mid-range
LONGi Solar Panels
China
$1000-$1500
per kW installed
LONGi is the world's largest monocrystalline silicon producer and a top-3 panel manufacturer. Their Hi-MO series panels use proprietary HPBC cell technology for industry-leading efficiency. Known for investing heavily in R&D and manufacturing quality control. A strong mid-to-premium option.
22.3%
Efficiency
15yr / 25yr
Product / Performance
0.4%/yr
Degradation
HPBC
Cell Type
Available Models
LONGi Hi-MO 6 445W
HPBC Monocrystalline
445W
per panel
Efficiency: 22.3%
Degradation: 0.4%/yr
Weight: 21.8kg
Sizes: 5, 6.6, 8.8, 10, 13.3kW
LONGi Hi-MO 7 590W
HPBC Monocrystalline
590W
per panel
Efficiency: 22.8%
Degradation: 0.35%/yr
Weight: 29kg
Sizes: 6.6, 10, 13.3kW
Pros
- +World's largest mono-silicon producer (vertically integrated)
- +Industry-leading efficiency
- +15-year product warranty
- +Heavy R&D investment
- +Excellent degradation rate
Cons
- -Slightly more expensive than Jinko/Trina
- -Chinese-manufactured
- -Some installers prefer other brands for availability