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Top Volume Solar Retailers 2025

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  • Top Volume Solar Battery Retailers 2025

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.
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Solar Power System

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
  • Commercial – Overall STC + LGC
  • Sub-100kW
  • Residential
  • Australian Capital Territory
  • New South Wales
  • Queensland
  • South Australia
  • Tasmania
  • Victoria
  • Western Australia

Overall

Sunboost is the Largest Solar Installer in Australia

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

Sunbuilt Solar is A Top Volume Solar Retailer for 2025

The installation of thousands of solar panels within a single year stands as a remarkable achievement for any solar company.

Deionno Electrical is a Top 5 Solar Installer and Best Rated Company for 2025

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

Commercial - Overall STC + LGC

Smart Consult is a Top 20 LGC Commercial Solar Systems Installer

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

Kuga Energy is a Top 5 Commercial Solar systems Installer for 2025

KUGA Energy installed a 1.5MW rooftop solar system across five NMIs at a shopping centre in Melbourne’s North West.

1KOMMA5° is a No. 1 Solar Battery Installer, a Top 5 Solar Installer, and a Top 10 Commercial Solar Installer for 2025
1KOMMA5° also won SunWiz 2025 Awards for No. 1 Solar Battery Installer, a Top 5 Solar Installer.

Clenergy

Clenergy is the Number One Manufacturer of Solar Racking for Australia 2025

We collect information from many data partners that together encompass a large portion.

Sub-100kW

The Solar Broker is A Top Volume Solar Retailer for 2025

The installation of thousands of solar panels within a single year stands as a remarkable achievement for any solar company. 

Power Smart

Power Smart Solutions is Top 5 &10 Solar Systems Installer for 2025

Power Smart Solutions also won SunWiz 2025 Awards for Top 10 Solar Systems Installer.

1KOMMA5°

1KOMMA5° is a No. 1 Solar Battery Installer, a Top 5 Solar Installer, and a Top 10 Commercial Solar Installer for 2025

1KOMMA5° also won SunWiz 2025 Awards for No. 1 Solar Battery Installer.

South Australia

Deionno Electrical is a Top 5 Solar Installer and Best Rated Company for 2025

Deionno Electrical also won SunWiz 2025 Awards for Top 5 Solar Installer and Best Rated Company.

Residential

Think Renewable is in the Top 10 Companies in Australia for Residential Solar installations.
ThinkRenewable_MasterLogo_FullColour

Think Renewable won the SunWiz 2025 Awards and also Think Renewable has been recognized.

Solar Harbour

Solar Harbour is a Top 20 Residential Solar Systems Installer for 2025

Solar Harbour is an Australian owned one of the leading solar retailer, it has developed a vision to deliver clean energy solutions to residential and commercial properties.

NSEG

NSEG is the No. 1 Solar Installer and a Top 5 Battery Installer for 2025

NSEG also won SunWiz 2025 Awards for Top 5 Battery Installer for 2025

Solar Power

Solar Power Nation is a Top 5 Commercial Solar Installer, and No 2 Residential Solar Installer for 2025

Solar Power Nation also won SunWiz 2025 Awards for Top 5 Commercial Solar Installer.

Fritts Solar

Fritts Solar is a Top Volume Solar Retailer, and Best Rated Retailer for 2025.

Fritts Solar also won SunWiz 2025 Awards for Top Volume Solar Retailer

NSEG

NSEG is the No. 1 Solar Installer and a Top 5 Battery Installer for 2025

NSEG also won SunWiz 2025 Awards for Top 5 Battery Installer

New South Wales

Think Renewable is in the Top 10 Companies in Australia for Residential Solar installations.
ThinkRenewable_MasterLogo_FullColour

Think Renewable won the SunWiz 2025 Awards and also Think Renewable has been recognized.

Queensland

NSEG

NSEG is the No. 1 Solar Installer and a Top 5 Battery Installer for 2025

NSEG also won SunWiz 2025 Awards for Top 5 Battery Installers.

Green Energy

Green Energy Technologies is a Top 5 Solar Systems Installer for 2025

The installation of thousands of solar panels within a single year stands as a remarkable achievement for any solar company. 

Power Smart

Power Smart Solutions is Top 5 & 10 Solar Systems Installer for 2025

Power Smart Solutions also won SunWiz 2025 Awards for Top 10 Solar Systems Installer.

South Australia

NSEG

NSEG is the No. 1 Solar Installer and a Top 5 Battery Installer for 2025

NSEG also won SunWiz 2025 Awards for Top 5 Battery Installer for 2025

MLEC Solar

MLEC Solar is in the Top 5 SA Retailers for 2025

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

Power Smart

Power Smart Solutions is Top 5 & 10 Solar Systems Installer for 2025

Power Smart Solutions also won SunWiz 2025 Awards for Top 10 Solar Systems Installer.

Deionno Electrical

Deionno Electrical is a Top 5 Solar Installer and Best Rated Company for 2025

Deionno Electrical also won SunWiz 2025 Awards for Best Rated Company.

1KOMMA5°

1KOMMA5° is a No. 1 Solar Battery Installer, a Top 5 Solar Installer, and a Top 10 Commercial Solar Installer for 2025

1KOMMA5° also won SunWiz 2025 Awards for No. 1 Solar Battery Installer.

Tasmania

I Want Energy is a Top-Volume Solar Retailer, the No. 2 Solar Installer in Tasmania Overall, and the Local Solar Hero for 2025

I Want Energy also won SunWiz 2025 Awards for the the Local Solar Hero.

Integra Solar

Integra Solar is a Top 20 and No. 2 Solar Installer for 2025

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

Victoria

Advantage Solar is a Top Volume Solar Retailer, and Local Solar Hero For 2025

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.

Western Australia

Perth Solar Force is the #1 Residential Solar Power Retailer in Western Australia for 2024

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

KVA Power

KVA Power is a Top 20 Western Australian Residential Solar Installer for 2025

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

MLEC Solar

MLEC Solar is in the Top 10 WA Retailers for 2024

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

Solar Naturally

Solar Naturally is the Largest Solar Installer in WA for 2025

The installation of thousands of solar panels within a single year stands as a remarkable achievement for any solar company.

Perth Solar

Perth Solar Warehouse is a Top 10 Solar Installer, Top Volume Solar Retailer, Best Rated and Local Solar Hero for 2025

Perth Solar Warehouse also won SunWiz 2025 Awards for Top Volume Solar Retailer, Best Rated and Local Solar Hero.

Think Renewable

Think Renewable is in the Top 10 Companies in Australia for Residential Solar installations.
ThinkRenewable_MasterLogo_FullColour

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.

Solar Naturally

Solar Naturally is the Largest Solar Installer in WA for 2025

The installation of thousands of solar panels within a single year stands as a remarkable achievement for any solar company.

Top Solar Power

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