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Checking Three Old Solar Systems: How Long Do Panels Really Last?
Original: We Checked 3 Old Solar Systems - The Results Shocked Us! How Long Do Solar Panels Last?
UK solar firm Spirit Energy inspected three ageing solar installations to measure how much output panels lose over decades of use. The findings on real-world degradation and lifespan have drawn strong attention from homeowners weighing up whether solar is a sound long-term investment. The results add to ongoing debate about warranty claims versus actual panel performance after many years outdoors.
Why now: Homeowners considering solar want independent evidence on how panels perform after decades, beyond manufacturers' promises.
Evidence
- We Checked 3 Old Solar Systems - The Results Shocked Us! How Long Do Solar Panels Last? · Spirit Energy · 126.5K
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