How long do residential solar panels last? - PV Magazine [View all]

[Caribbeans]

Multiple factors affect the productive lifespan of a residential solar panel. In the first part of this series, we look at the solar panels themselves.

PV-magazine-usa.com | September 8, 2023 Ryan Kennedy

Residential solar panels are often sold with long-term loans or leases, with homeowners entering contracts of 20 years or more. But how long do panels last, and how resilient are they?

Panel life depends on several factors, including climate, module type, and the racking system used, among others. While there isn’t a specific “end date” for a panel per se, loss of production over time often forces equipment retirements.

When deciding whether to keep your panel running 20-30 years in the future, or to look for an upgrade at that time, monitoring output levels is the best way to make an informed decision.

Degradation

The loss of output over time, called degradation, typically lands at about 0.5% each year, according to the National Renewable Energy Laboratory (NREL)...more
https://pv-magazine-usa.com/2023/09/08/how-long-do-residential-solar-panels-last/



Probably won't make any difference to some, they will continue to say "solar panels are junk after 20 years!" LOL Over and Over and Over again. They must think that a lie repeated enough times = truth.