
Top Solar Panel Warranties
1. Panasonic
- Product Warranty: 25-year coverage for panels, inverters, racking, and monitoring
- Performance Warranty:
- 25-year linear guarantee
- Degradation rate as low as 0.25-0.5% annually
- 90.8% output guaranteed at 25 years
- Labor Coverage:
- 25 years for authorized installers
- Includes shipping costs
2. Maxeon
- Performance Warranty:
- Industry-leading 40-year coverage
- 0.25% annual degradation rate (lowest available)
- Labor Assistance:
- $250 labor credit for up to 5 modules
- $50/module thereafter
3. REC Group
- Performance Warranty:
- 25-year guarantee
- 92% output at 25 years (highest residual output)
- 0.25% annual degradation
- REC ProTrust:
- 25-year product warranty
- 10-year labor coverage through certified installers
4. Qcells
- Product Warranty:
- 25-year coverage
- Performance Warranty:
- 86% output at 25 years
- 0.5% annual degradation
- Labor Assistance:
- $250 credit for Q.PARTNER installations
Key Warranty Considerations
| Factor | Standard Coverage | Best-in-Class |
|---|---|---|
| Duration | 25 years | 40 years (Maxeon) |
| Degradation Rate | 0.5-0.7% annually | 0.25% (REC/Maxeon) |
| Residual Output | 80-86% at 25 years | 92% (REC) |
| Labor Coverage | 0-10 years | 25-40 years |
Specialized Options:
- Solar Insure: Third-party 30-year warranties covering labor, roof penetrations, and equipment
- Paradise Energy: Triple Ten Guarantee includes 10-year production guarantee and workmanship coverage
For comprehensive protection, Panasonic and REC Group currently lead in balanced coverage, while Maxeon offers unmatched duration for long-term investors. Always verify labor terms and ownership transfer policies.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/which-solar-panel-brand-offers-the-best-warranty-coverage/
