• SunPower® Commercial Solar Panel Warranty

    25-Year Industry Leading Warranty

SunPower offers the most comprehensive panel warranty in the solar industry.

Body: 

sunpower plug

Power

Highest power output protection in the solar industry: 92% in year 25.*

  • *. Jordan, Dirk “SunPower Test Report,” NREL, Q4-2014; Campeau, Z. et al. "SunPower Module Degradation Rate," SunPower white paper, Feb 2013
Body: 

panel product

Product

Coverage for defects related to workmanship and materials for 25 years.

Body: 

service - fix

Service

Hassle free repair, replacement or reimbursement for any defective panel.

shield

A better warranty starts with a better product

SunPower’s Complete Confidence Panel Warranty provides the industry’s only 25-year Power, Product and Service backing. We have absolute confidence in our panels’ ability to deliver more energy, reliability and savings over time.

Power Warranty Chart

Predictable results for SunPower customers

We offer the best-performing solar products, and stand behind them with the industry's strongest panel power warranty.* How do we do this? Comprehensive third-party studies have shown SunPower panels degrade more slowly than conventional solar.* That means SunPower panels provide long-term energy and savings—and a better warranty.

  • *. Jordan, Dirk “SunPower Test Report,” NREL, Q4-2014; Campeau, Z. et al. "SunPower Module Degradation Rate," SunPower white paper, Feb 2013
  • *. Jordan, Dirk “SunPower Test Report,” NREL, Apr 2015; Campeau, Z. et al. "SunPower Module Degradation Rate," SunPower white paper, 2013.
SunPower® Complete Confidence Panel Warranty
E-Series and X-Series		 Conventional Solar Panel Warranty*
✔ ✖
✔ ✖
✔ ✖
✔ ✖*
25 years 10 years
8% 19.3%
  • *. Representative of standard efficiency solar manufacturers. Competitor warranty information provided from latest warranty documentation from various conventional panel manufacturer websites as of June 2017.
  • *. Shipping of new panel covered by some conventional warranties.
  • *. 25-year coverage for all core components on the roof: solar panels, microinverters and racking system. 10-year product warranty term for monitoring hardware.

Power, product, and service, we’ve got you covered

SunPower Covers 100% of repair or replacement costs, while conventional solar warranties don’t.* Labor, shipping, parts – we’ve got you covered for 25 years.* Plus we guarantee that your panels won’t lose more than 8% of their original power output in 25 years. Compare that to 19% for conventional solar.

  • *. Representative of standard efficiency solar manufacturers such as Trina, YingLi and Canadian Solar. Competitor warranty information provided from latest warranty documents, as of 2017.
  • *. Shipping covered by some conventional warranties.

Resource Center