
The efficiency of a Solar Panel is determined by the conversion rate of the sun rays hitting the Panel or individual cells into usable energy
3 of the most efficient solar panels in 2018
With the market flooded with hundreds of solar panels manufacturers, finding the most efficient solar panel could be a challenge.
SunPower
Based in Silicon Valley CA Australia, SunPower pride as the leading manufacturer and giant of solar panels to Homes, Business and Solar power plants. The company is 100% focused on the manufacture of solar panels. Solar Thermal Magazine states that SunPower regularly pops up when the most efficient solar panels are mentioned.
Sunpower Solar Panel Modules:
- SunPower® E-Series Panels (E20-E37) – 20.15%
- SunPower® X-Series Panels(x22-x 30) – 22.2%
- SunPower® P-Series (performance-series) – 19.2%

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LG Solar, a Subsidiary of the immense LG Corporation is based in Gumi South Korea; LG Energy started researching on Silicon Crystalline cells in 1988. The fruits of this long period of the Research and development team(s) were finally yielded in 2009 with the first Photo Voltaic module being manufactured.
Solar modules by LG Energy:
- Mono X, (Efficiency 18.3%)
- Neon 2, (Efficiency 19.6%)
- Neon R, (Efficiency 21.4%)
Panasonic Solar
Panasonic cooperation is a Japan-based company headquartered in Kadoma, Like LG, Panasonic is a household name whose main focus being automotive and appliances. The solar panels by Panasonic are Heterojunction technology HIT® which maximize electron loss. These solar panels have been listed among the most efficient solar panels in 2018. Panasonic HIT® solar modules have an efficiency of up to 19.1%
The Panasonic modules are:
- HIT+ Series,
- S-series
- AC Module

energysage (2018) compared efficiency in Top solar panels manufactures
| Solar Panel Brand | Module | Average Efficiency |
| SunPower | SunPower X Series | 22.7% |
| LG Energy | NeON R | 21.1% |
| Panasonic cooperation | HIT | 19.1% |
Solar Thermal Magazine. (n.d). sunpower solar panel efficiency. Retrieved from https://solarthermalmagazine.com/which-solar-energy-companies-lead-with-solar-panel-efficiency/
energysage. (2018).comparing top solar brands.[Top solar panels manufacturers]. Retrieved from https://news.energysage.com/comparing-top-solar-manufacturers-sunpower-vs-lg-panasonic-solarworld-suniva/