Neon R – IBC Cells – generic Solar Cell Panel

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LG Solar Panels Review

Unfortunately, LG Solar has decided to exit the solar market and will cease manufacturing solar panels from mid-2022. This came as a huge shock to the solar industry as LG was regarded as one of the world’s leading manufacturers with a premium range of high-quality panels made using high-performance, long-lasting, N-type silicon cells. See the official LG company statement.

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Over the last two years, many competing manufacturers had started to close the gap in performance by increasing panel efficiency using new cell technology while at the same time reducing costs. It appears LG wasn’t able to offer more competitive pricing and the company claims it was no longer viable to manufacture higher-cost premium panels with the increasing raw material costs.

XINPUGUANG 100w Flexible Solar
generic 100W Solar Cell Panel
617W0 QFzoL. AC SL1000https://amzn.to/3flcaUH 715Ftj6yhOS. AC SL1500
Brand XINPUGUANG
Brand Generic
Material Monocrystalline Silicon
Material Monocrystalline silicon
Item Dimensions LxWxH 46.26 x 21.26 x 0.12 inches
Item Dimensions LxWxH 14.17 x 12.99 x 0.98 inches
Item Weight 2.2 Kilograms
Item Weight 490 Grams

LG Solar Panels Overview

With a long history in solar panel manufacturing, LG is considered an industry leader and has proven to produce some of the best performing and highest quality solar panels in the world. As opposed to most other manufacturers, LG uses higher-cost, premium N-type silicon cells on the popular Neon R, Neon 2, and the new Neon H panels which boost efficiency and increase lifespan by significantly reducing LID or light-induced degradation.

Neon R - IBC Cells

Company History

LG has a long history in solar photovoltaics beginning over 30 years ago when they first began research into silicon crystalline cells. The next 20 years of research and development laid a solid foundation before LG started large-scale PV module manufacturing in 2009 at their facility in Gumi, South Korea. LG Solar is a subsidiary of massive LG Corporation, the South Korean multinational company with over 220,000 employees globally and total revenue in the tens of billions.

After over a decade of PV module manufacturing, LG is now onto the 6th generation panels and produces over 2GW of panels per year. As a Tier 1 manufacturer holding numerous awards, ultra-efficient cell technology, and offering an industry-leading warranty, there are only a few solar companies that can compete at this level of quality, service, and reliability.

Generic 100W Solar Cell Panel

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In Australia and North America,  although more expensive than the competition, LG panels are very popular and highly rated by customers and solar installers alike as they not only look impressive with the high gloss black anodized aluminum frames, but the construction quality, detail, and finish are of the highest standard.

LG Panel And PV Cell Technology

While most manufacturers produce a range of monocrystalline panels based on the more common, lower cost, P-type silicon cells, LG primarily manufactures panels using monocrystalline N-type cells which have higher efficiency and much lower degradation over the life of the panel. However, to be more competitive, LG Energy recently introduced a cost-effective range of panels called ‘Mono X Plus’ built on the lower cost P-type monocrystalline cells.

The popular Neon 2 modules established LG as a leader in multi-wire cell technology with 12 round wire busbars and the unique finger design being incorporated into all Neon 2 and Neon 2 bifacial modules. The N-type ‘Cello’ cells look impressive and improve performance and conversion efficiency. Read more about cell technology in the PV cell technology review article.

Neon R - IBC Cells

LG solar panel efficiency

  • Mono X Plus efficiency – up to 19.8% at 370W
  • Neon H efficiency – up to 20.9% at 385W
  • Neon 2 efficiency – up to 21.4% at 370W
  • Neon R efficiency – up to 22.0% at 380W

Neon R – IBC Cells

LG, along with SunPower, are the two major manufacturers producing high-performance IBC or Interdigitated Back Contact N-type cells. The LG Neon R IBC cells use 30 busbars integrated into the rear side of the cell. This means there are no visible busbars on the front of the cell and in turn no cell shading. This unique design uses high purity N-type doped silicon and has extremely low light-induced degradation, lower electrical resistance, improved high-temperature performance, and enables the Neon R modules to achieve an impressive 22.0% efficiency at 380W.

