Investing in solar panels is a long term decision, one that should bring peace of mind, not future headaches. And that’s exactly why your solar panel warranty matters.
Warranties protect your solar investment by covering equipment issues, performance expectations, and installation work. But not all warranties are created equal.
In this guide, we’ll break down the three main types of solar warranties, explain what can void them, highlight brands with the strongest offers, and give you smart questions to ask before signing any contract.
The 3 Types of Solar Warranties Every Homeowner Should Understand
1. Product (or Equipment) Warranty
This covers defects in materials or manufacturing. If your solar panel malfunctions or stops working due to a fault, not damage, this warranty kicks in.
- Typical coverage: 10–25 years
- Covers: Delamination, broken glass (not from impact), defective wiring, etc.
2. Performance Warranty
Panels naturally degrade over time. This warranty guarantees a minimum level of energy production over a certain number of years.
- Typical guarantee: 90% production at year 10, 80–85% at year 25
- Covers: Unexpected dips in output that aren’t caused by external damage
3. Installation (or Workmanship) Warranty
Offered by the installer, this covers issues from poor workmanship or installation errors.
- Typical coverage: 1–10 years, depending on the installer
- Covers: Roof leaks at mount points, loose wiring, panel placement problems
What Can Void Your Solar Warranty?
Warranties only protect you when the system is used and maintained properly. Common actions that may void your warranty include:
- Unauthorized repairs or DIY maintenance
- Modifying the system without manufacturer or installer approval
- Physical damage from weather (beyond what’s covered) or accidents
- Failing to register the product with the manufacturer
- Not following regular maintenance or inspection recommendations
Keep all your receipts, documents, and proof of regular maintenance in case you need to file a warranty claim.
Top Solar Panel Brands and Their Warranty Offers
Not all solar panels are built or backed the same. Here’s how top-tier brands stack up:
Questions to Ask Before Signing a Solar Contract
Protect yourself by asking these key questions before agreeing to an installation:
- What are the warranty terms for the panels, inverters, and batteries?
- Is the installation covered separately? For how long?
- What happens if the installer goes out of business?
- Who handles warranty claims – you or the installer?
- Does the warranty transfer to a new owner if I sell my home?
A trustworthy installer like Lucent Energy would be transparent, walk you through warranty documents, and answer all of these questions confidently.
Conclusion: A Warranty is Only as Good as the Company Behind It
A solar warranty might seem like fine print, but it can save you thousands down the road. From faulty panels to poor installation, solid coverage ensures your solar journey stays stress free.
Be sure to compare brands, review installer reputations, and ask detailed questions before signing any agreement. That way, your solar investment is protected for the long haul.
Considering solar but unsure about warranties? Lucent Energy offers panels from top-tier manufacturers with some of the strongest warranties in the industry.