China-headquartered Trinasolar has begun mass production for the Australian market of its rooftop solar Vertex S+ G3 515 W module.
Engineered for residential and commercial and industrial (C&I) rooftop installations, the Vertex S+ G3 delivers up to 515W output and 24.7% module efficiency within a standard rooftop module footprint of 1,842mm x 1,134mm.
The lightweight 1.6mm + 1.6mm dual glass module structure on black anodized aluminium frame is built on Trinasolar’s n-type i-TOPCon Ultra technology, with the zero-gap, high-density cell layout increasing efficiency while its low voltage design supports flexible string sizing.
Its dual-glass structure, low temperature coefficient of -0.26%/°C and mechanical load capacity of up to 5,400 Pa for snow and 4,000 Pa for wind, support long-term performance and durability in Australia’s harsh climates. The modules are backed by a 25-year product warranty and 30-year power warranty.
Trinasolar Asia Pacific Head of Australia Edison Zhou said in Australia, smaller lots, higher density housing and more complex roof designs are increasing the need for modules that can maximise energy generation from limited rooftop space, while remaining practical for installers to handle.
“The Vertex S+ G3 was specifically designed in response to these needs,” Zhou said.
Testing
Afield installation test was conducted in Melbourne and Adelaide to assess module handling, installation efficiency and string design in a real residential rooftop environment.
Rogue Electrical & Data Installer Trent Dorrington said the module offered a practical way to achieve higher rooftop output without the handling challenges often associated with larger-format panels.
“Panels rated above 500 W are usually considerably larger and hard to swing around on roofs,” Dorrington said.
“At under two metres high and only 30mm thick, the module was easier to handle than I initially expected. Fitting 515 W into a panel size comparable to a 475W module makes it a great product.
Dorrington said the ability to connect 18-20 panels on a string is significant.
“We can effectively halve the installation time and reduce our labour costs by avoiding the need to run as many cables onto the roof. The more efficient the installation, the more cost-effective the work is both for installer and customer.”
The Vertex S+ G3 515W module will be available to Australian residential and C&I installers through Trinasolar’s local distribution network, and is expected to arrive in July 2026.
Trinasolar operates a global annual module manufacturing capacity of 100 GW – 120 GW, shipping over 1 GW annually to Australia.
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