Important Update: LG discontinued its solar panel business in 2022, but existing warranties remain valid. This guide covers current warranty status and what homeowners need to know.
LG solar panels were once among the most trusted names in residential solar, backed by comprehensive warranty coverage that gave homeowners peace of mind. While LG exited the solar business in 2022, understanding your warranty rights and the current claim process remains crucial for existing LG panel owners.
This comprehensive guide covers everything you need to know about LG solar panel warranties in 2025, including coverage details, the claim process, and alternative solutions when replacement panels aren’t available.
LG Solar Panel Warranty Types Explained
LG offered one of the industry’s most comprehensive warranty packages, consisting of three distinct warranty types that provided extensive protection for homeowners:
Product Warranty (25 Years)
The LG solar panel product warranty covered defects in materials and workmanship for 25 years from the installation date. This warranty protected against:
- Manufacturing defects in solar cells or modules
- Frame corrosion or structural failures
- Junction box malfunctions
- Cable and connector defects
- Glass breakage due to manufacturing flaws
Performance Warranty (25 Years)
LG’s performance warranty guaranteed specific power output levels over 25 years:
- Year 1: Minimum 97% of rated power output
- Years 2-25: Maximum 0.3% annual degradation
- Year 25: Guaranteed minimum 90.8% of initial performance
This industry-leading degradation rate meant LG panels would maintain higher efficiency longer than many competitors offering only 80-85% performance guarantees at year 25.
Labor Warranty Coverage
Perhaps most uniquely, LG provided up to $450 in labor cost coverage for panel replacement or repair. This coverage included:
- Removal of defective panels
- Installation of replacement panels
- System recommissioning
- Electrical connection work
Note: Labor warranty required pre-approval and used LG-approved installers in most cases.
Current Warranty Status After LG’s Business Exit
In early 2022, LG announced its exit from the solar panel manufacturing business, creating uncertainty for existing customers. Here’s the current situation:
Official LG Statement on Warranty Obligations
LG has officially committed to honoring all existing warranty obligations for panels installed before the business closure. This means:
- All 25-year product and performance warranties remain valid
- Labor cost coverage continues as originally promised
- Warranty terms and conditions remain unchanged
Replacement Panel Availability Challenges
The most significant challenge facing LG panel owners is replacement panel availability. Since LG stopped manufacturing solar panels:
- New LG panels are no longer being produced
- Existing inventory is extremely limited
- Most warranty claims now result in alternative solutions
- Identical model replacements are rarely available
Timeline of LG’s Solar Business Changes
- Early 2022: LG announces exit from solar business
- Mid 2022: Manufacturing ceases
- Late 2022: Remaining inventory depleted
- 2023-2024: Focus shifts to alternative warranty solutions
- 2025: Cash settlements and compatible replacements become standard
How to File an LG Solar Panel Warranty Claim
Filing a warranty claim for LG solar panels follows a specific process, though it has evolved since the business closure:
Step-by-Step Claim Process
Step 1: Document the Issue
- Take detailed photos of any visible damage
- Record performance data showing output decline
- Note the date when issues were first observed
- Gather system monitoring data if available
Step 2: Gather Required Documentation
- Original purchase receipt or invoice
- Installation documentation
- Panel serial numbers and model information
- System performance data
- Professional inspection report (if applicable)
Step 3: Contact Your Installer First
Many installers handle warranty claims on behalf of customers. Contact your original installer to:
- Verify they can assist with the claim process
- Obtain any additional documentation they may have
- Understand their current relationship with LG warranty services
Step 4: Submit Claim to LG
If your installer cannot assist, contact LG directly through:
- LG Solar warranty hotline: 1-833-388-2121
- Online warranty portal (when available)
- Written correspondence to LG warranty department
Expected Response Times and Outcomes
Current warranty claim processing typically involves:
- Initial response: 5-10 business days
- Claim review: 2-4 weeks
- Resolution offer: 4-8 weeks total
- Settlement processing: Additional 2-4 weeks
Common LG Solar Panel Issues Covered Under Warranty
Understanding what issues qualify for warranty coverage helps homeowners identify when to file claims:
Performance-Related Issues
- Power output degradation exceeding 0.3% annually
- Significant performance drops not explained by environmental factors
- Hot spots causing localized heating and efficiency loss
- Cell cracking affecting electrical output
Physical Defects and Failures
- Frame corrosion or structural deterioration
- Glass cracking from manufacturing defects
- Backsheet delamination or deterioration
- Junction box failures or connection issues
- Bypass diode failures affecting panel operation
What’s NOT Covered Under Warranty
LG warranties exclude damage from:
- Extreme weather events (hail, lightning, hurricanes)
- Improper installation or maintenance
- Physical damage from external sources
- Normal wear and tear within acceptable limits
- Modifications or repairs by unauthorized personnel
Real Customer Experiences and Case Studies
Recent warranty claim experiences provide insight into current outcomes:
Case Study 1: Performance Degradation Claim (2024)
Situation: Homeowner in California noticed 15% power output decline after 8 years
Process: 6-week claim review with performance data analysis
Outcome: Cash settlement of $3,200 for 16-panel system
Timeline: 8 weeks from initial claim to payment
Case Study 2: Physical Defect Claim (2023)
Situation: Multiple panels showing frame corrosion after 5 years
Process: On-site inspection required, detailed photo documentation
Outcome: Compatible replacement panels from different manufacturer
Timeline: 12 weeks including installation
Customer Satisfaction and Resolution Rates
Based on available data from 2023-2024:
- Claim approval rate: Approximately 75-80%
- Cash settlement preference: 60% of approved claims
- Compatible replacement success: 25% of approved claims
