Division: NT
Volume Leaderboards

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Source: https://cer.gov.au/document/rec-registry-api-specifications
Australia’s Top Solar Retailers and Traders
Welcome to our Volume Leaderboard – your go-to source for tracking the top solar retailers and STC traders across Australia! Whether you’re a homeowner, business owner, installer, or industry professional, this page gives you a clear view of who’s leading the way in solar energy installations nationwide.
We’ve ranked the top 10 companies based on the total volume of solar panels installed, measured in kilowatts (kW) under the Small-scale Technology Certificates (STCs) program. This leaderboard highlights the businesses making the biggest impact on Australia’s clean energy future.
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How It Works
The leaderboard data is based on STC volumes, which track solar panel installations up to 100kW in size. To make it even easier for you to find relevant information, you can filter the results by different categories and regions:
Filter by Installation Size
- 0-100kW All STC: See the full leaderboard across all eligible system sizes.
- 0-15kW Residential: Focus on smaller, household solar system installations.
- 15-40kW Small Commercial: View leading companies for small business solar setups.
- 40-100kW Medium Commercial: See who’s installing larger commercial systems.
Each filter allows you to zero in on the sector you’re most interested in, whether you’re looking for residential solar leaders or major commercial installers.
Filter by State
You can also explore the top performers by state, with options to view rankings for:
- New South Wales (NSW)
- Queensland (QLD)
- Victoria (VIC)
- South Australia (SA)
- Western Australia (WA)
- Australian Capital Territory (ACT)
- Northern Territory (NT)
- Tasmania (TAS)
Simply select your state to see the local leaders making a difference in your area.
STC Traders
In addition to solar retailers, we also provide a leaderboard for STC traders — the companies facilitating the creation, sale, and management of STCs. Traders play a crucial role in the clean energy economy, helping system owners claim financial incentives and ensuring the smooth operation of the renewable energy certificate market.