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AAP
AAP
Environment
Poppy Johnston

FORGOTTEN HISTORY: One in five solar panels degrading faster than expected - Caught on Camera

Mick Tsikas
Most solar systems are designed to last about 25 years with a gradual loss of efficiency. (Mick Tsikas/AAP PHOTOS)

Most solar panels gradually lose their energy-generating powers over time, but roughly a fifth have been found to degrade much more quickly than expected.

Tiny hairline cracks and other minor manufacturing flaws missed during quality control testing are thought to be in part to blame for the trend-defying declines for some solar panels.

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