For the second year running, Aiko Solar holds the top spot in residential solar panel efficiency rankings with the release of its third-generation NEOSTAR 3P54 series, launched in mid-2025.
Who makes the best solar panels?
Five brands stood out: Maxeon, VSUN, REC, Qcells, and Canadian Solar. What are the best solar panels? Based on our analysis, Maxeon offers the best solar panels, followed by VSUN, REC, Qcells, and Canadian Solar. Each scored well overall, but the best one for you depends on your home's specific needs.
The Hi-MO X10 Scientist currently holds top spot on our page tracking the most efficient solar panels. Its 24.8% efficiency allows it to take up less space than other, similarly powerful panels, with a 2.7m² size that's closer to what you'd expect from panels with 550W ratings.
What is solar panel efficiency?
Solar Panel Efficiency explained. Solar panel efficiency is the amount of sunlight (solar irradiance) that falls on the surface of a solar panel and is converted into electricity. Due to the many advances in photovoltaic technology over the last decade, the average panel conversion efficiency has increased from 15% to over 24%.
What are photovoltaic solar panels?
Photovoltaic solar panels are devices specifically designed for the generation of clean energy from sunlight. In general, photovoltaic panels are classified into three main categories: monocrystalline, polycrystalline and thin-film panels.
Which 450 watt solar panel has the highest power output?
Canadian Solar's TOPHiKu6 450-watt solar panel has the highest power output of the products on our list, which means it has the capacity to generate more electricity. While it's the least efficient of our top brands, it boasts impressive performance specifications with a 22% efficiency rating and -0.29%/°C temperature coefficient.
How do I choose a good solar panel?
You'll probably want a very powerful solar panel (unless you use very little electricity). Even light shading can reduce your solar panels' output by 50% or more. Look for solar panels with high power output and high efficiency.