How long does a solar panel last?
Typical lifespan
25–40 yr
A framed sheet of silicon cells under glass that converts sunlight into direct current.
Manufacturers warrant about 80-85% of original output at 25 years.
How that compares
Solar panel against things of a similar time.
Solar panel 25–40 yr
Komodo dragon 25–35 yr
Toilet 20–50 yr
Great hammerhead 20–44 yr
Three-toed sloth 20–40 yr
Front door 20–60 yr
Shortfin mako shark 28–32 yr
Harpy eagle 25–35 yr
What that means over time
| Period | How many you would buy |
|---|---|
| Per year | 0.0333 replacements |
| Over 10 years | 1 of them |
| Over a 30-year mortgage | 1 of them |
Lifespans are medians under ordinary use, not guarantees. Maintenance, how hard it is used, and build quality move individual examples a long way in both directions — which is why the range above is as wide as it is.
More about a solar panel
- How much does a solar panel weigh? 17–33 kg
- How much does a solar panel cost? 110–450 $
- Solar panel vs Window Side by side
- Solar panel vs Sheet of plywood Side by side
- Solar panel vs Concrete block Side by side
- Solar panel vs Sheet of drywall Side by side
- Solar panel vs Television Side by side
Common questions
- How long does a solar panel last?
- A solar panel lasts 25–40 yr. Manufacturers warrant about 80-85% of original output at 25 years.
Related pages
- How much does a solar panel weigh? 17–33 kg
- How much does a solar panel cost? 110–450 $
- How long does a front door last? 20–60 yr
- How long does a elevator last? 20–40 yr
- How long does a garage door last? 15–30 yr
- How long does a window last? 15–40 yr
- How long does a escalator last? 20–40 yr
- Solar panel vs Window Side by side
- Solar panel vs Sheet of plywood Side by side
- Solar panel vs Concrete block Side by side
- Solar panel vs Sheet of drywall Side by side
- Solar panel vs Television Side by side
Sources
- Typical range compiled from manufacturer specifications — At One Place