairs, and air conditioning. The company is notable for being independently ranked as South Australia’s highest-rated solar installer with a 96% customer satisfaction rate and 4.8/5 stars from over 400 reviews.

View Adam Solar’s full award page