Aerial view of a Michigan home with rooftop solar panels surrounded by snow, capturing renewable energy in winter

Investing in solar panels is a long-term decision, and understanding warranties is essential to protecting that investment. Solar panel warranties ensure homeowners are safeguarded against potential issues, providing confidence that their system will perform as expected.

For Michigan homeowners, where weather conditions vary dramatically, warranties play an even more critical role in ensuring durability and reliability. This guide explains the types of warranties available, their importance, and how to make the most of them.


The Three Key Solar Panel Warranties

  1. Product Warranty
    • What It Covers: Protects against manufacturing defects, physical flaws, and material issues (e.g., glass cracking, corrosion, or frame damage).
    • Typical Duration: 10 to 25 years, depending on the brand.
    • Why It Matters: Ensures your panels remain structurally sound, even under Michigan’s heavy snowfall or temperature fluctuations.
  2. Performance Warranty
    • What It Covers: Guarantees that your solar panels will produce a specified percentage of their rated capacity over time.
    • Typical Duration: 25 years.
    • Example: A panel may guarantee 90% output for the first 10 years and 80% for the remaining 15 years.
    • Why It Matters: Provides reassurance that your system will deliver consistent energy production, even after decades of use.
  3. Installation (Workmanship) Warranty
    • What It Covers: Protects against errors related to the installation process, such as mounting issues, wiring faults, or roof leaks caused by improper setup.
    • Typical Duration: 1 to 10 years, depending on the installer.
    • Why It Matters: Ensures your solar system is installed correctly, minimizing the risk of long-term issues.

Why Warranties Are Essential in Michigan

Michigan’s Climate
With heavy snowfall, freezing winters, and warm summers, Michigan’s weather can test the durability of solar panels. Warranties help ensure that your system is protected against defects or failures resulting from extreme conditions.

Protecting Your Investment
Solar panels are a significant financial commitment, often costing $15,000 to $25,000 for residential systems. Warranties provide peace of mind that any defects or unexpected issues will not result in additional out-of-pocket expenses.


What to Look for in a Solar Warranty

  1. Comprehensive Coverage
    Ensure your warranty covers both equipment and performance, as well as installation. A well-rounded warranty provides full protection for your investment.
  2. Transferability
    If you sell your home, a transferable warranty adds value, allowing the new owner to benefit from remaining coverage. This can be a selling point for buyers.
  3. Reputable Providers
    Select panels and installation services from companies with strong reputations. Established manufacturers and local installers with proven track records are more likely to honor warranties over the long term.
  4. Specific Michigan Considerations
    Look for warranties that explicitly cover damage caused by snow loads, wind, and temperature fluctuations, common in Michigan.

Maximizing the Value of Your Warranty

  1. Choose High-Quality Panels
    Premium panels often come with longer and more comprehensive warranties. Monocrystalline panels, for instance, typically include robust coverage.
  2. Maintain Your System
    While solar panels are low maintenance, regular inspections can prevent minor issues from becoming major problems. Many warranties require adherence to maintenance guidelines.
  3. Keep Records
    Retain all documents, including warranty agreements, purchase receipts, and maintenance logs. These are essential if you need to file a claim.

What’s Covered—and What’s Not

Typically Covered

  • Manufacturing defects
  • Reduced energy output beyond performance guarantees
  • Installation errors

Common Exclusions

  • Damage caused by severe weather events (e.g., tornadoes, hailstorms)
  • Shading or dirt accumulation on panels
  • Unauthorized repairs or tampering

Understanding these exclusions ensures you maintain compliance with warranty terms.


Conclusion

Solar panel warranties are a crucial part of ensuring a successful and worry-free solar investment. For Michigan homeowners, where climate conditions can be challenging, these warranties provide protection against potential risks and ensure long-term system performance.

By selecting reputable products, following maintenance guidelines, and understanding your warranty coverage, you can confidently enjoy the financial and environmental benefits of solar energy for years to come.

Quote of the week

“The most sustainable energy source is right above us.”

~ Michigan Solar Partners