- Customer satisfaction: Mixed, with concerns about settlement amounts
Alternative Solutions When Replacement Panels Aren’t Available
With LG panels no longer in production, warranty claims typically result in alternative solutions:
Cash Settlements and Compensation
How settlements are calculated:
- Current market value of equivalent panels
- Prorated amount based on remaining warranty period
- Installation and labor costs (up to $450 per panel)
- Performance loss compensation
Typical settlement ranges:
- Single panel replacement: $200-400
- Multiple panel claims: $150-350 per panel
- System-wide issues: $100-300 per panel (volume discount)
Compatible Panel Replacements
When available, LG may offer compatible panels from other manufacturers:
- Similar efficiency ratings to original LG panels
- Comparable physical dimensions for easy installation
- Matching electrical characteristics for system compatibility
- New manufacturer warranty for replacement panels
System Upgrade Opportunities
Some homeowners use warranty settlements to upgrade their systems:
- Purchase higher-efficiency modern panels
- Add battery storage systems
- Expand system capacity
- Upgrade inverters or monitoring equipment
Legal Rights and Consumer Protections
Homeowners have several protections:
- State lemon laws may apply to solar installations
- Consumer protection agencies can assist with disputes
- Small claims court options for unresolved claims
- Class action lawsuits have been filed in some states
Comparison with Other Solar Panel Warranties
Understanding how LG’s warranty compared to current industry standards:
Industry Standard Warranty Terms (2025)
| Manufacturer | Product Warranty | Performance Warranty | Labor Coverage |
|---|---|---|---|
| LG (Historical) | 25 years | 90.8% at 25 years | Up to $450 |
| SunPower | 25 years | 92% at 25 years | Included |
| Panasonic* | 25 years | 92% at 25 years | Limited |
| REC | 20 years | 92% at 25 years | None |
| Maxeon | 40 years | 88.3% at 40 years | Included |
*Note: Panasonic announced in April 2025 that it would discontinue its solar and battery storage offerings, though the company has committed to long-term warranty support for existing customers.
What to Look for in Current Solar Panel Warranties
When choosing new solar panels, prioritize:
- Company stability: Established manufacturers with strong financials
- Warranty length: Minimum 20-year product, 25-year performance
- Performance guarantees: 85%+ output at year 25
- Labor coverage: Included or substantial cost coverage
- Warranty transferability: For home sales
Regular solar panel maintenance and service is essential for maintaining warranty coverage and optimal performance. Many manufacturers require documented maintenance to honor warranty claims, making professional care a worthwhile investment.
Frequently Asked Questions
Are LG solar panel warranties still valid after the business closure?
Yes, LG has committed to honoring all existing warranty obligations for panels installed before the business closure in 2022. All 25-year product and performance warranties remain valid.
Can I still get replacement LG panels under warranty?
Replacement LG panels are extremely rare since manufacturing ceased in 2022. Most warranty claims now result in cash settlements or compatible panels from other manufacturers.
How much compensation can I expect for a warranty claim?
Cash settlements typically range from $150-400 per panel, depending on the issue, remaining warranty period, and current market values. Labor costs up to $450 may also be covered.
Do LG solar panel warranties transfer when selling my home?
Yes, LG solar panel warranties are transferable to new homeowners. Ensure warranty documentation is included in the home sale and notify LG of the ownership change.
What if LG denies my warranty claim?
If your claim is denied, you can:
- Request a detailed explanation of the denial
- Obtain an independent inspection
- Contact your state’s consumer protection agency
- Consider small claims court for disputed claims
How do I calculate prorated warranty coverage?
Prorated coverage is typically calculated as:
(Remaining warranty years ÷ Total warranty years) × Current replacement cost
For example, a panel with 15 years remaining on a 25-year warranty would receive 60% of current replacement value.
Can I upgrade my system instead of accepting a cash settlement?
While LG warranty settlements are typically fixed amounts, you can use the compensation toward system upgrades. Some homeowners combine settlements with additional investment to upgrade to newer, more efficient panels.
To maintain optimal performance and warranty coverage, consider scheduling regular professional solar panel cleaning services. Clean panels not only perform better but also help prevent issues that could void warranty coverage.
Contact Information and Support Resources
LG Solar Warranty Support
- Warranty Hotline: 1-833-388-2121
- Business Hours: Monday-Friday, 8 AM – 6 PM EST
- Email Support: Available through LG business portal
- Mailing Address: LG Electronics USA, Solar Warranty Department
Additional Resources
- Solar Energy Industries Association (SEIA): Consumer protection information
- North American Board of Certified Energy Practitioners (NABCEP): Certified installer directory
- Database of State Incentives for Renewables & Efficiency (DSIRE): State-specific solar information
- Better Business Bureau: Complaint filing and resolution assistance
Conclusion
While LG’s exit from the solar business created uncertainty, existing warranty obligations remain valid and enforceable. Understanding your rights, the current claim process, and available alternatives ensures you can maximize your warranty protection.
The key to successful warranty claims is thorough documentation, realistic expectations about replacement panel availability, and understanding that cash settlements or compatible replacements are now the norm. With proper preparation and knowledge of the process, LG panel owners can still receive fair compensation for warranty-covered issues.
As the solar industry continues evolving, the LG warranty situation serves as a reminder of the importance of choosing manufacturers with strong financial stability and comprehensive warranty protection for future solar investments.
Need Help with Your LG Solar Panel Warranty Claim?
Document your panel issues thoroughly and contact LG warranty support at 1-833-388-2121. Keep all original installation documentation and performance data readily available for the claims process.