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LG Residential Solar Panels

Neon H – 380W To 385W

New for 2021 – The latest release from LG is the Neon H range. These next-generation panels are essentially a more advanced version of the Mono X plus panel which also use the half-cut split cell design, but the Neon H is built on high-performance N-type cells as opposed to the lower cost P-type cells used by most other manufacturers. The Neon H, where the H stands for Half-size cells, is very similar in design to most modern solar panels available today but is backed by a 25-year product warranty and guaranteed to still achieve at least 90.6% of the rated output after 25-years of use thanks to the high-purity N-type cells which almost eliminate the effects of light-induced degradation or LID. Plus, LG’s strict quality control measures and the use of high-quality encapsulants and other components mean the panels could last well past 30 years.

Neon R - IBC Cells

Mono X Plus – 365W To 370W

To increase efficiency and performance, most of the solar industry shifted away from the traditional 60-cell panel layout to the now common half-cut 120-cell format. In a bid to be more competitive against the huge Chinese manufacturers, LG introduced the Mono X Plus range in mid-2020 available in 365W to 370W power ratings. These new panels use the more cost-effective P-type silicon cells and are made in China to the stringent LG quality standards. They specify roughly the same performance and efficiency levels of the 370W half-cut cell panels offered by the leading Chinese manufacturers Trina Solar, Jinko, and Longi solar, but offer an improved performance warranty of 87.9% retained power after 25 years. How LG is able to achieve a higher performance warranty is likely to do with the cell manufacture and strict quality control measures, including LID and LeTiD minimization.

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Neon 2 – 355W To 370W

The latest Neon 2 range of panels from LG, introduced in mid-2020, boosted the power rating from 355W to 370W by using larger size silicon wafers to cover more of the panel surface area and in turn, reduce the amount of exposed white back-sheet material resulting in higher efficiency.

All Neon 2 panels utilize high-grade N-type monocrystalline silicon cells built using the sophisticated multi-wire ‘Cello’ technology in a standard 60 cell format. With an impressive 25-year product warranty on top of the 25-year performance warranty, the Neon 2 range is some of the most efficient and best-performing panels available. Read more about Cello cells in our PV cell technology article.

Neon 2 - 355W To 370W

Neon R – 370W To 380W

The Neon R is the flagship of the LG range. With a maximum efficiency of 22.0%, the Neon R panels can generate up to 380W from a panel only slightly larger than a standard 60-cell panel. As explained above, this performance is due to the high-grade IBC N-type cells used. Naturally, the Neon R panels also come at a premium price, being around 45% more expensive than more common mono P-type panels. However, with the higher price comes ultra-high build quality, long life, improved low light performance, very high efficiency, and extremely low degradation over the life of the panel. Thanks to constant cell refinements and manufacturing improvements, the Neon R power has increased to 380W.

LG Commercial And Bifacial Modules

LG also manufactures a range of large format (72 cells) solar modules for large-scale commercial applications using the same advanced cello multi-wire technology, as well as dual-sided bifacial modules which can increase power output by up to an additional 27%. See more about bifacial technology here.

Full details and specifications

  • Mono X Plus – 450W 144cell
  • LG Neon H – 440W 144 cell
  • LG Neon 2 – 420W 72 cell

Panel Strength And Durability

LG has engineered extremely strong double-wall aluminum frames on all modules which are rated well above average with an impressive 5,400 Pa rating on the front side and 4000 Pa on the rear side for wind loading, this is close to double the industry standard 2400 Pa wind rating.

The Neon 2 modules underwent static load testing by SECAust Engineering consultants in Darwin Australia and were able to withstand an incredible 10,000 Pa load without failure, see report here. The extremely high strength and stiffness of the Neon 2 would allow the LG modules to be mounted in any high wind load regions around the world.

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The LG modules are rated to the highest level of corrosion resistance and can be installed in coastal locations with high levels of salt mist (maximum severity of 6), in addition to ammonia resistance.

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