Top Volume Solar Retailers 2025

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The Annual Top Volume Retailer Award Winners for 2025

Another year has passed in the Australian solar industry and the continued shift towards renewable energy has driven the market at a steady pace. There have been a few bumps in the road for 2024 and the market hasn’t performed as well as previous years.

After careful analysis of national installation volumes, Sunwiz is happy to announce this years Top Volume Retailers, whom have taken extra steps to adapt to changes in the market and have spectacularly risen in the ranks, which deserves to be celebrated and endorsed for their stellar efforts.

SunWiz has been tracking every solar power system installed in Australia since 2009. We are the undisputed authority on solar market volumes, and our data is widely quoted by companies, NGOs, and government agencies.

Numerous companies assert themselves as the largest without substantiating their claims, creating a challenge for customers to navigate through the plethora of often unsubstantiated assertions.

SunWiz has created digital endorsement badges for the companies listed below to validate their status as the top installers of solar power in 2024.

Categories of Top Volume Retailer Awards for 2025

Overall

Sunboost also won SunWiz 2025 Awards for Top 5 Volume Installer for 2025

Deionno Electrical also won SunWiz 2025 Awards for Top 5 Solar Installer.

Commercial - Overall STC + LGC

Smart Consult also won SunWiz 2025 Awards for top 10 Commercial Solar Systems Installer.

1KOMMA5° also won SunWiz 2025 Awards for No. 1 Solar Battery Installer, a Top 5 Solar Installer.

Sub-100kW

Power Smart Solutions also won SunWiz 2025 Awards for Top 10 Solar Systems Installer.
Deionno Electrical also won SunWiz 2025 Awards for Top 5 Solar Installer and Best Rated Company.

Residential

Think Renewable won the SunWiz 2025 Awards and also Think Renewable has been recognized as a Local Solar Hero for the capacity of solar systems installed in 2024 across multiple regions, including Sydney-City & Inner South, Sydney-Eastern Suburbs, and Sydney-Sutherland & Shire.
NSEG also won SunWiz 2025 Awards for Top 5 Battery Installer for 2025
Solar Power Nation also won SunWiz 2025 Awards for Top 5 Commercial Solar Installer.
Fritts Solar also won SunWiz 2025 Awards for Top Volume Solar Retailer
NSEG also won SunWiz 2025 Awards for Top 5 Battery Installer

Australian Capital Territory

New South Wales

Think Renewable won the SunWiz 2025 Awards and also Think Renewable has been recognized as a Local Solar Hero for the capacity of solar systems installed in 2024 across multiple regions, including Sydney-City & Inner South, Sydney-Eastern Suburbs, and Sydney-Sutherland & Shire.

Queensland

NSEG also won SunWiz 2025 Awards for Top 5 Battery Installers.
Power Smart Solutions also won SunWiz 2025 Awards for Top 10 Solar Systems Installer.

South Australia

MLEC also won SunWiz 2025 Awards for Top Volume Battery Retailer and Best Rated Retailer – Most Popular Category.
NSEG also won SunWiz 2025 Awards for Top 5 Battery Installer for 2025
Deionno Electrical also won SunWiz 2025 Awards for Best Rated Company.

Tasmania

Integra Solar won SunWiz 2025 Awards for No. 2 Solar Installer.

Victoria

Advantage Solar won the SunWiz 2025 Awards and is ranked among the Top 10 Companies in Victoria for the residential capacity of solar systems installed in 2024. Additionally, Advantage Solar has been recognized as the #1 Local Solar Hero in Melbourne West and a Local Solar Hero in Melbourne-North East for the capacity of solar systems installed in 2024.

Western Australia

Perth Solar Force also won a SunWiz 2025 Award for Top Volume Battery Retailer.

KVA Power won a SunWiz 2025 Award for Top 20 Western Australian Residential Solar Installer.

MLEC also won SunWiz 2025 Awards for Top Volume Battery Retailer and Best Rated Retailer – Most Popular Category.

Perth Solar Warehouse also won SunWiz 2025 Awards for Top Volume Solar Retailer, Best Rated and Local Solar Hero.
Think Renewable won the SunWiz 2025 Awards and also Think Renewable has been recognized as a Local Solar Hero for the capacity of solar systems installed in 2024 across multiple regions, including Sydney-City & Inner South, Sydney-Eastern Suburbs, and Sydney-Sutherland & Shire.