SunWiz Awards 2026

Top Volume Solar Installers Australia 2026

The SunWiz 2026 Top Solar Installers in Australia Award recognises Australia’s leading solar installers, ranked by verified data for the 2025 calendar year. Rankings are derived from Clean Energy Regulator REC-Registry data. SunWiz has tracked Australian solar installation volume since 2009.

Last updated 27 May 2026

Why this ranking matters

Choosing a solar installer you can trust is hard — the market is full of bold claims that are difficult to verify. This ranking exists to help Australian homeowners cut through that. Every company below has been independently verified by SunWiz using Clean Energy Regulator installation data — not marketing, nominations, or paid placement. Use it to shortlist installers you can trust.

Browse by state

Australia (6)
ACT (3)
NSW (2)
QLD (1)
SA (4)
TAS (2)
VIC (2)
WA (3)

2026 ranking at a glance

Rank Company Award
Top 5 1komma5° Top 5 Solar installer – National
Top 10 Think Renewable Top 10 Solar installer – National
Top 20 Solar Run Top 20 Solar installer – National
Top 20 Arenergy Top 20 Commercial Solar installer – National
Top 20 Class A Energy Solutions 1 Top 20 Solar installer – National
Top 50 Renewco Solar Top 50 Solar installer – National
Selected SunWiz 2026 Award participants. Internal rankings cover all CER-accredited installers; only opted-in participants are publicly listed.

How rankings are determined

How are SunWiz Solar Installers rankings determined?

SunWiz ranks all qualifying CER-accredited installers internally based on verified installation data sourced from the Clean Energy Regulator’s REC-Registry. The companies displayed on this page are 2026 SunWiz Award participants. Rankings of non-participating companies remain in SunWiz’s internal datasets, available to industry through our Luminate subscription.

SunWiz Award rankings are determined exclusively by verified third-party data — REC-Registry submissions. Ranking positions are determined by data, independent of whether the company chooses to participate. SunWiz cannot accept payment to improve a company’s ranking.

SunWiz has tracked every solar power system installed in Australia since 2009. Our data is referenced by corporations, NGOs, and government bodies including the Clean Energy Regulator.

Who are the top solar installers in Australia for 2026?


Top 5
PV AU

1komma5°

7× 2026 Award Winner

Top 5 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.

Also a 2026 SunWiz Award winner for

View 1komma5°’s full award page


Top 10
PV AU

Think Renewable

8× 2026 Award Winner

Top 10 Solar installer – National

Think Renewable is an Australian solar company that specializes in solar panel and battery installations for homes and businesses, positioning itself around making "sustainability simple" with end-to-end installation services handled by accredited electricians. The company operates across Australia and offers additional services including EV chargers and Virtual Power Plant (VPP) programs, helping customers access government rebates and payment plans. They are notable for their strong industry recognition, having received multiple 2026 SunWiz Awards including ranking in the top 10 nationally for most popular solar installers and achieving top ratings in several state and national categories for both solar and energy storage systems.

Also a 2026 SunWiz Award winner for

View Think Renewable’s full award page


Top 20
PV AU

Solar Run

4× 2026 Award Winner

Top 20 Solar installer – National

Solar Run is a solar power company that sells and installs solar panels, batteries, and inverters for residential and commercial customers across Australia. They operate in major markets including Sydney, Melbourne, Brisbane, Adelaide, Perth, Newcastle, Canberra, and throughout Queensland and Victoria. The company claims to be "Australia’s largest solar power company" and distinguishes itself by offering tailored solar deals, interest-free loan options, and comprehensive customer support from consultation through post-installation service.

Also a 2026 SunWiz Award winner for

View Solar Run’s full award page


Top 20
PV AU

Arenergy

5× 2026 Award Winner

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.

Also a 2026 SunWiz Award winner for

View Arenergy’s full award page


Top 20
PV AU

Class A Energy Solutions 1

3× 2026 Award Winner

Top 20 Solar installer – National

Class A Energy Solutions is a South Australian-owned solar company that specializes in solar power systems, battery storage, and energy optimization solutions for both residential and commercial customers across Australia. Founded over 25 years ago by Miles Ratcliff, the company positions itself as a national provider with extensive experience in renewable energy installations. They are notable for their longevity in the Australian solar market and recent recognition in the 2026 SunWiz Awards, including Top 10 Energy Storage Systems in South Australia and Top 20 PV rankings both in South Australia and nationally for the 30-100kW commercial sector.

Also a 2026 SunWiz Award winner for

View Class A Energy Solutions 1’s full award page


Top 50
PV AU

Renewco Solar

2× 2026 Award Winner

Top 50 Solar installer – National

Renewco Solar is a family-owned Australian solar company that provides solar panel systems, battery storage (including Tesla Powerwall), and EV charging solutions for residential and commercial customers. They operate primarily across New South Wales, with extensive coverage throughout Greater Sydney, Central Coast, Newcastle, Wollongong, and surrounding regions. The company distinguishes itself through its full in-house electrical team, 15 years of experience in the renewable energy sector, and award-winning aftersales support, having been recognized in the 2026 SunWiz Awards as a Top 50 National and Top 20 NSW solar installer.

Also a 2026 SunWiz Award winner for

View Renewco Solar’s full award page

Frequently asked questions

Who is the largest solar installers in Australia for 2026?

1komma5° is the highest-ranked 2026 SunWiz Award participant in this category.

How does SunWiz determine its rankings?

SunWiz rankings are derived from Clean Energy Regulator REC-Registry data for volume awards and audited customer review data for review-based awards. Rankings are determined exclusively by verified third-party data — no judging panels, nominations, or sponsor relationships. SunWiz has tracked Australian solar installation volume since 2009.

What data source does SunWiz use for installation volumes?

SunWiz uses Clean Energy Regulator REC-Registry submission data combined with verified records from STC service providers. The data covers every solar power system registered for small-scale technology certificates in Australia, providing comprehensive coverage of residential and small commercial installations.

Are SunWiz Awards paid?

Companies pay a participation fee to be publicly named as a SunWiz Award winner and to receive award materials (badges, certificates, listings, marketing assets). However, ranking positions themselves are determined solely by verified installation volume from Clean Energy Regulator data and audited customer review data. Ranking positions are determined by data, independent of whether the company chooses to participate. SunWiz cannot accept payment to improve a company’s ranking.

When were the 2026 SunWiz Awards announced?

The 2026 SunWiz Award winners were announced at the Smart Energy Conference in Sydney on 7 May 2026. Rankings cover installation activity during the 2025 calendar year. This page was last updated 27 May 2026.

How can a solar installer qualify for a SunWiz Award?

Solar installers and retailers accredited with the Clean Energy Regulator are automatically considered for SunWiz volume awards based on their installation data. Qualifying companies can register their interest in the 2027 awards programme to receive participation details when rankings are finalised.

See also:

Last updated 27 May 2026

Are you a solar installer?

If you’d like your company to be recognised in the SunWiz Awards, register your interest. Rankings are determined by verified data — registering lets eligible companies claim and promote their result.

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