Understanding the Difference: Tier1 vs Tier2 Solar Panels

Choosing the right solar panels for your installation can be a daunting task, especially with the myriad of options available in the market. One of the key factors to consider is the tier ranking of solar panels. This blog aims to demystify the differences between Tier1 vs Tier2 solar panels, helping you make an informed decision.

What are Tier 1 Solar Panels?

Tier 1 solar panels are produced by manufacturers that have a proven track record of producing high-quality, reliable products. These manufacturers typically have large-scale production facilities, invest heavily in research and development, and have been in the industry for several years. The criteria for Tier 1 classification are stringent and are usually defined by independent research organizations.

What are Tier 2 Solar Panels?

Tier 2 solar panels are made by manufacturers that might not have the same level of experience or scale as Tier 1 manufacturers. These companies are often smaller, newer, or might not invest as much in research and development. While Tier 2 panels can still be of good quality, they might not offer the same level of reliability or long-term performance as Tier 1 panels.

Key Differences: A Comparative Table

FeatureTier 1 Solar PanelsTier 2 Solar Panels
Manufacturer ScaleLarge-scale productionSmaller-scale production
ExperienceEstablished companies with many years in businessNewer or less experienced companies
Research & DevelopmentHigh investment in R&DModerate to low investment in R&D
WarrantyTypically longer warranty periods (25 years)Shorter warranty periods (10-15 years)
PerformanceConsistent and reliable long-term performanceVariable performance; might degrade faster
AvailabilityWidely available and used in large projectsLess widely available; more niche markets
PriceGenerally higher due to quality and reliabilityGenerally lower, making them more affordable
BankabilityOften backed by large financial institutionsLess likely to have strong financial backing


Why Choose Tier 1 Solar Panels?

  1. Reliability: Tier 1 panels are known for their reliability and consistent performance.
  2. Warranty: Longer warranty periods provide peace of mind.
  3. Investment: Higher initial cost but better long-term savings due to higher efficiency and durability.
  4. Reputation: Manufactured by companies with a strong industry reputation.

Why Consider Tier 2 Solar Panels?

  1. Affordability: Lower initial cost can make solar more accessible.
  2. Adequate Performance: Suitable for smaller or less critical installations.
  3. Flexibility: Sometimes, Tier 2 manufacturers offer more customization options.


Both Tier1 vs Tier2 solar panels have their own advantages and can be suitable depending on your specific needs and budget. If reliability, longevity, and overall performance are critical for your project, investing in Tier 1 panels might be the best choice. However, if you are working with a tighter budget and your project can accommodate a bit more risk, Tier 2 panels can still offer good value.

At ProSolar Global, we offer a wide range of both Tier 1 and Tier 2 solar panels to meet your specific needs. Our experts are here to help you choose the best option for your solar installation.

Ready to make the switch to solar? Contact Prosolar Global today at 1300 181 191 for a free consultation and quote! Let us help you harness the power of the sun with the best solar solutions tailored for you.


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