Tongwei Solar Launches 500W Module in Australia

The new TNC 2.0 FULLX solar module aims to maximise energy production on limited roof space.

Updated on Oct. 30, 2026 in Energy

A sleek array of dark solar panels installed on a residential terracotta roof under bright Australian sunlight. — Tongwei Solar has introduced its new 500W TNC 2.0 FULLX solar module in Australia, aiming to boost energy output for homeowners with restricted roof space. AI Illustration. Upload story photo >

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Tongwei Solar has introduced a 500W version of its TNC 2.0 FULLX solar module to the Australian market. This high-efficiency design is intended to help homeowners generate more power from restricted or complex roof areas.

Why it matters

The product addresses the practical challenges of Australian homes with limited roof space or varied orientations by increasing per-watt energy output. Its ability to perform in low-light conditions provides a significant advantage for consistent power generation throughout the day.

The module reaches 25.02 percent efficiency and features dimensions of 1,762 by 1,134 by 30 millimetres. During field testing at the Yancheng Test Base, the technology demonstrated energy yield gains of 12.32 percent during low-light periods.

The players

Tongwei Solar

Tongwei Solar is a prominent global manufacturer of solar photovoltaic products and high-purity polysilicon.

The details

The TNC technology utilises a zero-cell-gap layout and concealed current-collection features to manage lower leakage current. Dual-glass construction combined with protective sealing ensures durability while allowing a 14-module system to reach 7 kilowatts of power, compared to 6.65 kilowatts for 475W modules.

Tongwei Solar introduced the new solar module configuration on 29 October 2026.

The Big Picture

This release follows the framework of the Small-scale Technology Certificates (STC) incentive scheme, which rewards higher energy efficiency in residential solar installations. The module design updates historical performance benchmarks for residential units by leveraging advanced cell-gap technology to increase total system wattage.

Homeowners installing a 14-module system could receive an estimated AUD 80 to 120 in additional upfront STC incentives compared to using lower-wattage alternatives. The compact dimensions allow for easier installation on roofs with challenging layouts or limited surface area.

The takeaway

Maximising energy yield per square metre is critical for Australian households aiming to lower electricity costs on small or shaded roofs. Prospective buyers should compare total system efficiency against the upfront incentive rebates to determine the best value for their specific installation.