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Tongwei (TW) Solar

Affordable, high-efficiency Tongwei solar panels in UK stock now at Alternergy. All panels are MCS certified and ideal for residential, commercial, and large-scale energy projects.

High-Quality, Affordable Solar Panels – Ready for UK Installers


Looking for affordable solar panels in stock in the UK? Alternergy supplies MCS certified, Tier 1 Tongwei solar panels at wholesale prices, combining top-tier technology, proven reliability, and fast local availability.

Why Choose Tongwei Solar Panels?

Tongwei Solar (TW Solar) is a top 5 global PV manufacturer by shipment volume PV InfoLink (2024) , and the world’s largest supplier of solar cells. With full vertical integration, from polysilicon to solar modules, Tongwei delivers consistency, performance, and pricing that make it a trusted choice for UK trade professionals.

  • UK Stock Available - Fast nationwide delivery
  • Competitive Pricing - Ideal for budget-conscious installs
  • Versatile Applications (*) - Perfect for rooftops, farms (agrivoltaic projects), and large-scale commercial projects
  • TOPCon & Monocrystalline Modules - High efficiency, space-saving, high-output
  • MCS Certified - Meets all UK compliance standards
  • SEG Eligible - Supports Smart Export Guarantee schemes
  • 25-Year Product / 30-Year Performance Warranty
  • TÜV Certified - Global safety and performance assurance
  • Growing Global Brand - Trusted in utility-scale projects worldwide

Best Value Solar Panels for UK Installers


Tongwei panels are the smart choice for budget-sensitive solar projects. Whether you're installing a home PV system or supplying a multi-megawatt site, these panels offer a low cost per watt with excellent long-term performance.

  • Great ROI for residential and commercial installations
  • Perfect for large-scale and ground-mount solar projects
  • Efficient output for roofs with limited space or shading
  • Scalable for wholesale and multi-site procurement

Fully Compliant, Sustainable, and Bankable

  • MCS certification for all modules
  • Listed Tier 1 by BloombergNEF (Q1 2025) - Strong bankability
  • Fortune Global 500 company - trusted financials. The only dedicated solar manufacturer listed on the Fortune Global 500
  • RE100 member - committed to 100% renewable electricity
  • Supplier Code of Conduct – no corruption or unethical practices

UK Solar Panel Stock – Fast Delivery with Trade Support


As a trusted UK distributor, Alternergy stocks Tongwei panels locally and delivers to solar professionals across the country.

  • Wholesale volumes and competitive trade pricing are available now
  • Rapid UK-wide delivery from warehouse stock
  • Full documentation: MCS certificates, spec sheets, and datasheets
  • Backed by technical support from a UK PV distributor

Tongwei is a smart choice for UK solar projects

Please contact us for trade pricing and availability.

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[TWMNH-48HD-455] Tongwei Solar 455W TNC 1.0 N-Type Bifacial, Dual Glass, Black Frame 1216 In Stock
Tongwei Solar 455W TNC 1.0 N-Type Bifacial, Dual Glass, Black Frame
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Tongwei Solar | Alternergy

Tongwei Solar 455W TNC 1.0 N-Type TOPCon Dual Glass, Black Frame


The Tongwei Solar TWMNH-48HD bifacial double glass solar panels are an ideal solution for high-performance solar systems. The bifacial design and glass-to-glass technology deliver durability and efficiency, making it an excellent choice for both residential and commercial use. 
With the bifacial design, the back side of the panel can generate up to 5-25% more electricity depending on the reflected light, thus boosting energy production. 

KEY FEATURES:

  • Power Rating: 455 W
  • N-type, Double glass, Bifacial module, Black Frame 
  • Glass Thickness: 1.6 mm (front) / 1.6 mm (back)
  • Module efficiency: 22.8%
  • Watt/m² : 228
  • Cell orientation: 96 (6x16)
  • DC connector type: MC4 EVO 2
  • Maximum System Voltage: 1,500V
  • Excellent power temperature coefficient -0.3%/℃
  • Cable length: 1.2 m (landscape)
  • Warranty: 25-year product and 30-year performance from top Tier 1 manufacturer 
  • Certifications: IEC 61701 (Salt), IEC 62716 (Ammonia), IEC 60068-2-68 (Sand) ; IEC 61215, IEC 61730, IEC 62804(PID)

 

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[TWMNH-54HD-500] Tongwei Solar 500W N-Type Bifacial Dual Glass, Black Frame 18 In Stock
Tongwei Solar 500W N-Type Bifacial Dual Glass, Black Frame
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Tongwei Solar | Alternergy

Tongwei Solar 500W N-Type Bifacial Dual Glass, Black Frame


The Tongwei Solar TWMNH-54HD bifacial double glass solar panels are an ideal solution for high-performance solar systems. The bifacial design and glass-to-glass technology deliver durability and efficiency, making it an excellent choice for both residential and commercial use. 
With the bifacial design, the back side of the panel can generate up to 5-25% more electricity depending on the reflected light, thus boosting energy production. 

KEY FEATURES:

  • Power Rating: 500 W
  • N-type, Double glass, Bifacial module, Black Frame 
  • Glass Thickness: 2.0 mm (front) / 2.0 mm (back)
  • Module efficiency: 22.5%
  • Watt/m² : 225
  • Cell orientation: 108 (6x18)
  • DC connector type: MC4 EVO 2
  • Maximum System Voltage: 1,500V
  • Excellent power temperature coefficient -0.3%/℃
  • Cable length: 1.2 m (landscape)
  • Warranty: 25-year product and 30-year performance from top Tier 1 manufacturer 
  • Certifications: IEC 61701 (Salt), IEC 62716 (Ammonia), IEC 60068-2-68 (Sand) ; IEC 61215, IEC 61730, IEC 62804(PID)


Note: All Tongwei panels supplied by us include an extended 25-year materials warranty and 30-year power warranty. The manufacturer has issued a declaration letter confirming Alternergy’s warranty extension, and our datasheets reflect these terms. 

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