The SUNPOWER® Complete Confidence Warranty is the only home solar warranty to cover your whole system (not just the panels) + any replacement costs, so you never have to wonder which company you can depend on.*
The highest DC power output protection in the solar industry: 92% DC power in year 25.*
Coverage for defects related to workmanship and materials for 25 years.
Hassle-free replacement, repair or reimbursement for any defective panel.*
The SUNPOWER® Complete Confidence Warranty is the only home solar warranty to cover your whole system.
Will the solar company you choose outlast its warranty? SUNPOWER is here to stay. Established in 1985, SUNPOWER has been in business for almost 35 years, one of the longest of all competitors.
Since 2011 their technology has been tested in gale force winds and sub-zero conditions in Scotland, 35 degree heat in London and sea spray in Cornwall.