The latest report from energy industry data analyst SunWiz shows 311.8 MW of small-scale solar (0-100 kW) was registered across Australia in September 2026, a 7.29% increase on the 290 MW installed during the previous month.
The September tally is one of the highest monthly totals of the year, eclipsed only by the 505 MW registered in April 2026 and the 320 MW installed in July. The September 2026 total is well clear of the approximately 240 MW registered in the same month last year.
SunWiz Managing Director Warwick Johnston said the market continues to benefit from the federal government’s Cheaper Home Batteries Scheme, that requires residential batteries to be installed alongside new or existing solar systems to qualify for the rebate.
“Courtesy of the battery rebate driving PV installations, there is now more sub-100 kW PV installed in 2026 year-to-date than in the entirety of 2025,” he said, noting that the January-September tally is 43% ahead of the same point in 2025.
Johnston said five of the eight states and territories had increased installations last month with Queensland leading the way with 91.8 MW of new solar registered, a 14% increase on the August 2026 tally. New South Wales (NSW) added 90.1 MW, an 11% increase on the previous month.
The 10-15 kW bracket “remains the clear backbone of the market,” said Johnston, with 105.94 MW added in September, a 13% increase on the previous month and more than double the 6-8 kW band which was next-largest with 53.04 MW, and well ahead of the 15-20 kW bracket (43.41 MW).
The national average system size edged up to 9.98 kW from August’s 9.86 kW, well clear of May’s 12-month low of 9.35 kW but still well below December’s high of 12.07 kW.
Home batteries installations reached an estimated 966.5 MWh in September 2026, up 12.5% on the 859 MWh registered in August and the strongest month since April’s 3,262 MWh peak.
“The battery market has stabilised near to 1 GW a month, Johnston said, adding that the average battery size continues to grow, with 45% of the market now exceeding 30 kWh.
The 20-30 kWh bracket remains the largest segment with 368 MWh of capacity registered last month, a 13% increase on the previous month, while the 40-50 kWh band delivered 250 MWh and 30-40 kWh 190 MWh.
The installation of smaller batteries slowed with the 10-20 kWh bracket easing 2% to 148 MWh and 0-10 kWh band dropping 13% to 11 MWh. The national average system size rose to 26.30 kWh, its fourth consecutive gain.
This content is protected by copyright and may not be reused. If you want to cooperate with us and would like to reuse some of our content, please contact: [email protected].
This content is protected by copyright and may not be reused. If you want to cooperate with us and would like to reuse some of our content, please contact: [email protected].
Comments
Please login to comment
The new issue of pv magazine Global is out now!
Available in print and digital – get your copy today!
Thursday, October 8, 2026
11:30 am – 12:30 am CEST, Berlin, Paris, Madrid
Monday, October 12, 2026
10:00 am – 11:00 am CEST, Berlin, Paris, Madrid
pv magazine USA hosts its multi-day virtual event on U.S. solar and energy storage, covering domestic manufacturing, distributed energy and the growing role of solar-plus-storage in meeting AI-driven power demand.
pv magazine hosts its four-day virtual event on European solar and energy storage, exploring market opportunities, solar-plus-storage business cases, technical quality, and cybersecurity in the years ahead.
pv magazine Session returns to NetZero Milan as Knowledge Partner, organizing and moderating a two-hour conference on the evolving global solar supply chain.
Get your ticket at a discounted rate with pv magazine.
Join pv magazine for an expert session exploring quality, technology and the challenges of scaling India’s solar industry.
Lunes, 19 de octubre de 2026
16:00 – 17:00 CEST, Berlín, París, Madrid
Friday, October 23, 2026
11:00 am – 12:00 pm CEST, Berlin, Paris, Madrid
Monday, October 26, 2026
10:30 am – 11:30 am CEST, Berlin, Paris, Madrid
You have no items in your basket.
