Australia’s Highest-Efficiency Home Solar Panel Hits 24.3% With Aiko’s New Neostar 2P Generating 475 Watts

February 8, 2025
1 min read
Metal roof with numerous solar panels. Photo Source - Perth Solar Warehouse
Metal roof with numerous solar panels. Photo Source - Perth Solar Warehouse

A new solar panel is changing how much power Australian homes can generate from their roofs. Aiko’s latest Neostar 2P panel turns 24.3% of sunlight into electricity—the highest rate currently available for home solar panels in Australia.

“In Australia we tend to focus on smaller panels,” explains Thomas Bywater, who leads Aiko’s operations in Australia and New Zealand. His team improved the existing design to generate 475 watts of power after consistent improvements.

The panels fit standard roof spaces, measuring with dimensions of 1757x1134x30mm and weighing 21.5 kilograms. This compact design helps with installation while letting homeowners get more power without needing extra roof space.

The panels have a temperature coefficient of -0.26% per degree Celsius, which indicates how they perform in different temperatures—an important feature for Australia’s climate.


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Aiko stands behind their technology with a 25-year warranty. They guarantee the panels will maintain the efficiency of their original power after three decades of use. For homeowners, this means more reliable power generation over time.

The improvements are pushing other manufacturers to do better. Current market leaders like Longi and Canadian Solar offer panels that convert 23.3% of sunlight to electricity.  

Aiko isn’t stopping here. They’re working with the Australian Centre for Advanced Photovoltaics, investing $4 million to develop even better solar cells. Their goal is to reach 30% efficiency, meaning future panels could generate even more power from the same roof space.

The first shipments of these new panels are arriving through Solar Juice, Aiko’s Australian distributor. For homeowners with limited roof space, these higher-efficiency panels mean more power generation without needing more space.

This advancement matters because better solar panels help homes generate more of their own power. When panels work more efficiently, it means more electricity can be generated from the same roofspace—a practical benefit for Australian homes.

Sunita Somvanshi

With over two decades of dedicated service in the state environmental ministry, this seasoned professional has cultivated a discerning perspective on the intricate interplay between environmental considerations and diverse industries. Sunita is armed with a keen eye for pivotal details, her extensive experience uniquely positions her to offer insightful commentary on topics ranging from business sustainability and global trade's environmental impact to fostering partnerships, optimizing freight and transport for ecological efficiency, and delving into the realms of thermal management, logistics, carbon credits, and energy transition. Through her writing, she not only imparts valuable knowledge but also provides a nuanced understanding of how businesses can harmonize with environmental imperatives, making her a crucial voice in the discourse on sustainable practices and the future of industry.

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