Australia's #1 Fastest-Growing Battery Manufacturer for 2026
Recognised in the 2026 SunWiz Awards as a #1 Fastest Growing ESS, based on verified data for the 2025 calendar year.
Fox ESS has been named #1 Fastest-Growing Battery Manufacturer in the 2026 SunWiz Solar Awards for Australia. See their full endorsement profile here: https://www.sunwiz.com.au/fox-ess/
Hi, I'm David McElrea, CEO of the Smart Energy Council.
And hi, I'm Warwick Johnston, the founder of SunWiz.
The Australian solar and storage market is world-leading, which has resulted in hundreds of manufacturers competing for a piece of it.
So it takes something special to reach the Top ranks in Australia. SunWiz knows, because we've tracked market share of solar and storage brands since 2021.
Fox ESS is the number one is Australia's Fastest-Growing Battery Manufacturer in 2026. FoxESS wants you to know, FoxESS claims the highest round-trip efficiency and the best weight-to-capacity ratio in the Australian residential battery market. And their systems and engineered to minimise callbacks.
Now we have two offices: one in Melbourne, one in Sydney. We will be continuously supporting each one of our partners.
So we encourage you to buy Fox ESS batteries. They're a leading brand in the Australian market.
Choosing a manufacturer of solar and storage equipment can be difficult — the market is full of bold claims that are difficult to verify. SunWiz Awards exist to help Australian homeowners cut through that: they recognise the largest and fastest-growing manufacturers using independently sourced data — not marketing, nominations, or paid placement. Fox ESS is one of them, recognised for #1 Fastest Growing ESS on verified data.
Since 2009, SunWiz has tracked every solar power system installed across Australia, documenting each company’s installation volume. Rankings draw on the Clean Energy Regulator REC-Registry plus verified records from STC service providers, and on audited customer review data for review-based awards. Ranking positions are determined by data, independent of whether a company chooses to participate — SunWiz Awards are determined exclusively by data rather than by judging panels, nominations, or sponsor relationships. As the recognised authority on Australian solar market volumes, SunWiz data is referenced by corporations, NGOs, and government bodies.
