Note: The information contained in this periodical weblog may be outdated. This was my personal weblog published before January 1, 2015. Since then I have been the co-owner and Principal Solar Designer at Florida Solar Design Group.

SunPower Extends Photovoltaic Panel Warranty to 25 Years

SunPower Warranty provides 9.1% more power guarantee
SunPower’s Groundbreaking New Warranty

SunPower Corp. announced a groundbreaking warranty today at Solar Power International. SunPower’s Maxeon cell photovoltaic modules will now have a full 25 year power output AND product warranty, an industry first.

Highlights of the warranty:

  • Material defects & workmanship warranty increases from 10 years to 25 years.
  • Power output will be at least 95% of the minimum peak power rating for the first 5 years, and decline by no more that 0.4% per year for the following 20 years.
  • Limited warranty covers transportation costs (both ways), removal costs, and reinstallation costs.

The new warranty is backdated to July 1, 2012 for customers who recently had SunPower solar energy systems installed.

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