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LONGi Solar Panels South Africa

Last updated: February 2026

The world's most valuable solar company. Premium mono-crystalline technology.

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LONGi is the world's largest manufacturer of mono-crystalline solar cells and the most valuable solar company globally. Founded in 2000, they pioneered the shift from poly to mono-crystalline technology. LONGi panels represent premium quality with cutting-edge efficiency.

Brand Overview

LONGi Green Energy is the world's most valuable solar company by market capitalization. They control the entire value chain from silicon ingots to finished panels. This vertical integration ensures quality control and competitive pricing for premium technology.

LONGi Green Energy is the world's most valuable solar company by market capitalization. They control the entire value chain from silicon ingots to finished panels. This vertical integration ensures quality control and competitive pricing for premium technology.

Product Range in South Africa

modelHi-MO 5 LR5-72HPH
capacity555W
typeMono PERC
priceR2,700 - R3,300
efficiency21.5%
modelHi-MO 6 LR5-72HTH
capacity580W
typeHPDC
priceR3,100 - R3,800
efficiency22.3%
modelHi-MO 7
capacity600W
typeHPBC
priceR3,800 - R4,800
efficiency23.0%

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Key Features & Technology

LONGi panel features:

  • Mono-crystalline technology leaders
  • Hi-MO technology platform
  • Industry-leading efficiency
  • Low degradation rates
  • Excellent quality control
  • Strong financial backing
  • HPBC back-contact cells (Hi-MO 7)
  • 25-year warranty

Warranty Information

LONGi provides a 25-year product and performance warranty. As the world's most valuable solar company, warranty backing is as strong as it gets in the industry.

LONGi provides a 25-year product and performance warranty. As the world's most valuable solar company, warranty backing is as strong as it gets in the industry.

Pros & Cons

Price Disclaimer: Prices shown were verified on . Prices may change without notice. We earn affiliate commissions on qualifying purchases.

All prices are in South African Rand (ZAR) unless otherwise stated. Shipping costs may apply depending on your location.

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LONGi Solar Panels FAQs

LONGi makes some of the best panels available. They're the technology and quality leader, though you pay a premium for this.
Quality solar panels last 25-30 years. After 25 years, they still produce 80-85% of original capacity. Tier-1 brands offer 25-year performance warranties.
550W panels are the current standard for residential systems. They offer the best balance of power, size, and value per watt.

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